Bhagya

Balbharati Maharashtra State Board Class 11 Information Technology Important Questions Chapter 3 Impressive Web Designing Important Questions and Answers.

Maharashtra State Board 11th Information Technology Important Questions Chapter 3 Impressive Web Designing

1. Fill in the Blanks.

Question 1.
___________ resources have become a part of our day to day life.
Answer:
Online

Question 2.
The ___________ is a powerful media to transmit information.
Answer:
Internet

Question 3.
The pages of information displayed on the internet are referred to as ___________
Answer:
Web Pages

Question 4.
The standards and formats for presenting text and graphics on the internet are developed and approved by ___________ governing authorities.
Answer:
World Wide Web

Question 5.
The growing demand for attractive presentation of information using electronic means gave rise to the invention of ___________
Answer:
Websites

Question 6.
WWW stands for ___________
Answer:
World Wide Web

Question 7.
WWW stands for world wide web normally referred to as ___________
Answer:
Web

Question 8.
___________ is a simple text file created using HTML.
Answer:
Webpage

Question 9.
___________ is a collection of interlinked web pages containing text, images, audio and videos.
Answer:
Website

Question 10.
A ___________ is a software used to view web pages or websites available on the internet.
Answer:
Web browser

Question 11.
A ___________ is an application or a computer that sends webpages over the internet using the HTTP protocol.
Answer:
Web Server I

Question 12.
The functionality of website is managed by ___________
Answer:
Webserver

Question 13.
Full form of URL is ___________
Answer:
Uniform Resource Locator

Question 14.
___________ is an address of a web page on the internet.
Answer:
Uniform Resource Locator

Question 15.
The web pages are retrieved from the original location with the help of ___________
Answer:
Uniform Resource Locator

Question 16.
Full form of HTTP is ___________
Answer:
HyperText Transfer Protocol

Question 17.
___________ is a protocol used by WWW for client server communication.
Answer:
Hyper Text Transfer Protocol

Question 18.
Full for of HTML is ___________
Answer:
Hyper Text Markup Language

Question 19.
___________ enables to write code for a webpage.
Answer:
HyperText Markup Language

Question 20.
All the webpages in a website are linked with one another, with the help of ___________ links.
Answer:
Hypertext

Question 21.
___________ is a standard language for developing and creating interactive websites, introduced by Tim Berners Lee.
Answer:
HyperText Markup Language

Question 22.
___________ documents are created in any text editor for and can be run(executed) on any computer that has a web browser.
Answer:
HyperText Markup Language

Question 23.
___________ is compatible with most of the web browsers.
Answer:
Hyper Text Markup Language

Question 24.
___________ Tags are also called paired tags.
Answer:
Container

Question 25.
___________ Tags have a beginning tag and an end tag.
Answer:
Container

Question 26.
___________ Tags are standalone tags and do not have an end tag.
Answer:
Empty

Question 27.
___________ defines a header for a document or a section.
Answer:
<header>

Question 28.
___________ defines a container for navigation links.
Answer:
<nav>

Question 29.
___________ defines a section in a document.
Answer:
<section>

Question 30.
___________ defines an independent self-contained article.
Answer:
<article>

Question 31.
___________ defines content apart from the content (like a sidebar).
Answer:
<aside>

Question 32.
___________ defines a footer for a document or a section.
Answer:
<footer>

Question 33.
___________ defines additional details.
Answer:
<details>

Question 34.
_________ formatting is used to make a document look attractive thereby enhancing its appearance.
Answer:
Text

Question 35.
_________ displays text within it in Bold like Hello.
Answer:
<b>

Question 36.
_________ displays text within it in italicized manner like Hello.
Answer:
<i>

Question 37.
_________ displays text with underline like Hello.
Answer:
<u>

Question 38.
_________ displays text in small font size.
Answer:
<small>

Question 39.
_________ displays text in subscript form.
Answer:
<sub>

Question 40.
___________ displays text in superscript form.
Answer:
<sup>

Question 41.
The HTML ___________ element defines marked or highlighted text.
Answer:
<mark>

Question 42.
HTML provides ___________ levels of heading tags.
Answer:
Six

Question 43.
The ___________ tag displays text in bold and with largest heading level.
Answer:
<H1>

Question 44.
The ___________ tag displays text in the smallest heading level.
Answer:
<H6>

Question 45.
___________ tag is used to insert an image within a webpage.
Answer:
<IMG>

Question 46.
___________ is used to specify the path of an image file.
Answer:
src

Question 47.
___________ specifies height of the image in pixels.
Answer:
Height

Question 48.
___________ specifies width of the image in pixels.
Answer:
Width

Question 49.
___________ is referred as alternate text.
Answer:
Alt

Question 50.
___________ is a empty tag.
Answer:
<IMG>

Question 51.
___________ tag is used to display horizontal ruled line.
Answer:
<hr>

Question 52.
___________ sets color for the horizontal ruled line.
Answer:
color

Question 53.
___________ specifies the length of the ruled line in % or pixels.
Answer:
width

Question 54.
___________ sets thickness of a ruled line.
Answer:
size

Question 55.
___________ tag is used to define paragraphs.
Answer:
<P>

Question 56.
A ___________ is made up of rows and columns.
Answer:
Table

Question 57.
___________ is used to indicate creation of a table.
Answer:
<table>

Question 58.
___________ is used to specify a table heading.
Answer:
<caption>

Question 59.
___________ tag is used to create each row of the table.
Answer:
<tr>

Question 60.
___________ indicates table heading.
Answer:
<th>

Question 61.
___________ specifies data within the table (cell content).
Answer:
<td>

Question 62.
___________ attribute is required to display a border for the entire table.
Answer:
border

Question 63.
___________ displays border in a specific color.
Answer:
bordercolor

Question 64.
___________ the table either to the left, right or center.
Answer:
aligns

Question 65.
___________ sets the background color for the table.
Answer:
bgcolor

Question 66.
___________ are used to connect one document with another document.
Answer:
Hyperlinks

Question 67.
In HTML, Links are created by using ___________ tag.
Answer:
<a>

Question 68.
A ___________ by default appears blue in colour with an underline.
Answer:
Hyperlink

Question 69.
An ___________ link is underlined and purple.
Answer:
Visited

Question 70.
A ___________ link is underlined and blue.
Answer:
Active

Question 71.
___________ in HTML is used to accept user input.
Answer:
Forms

Question 72.
A ___________ is a collection of different elements also called as controls.
Answer:
Form

Question 73.
___________ attributes specifies a name to a form.
Answer:
Name

Question 74.
The ___________ attribute specifies the path where the form is to be submitted.
Answer:
Action

Question 75.
The ___________ attribute specifies the get or post method to be used when submitting the form data.
Answer:
Method

Question 76.
The default method of submitting form data is ___________
Answer:
GET

Question 77.
The data submitted by using ___________ is visible in the address bar.
Answer:
GET

Question 78.
The ___________ method of sending data does not display the form data in the address bar.
Answer:
POST

Question 79.
<Input type = “text”> creates a one line ___________
Answer:
Textbox

Question 80.
<Input type = “radio”> creates a ___________ button.
Answer:
Radio

Question 81.
The ___________ button allows one option selection against multiple choices.
Answer:
Radio

Question 82.
<Input type = “checkbox”> creates a ___________
Answer:
Checkbox

Question 83.
___________ allows more than one selection against multiple choices.
Answer:
Checkbox

Question 84.
<Input type = “submit”> displays a button for ___________ the form data to a server.
Answer:
Submitting

Question 85.
The ___________ type is used to create text contents in the form of ‘ * ‘ asterik or ‘ . ‘ disc.
Answer:
Password

Question 86.
The ___________ control clears the text content entered in the form.
Answer:
Reset

Question 87.
<Input type =”____________”> displays push button which activates on events.
Answer:
Button

Question 88.
_________ describes, the name of the control like text radio.
Answer:
Type

Question 89.
The ___________ attribute is a user defined value.
Answer:
Name

Question 90.
The ___________ attribute is used with text and password type.
Answer:
Max length

Question 91.
___________ specifies the maximum number of characters that can be entered in a text or password box.
Answer:
Max length

Question 92.
The ___________ attribute can be used with text and password type.
Answer:
Size

Question 93.
___________ specifies the width of the text box.
Answer:
Size

Question 94.
The ___________ attribute specifies the default selection for options in a checkbox or radio button.
Answer:
Checked

Question 95.
The ___________ attribute can be used with text, checkbox, radio, submit or reset.
Answer:
Value

Question 96.
The ___________ tag is used to create a textbox with multiple lines.
Answer:
<textarea>

Question 97.
___________ is used to specify name for the text area.
Answer:
Name

Question 98.
___________ specifies the number of lines in a text area.
Answer:
Rows

Question 99.
___________ specifies the width of a text area.
Answer:
Cols

Question 100.
___________ specifies the maximum number of characters allowed in the textarea.
Answer:
Max length

Question 101.
___________ specifies a short hint that describes the expected value of a textarea.
Answer:
Placeholder

Question 102.
___________ specifies that textarea must be filled out. i.e. It can not be blank.
Answer:
Required

Question 103.
___________ tag is used to create drop-down list.
Answer:
<select>

Question 104.
___________ assigns name to the control.
Answer:
Name

Question 105.
___________ allows the user to select more than one value.
Answer:
Multiple

Question 106.
The ___________ attribute is used to specify the number of visible values.
Answer:
Size

Question 107.
To define preselected option, ‘___________’ attribute is added to the <option>.
Answer:
Selected

Question 108.
___________ assigns value to the option specified in the dropdown list.
Answer:
Value

Question 109.
___________ was initially created to make webpages alive.
Answer:
JavaScript

Question 110.
A ___________ is a list of commands that are executed by a scripting engine.
Answer:
Script

Question 111.
___________ are used to generate dynamic Web pages on the Web.
Answer:
Scripts

Question 112.
___________ can be use for client side or server side scripting language.
Answer:
JavaScript

Question 113.
___________ code can be inserted in HTML program between <script> and </script> tag.
Answer:
JavaScript

Question 114.
___________ attribute is used to set scripting language.
Answer:
Language

Question 115.
The ___________ is a basic unit of storage in a JavaScript program.
Answer:
Variable

Question 116.
___________ name may consist of alphabets, digits and underscore and dollar character with following rules.
Answer:
Variable

Question 117.
Standard keywords are not allowed as ___________ name.
Answer:
Variable

Question 118.
___________ name can be limited up to 255 characters.
Answer:
Variable

Question 119.
___________ name in javascript is declared with keyword ‘var’.
Answer:
Variable

Question 120.
_____________ provides data types to store and use different types of values.
Answer:
JavaScript

Question 121.
Numerical value specially belongs to the ‘___________’ data type.
Answer:
Number

Question 122.
___________ data type can hold positive as well as negative values.
Answer:
Number

Question 123.
___________ are used for storing text.
Answer:
Strings

Question 124.
___________ type represents only two values ‘true’ and ‘false’.
Answer:
Boolean

Question 125.
JavaScript returns ‘___________’ when variable which is declared but not assigned.
Answer:
Undefined

Question 126.
___________ are used to do arithmetic and logical operations.
Answer:
Operators

Question 127.
Operators that require one operand is called as ___________ operator.
Answer:
Unary

Question 128.
Operators that require two operands are called as ___________ operator.
Answer:
Binary

Question 129.
___________ operators are used in mathematical expressions.
Answer:
Arithmetic

Question 130.
It is important to know that ___________ operator is not ‘equal to’ operator.
Answer:
Assignment

Question 131.
___________ operator is used to assign value of an expression to a variable.
Answer:
Assignment

Question 132.
___________ operators are used to check conditions or comparison of operands.
Answer:
Relational

Question 133.
___________ operators are used to verifying more than one condition at a time or to negate the condition.
Answer:
Logical

Question 134.
___________ (++) operator in JavaScript is used to increment value of variable by one.
Answer:
Increment

Question 135.
___________ operator in JavaScript is used to decrement value of variable by one.
Answer:
Decrement

Question 136.
___________ are non-executable statements in program.
Answer:
Comments

Question 137.
___________ are used to provide information or explanation about your programming construct.
Answer:
Comments

Question 138.
Statements added in ___________ are ignored by JavaScript.
Answer:
Comments

Question 139.
___________ is used to perform repetitive tasks whenever required.
Answer:
Function

Question 140.
___________ is reusable code block that will be executed when it is called.
Answer:
Function

Question 141.
___________ function is used to parse a string and convert it into a number.
Answer:
parseInt()

Question 142.
___________ function is used to parse a string and convert it into floating point representation.
Answer:
parseFloat()

Question 143.
___________ function displays alert popup box with ok button. This is also called as a message box.
Answer:
alert()

Question 144.
___________ function is used when you want input value from user at the time of program execution.
Answer:
prompt()

Question 145.
___________ function displays confirmation message box with ok and cancel button.
Answer:
confirm()

Question 146.
___________ string function used to convert the given string into lower case alphabets.
Answer:
toLowerCase()

Question 147.
___________ string function is used to convert given string into uppercase alphabets.
Answer:
toUpperCase()

Question 148.
___________ returns ‘true’ if given value is not a number. It returns ‘false’ if given value is number.
Answer:
isNaN()

Question 149.
A ___________ in any scripting and programming language is a small part of a program that we require again and again.
Answer:
Function

Question 150.
A ___________ is a subprogram designed to perform a particular task.
Answer:
Function

Question 151.
___________ can be called either by an event or by giving call to that function.
Answer:
Functions

Question 152.
___________ is an event-driven language.
Answer:
JavaScript

Question 153.
___________ is an action done bv the user or an application.
Answer:
Event

Question 154.
___________ lets you execute a code when events are detected.
Answer:
JavaScript

Question 155.
___________ when user moves the mouse away from an element.
Answer:
onMouseOut

Question 156.
___________ when user clicks an element.
Answer:
onClick

Question 157.
___________ when user moves the mouse over an element.
Answer:
onMouseOver

Question 158.
___________ when user releases a mouse button over an element.
Answer:
onMouseUp

2. True or False.

Question 1.
Online resources have become a part of our day-to-day life.
Answer:
True

Question 2.
The Internet is a powerful medium to transmit information.
Answer:
True

Question 3.
The pages of the information displayed on the internet are referred to as the worldwide web.
Answer:
False

Question 4.
The standards and formats for presenting text and graphics on the internet are developed and approved by Webpages governing authorities.
Answer:
False

Question 5.
The growing demand for attractive presentation of information using electronic means gave rise to the invention of Websites.
Answer:
True

Question 6.
WWW stands for world wide web.
Answer:
True

Question 7.
WWW stands for world wide web normally referred to as Webpage.
Answer:
False

Question 8.
The web is a simple text file created using HTML.
Answer:
False

Question 9.
A website is a collection of interlinked web pages containing text, images, audio, and videos.
Answer:
True

Question 10.
A web browser is software used to view web pages or websites available on the internet.
Answer:
True

Question 11.
A Web server is an application or a computer that sends webpages over the internet using the HTTP protocol.
Answer:
True

Question 12.
The functionality of the website is managed by Uniform Resource Locator.
Answer:
False

Question 13.
The full form of URL is Uniform Resource Locator.
Answer:
True

Question 14.
Uniform Resource Locator is an address of a web page on the internet.
Answer:
True

Question 15.
The web pages are retrieved from the original location with the help of Uniform Resource Locator.
Answer:
True

Question 16.
The full form of HTTP is HyperText Transfer Protocol.
Answer:
True

Question 17.
Uniform Resource Locator is a protocol used by WWW for client-server communication.
Answer:
False

Question 18.
Full form of HTML is HyperText Markup Language.
Answer:
True

Question 19.
HyperText Markup Language enables to write code for a webpage.
Answer:
True

Question 20.
All the webpages in a website are linked with one another, with the help of HyperText links.
Answer:
True

Question 21.
HyperText Markup Language is a standard language for developing and creating interactive websites, introduced by Tim Berners Lee.
Answer:
True

Question 22.
Uniform Resource Locator documents are created in any text editor and can be run(executed) on any computer that has a web browser.
Answer:
False

Question 23.
HyperText Markup Language is compatible with most web browsers.
Answer:
False

Question 24.
Empty Tags are also called paired tags.
Answer:
False

Question 25.
Container Tags have a beginning tag and an end tag.
Answer:
True

Question 26.
Container Tags are standalone tags and do not have an end tag.
Answer:
False

Question 27.
<nav> defines a header for a document or a section.
Answer:
False

Question 28.
<header> defines a container for navigation links.
Answer:
False

Question 29.
<article> defines a section in a document.
Answer:
False

Question 30.
<section> defines an independent self-contained article.
Answer:
False

Question 31.
<aside> defines content apart from the content (like a sidebar).
Answer:
True

Question 32.
<footer> defines a footer for a document or a section.
Answer:
True

Question 33.
<details> defines additional details.
Answer:
True

Question 34.
<b> formatting is used to make a document look attractive thereby enhancing its appearance.
Answer:
False

Question 35.
<b> displays text within it in Bold like Hello.
Answer:
True

Question 36.
<i> display text within it in an italicized manner like Hello.
Answer:
True

Question 37.
<u> displays text with an underline like Hello.
Answer:
True

Question 38.
<small> displays text in small font size.
Answer:
True

Question 39.
Text displays text in subscript form.
Answer:
False

Question 40.
<sup> displays text in superscript form.
Answer:
True

Question 41.
The HTML <sub> element defines marked or highlighted text.
Answer:
False

Question 42.
HTML provides six levels of heading tags.
Answer:
True

Question 43.
The Six tag displays text in bold and with the largest heading level.
Answer:
False

Question 44.
The <H6> tag displays text in the smallest heading level.
Answer:
True

Question 45.
src tag is used to insert an image within a webpage.
Answer:
False

Question 46.
<IMG> is used to specify the path of an image file.
Answer:
False

Question 47.
Height specifies the height of the image in pixels.
Answer:
True

Question 48.
Width specifies the width of the image in pixels.
Answer:
True

Question 49.
Alt is referred to as alternate text.
Answer:
True

Question 50.
<IMG> is a empty tag.
Answer:
True

Question 51.
<P> tag is used to display horizontal ruled line.
Answer:
False

Question 52.
color sets the color for the horizontal ruled line.
Answer:
True

Question 53.
width specifies the length of the ruled line in % or pixels.
Answer:
True

Question 54.
size sets the thickness of a ruled line.
Answer:
True

Question 55.
<hr> tag is used to define paragraphs.
Answer:
False

Question 56.
A Table is made up of rows and columns.
Answer:
True

Question 57.
<caption> is used to indicate the creation of a table.
Answer:
False

Question 58.
<table> is used to specify a table heading.
Answer:
False

Question 59.
<tr> tag is used to create each row of the table.
Answer:
True

Question 60.
<th> indicates table heading.
Answer:
False

Question 61.
<td> specifies data within the table (cell content).
Answer:
True

Question 62.
A border attribute is required to display a border for the entire table.
Answer:
True

Question 63.
bgcolor displays borders in a specific color.
Answer:
False

Question 64.
border the table either to the left, right or center.
Answer:
False

Question 65.
bgcolor sets the background color for the table.
Answer:
True

Question 66.
Hyperlinks are used to connect one document with another document.
Answer:
True

Question 67.
In HTML, links are created by using <a> tag.
Answer:
True

Question 68.
A Hyperlink by default appears blue in colour with an underline.
Answer:
True

Question 69.
An Active link is underlined and purple.
Answer:
False

Question 70.
A Visited link is underlined and blue.
Answer:
False

Question 71.
Forms in HTML are used to accept user input.
Answer:
True

Question 72.
A Form is a collection of different elements also called controls.
Answer:
True

Question 73.
Name attributes specifies a name to a form.
Answer:
True

Question 74.
The Method attribute specifies the path where the form is to be submitted.
Answer:
False

Question 75.
The Action attribute specifies the get or post method to be used when submitting the form data.
Answer:
False

Question 76.
The default method of submitting form data is GET.
Answer:
True

Question 77.
The data submitted by using POST is visible in the address bar.
Answer:
False

Question 78.
The GET method of sending data does not display the form data in the address bar.
Answer:
False

Question 79.
<Input type = “text”> creates a one line Textbox.
Answer:
True

Question 80.
<Input type = “radio”> creates a radio button.
Answer:
True

Question 81.
The radio button allows one option selection against multiple choices.
Answer:
True

Question 82.
<Input type = “checkbox”> creates a Password.
Answer:
False

Question 83.
The button allows more than one selection against multiple choices.
Answer:
False

Question 84.
<Input type = “submit”> displays a button for Submitting the form data to a server.
Answer:
True

Question 85.
The Checkbox input type is used to create text contents in the form of ‘*’ asterisk or ‘•’ disc.
Answer:
False

Question 86.
The Reset control clears the text content entered in the form.
Answer:
True

Question 87.
<Input type = “Radio”> displays push button which activates on events.
Answer:
False

Question 88.
Maxlength describes the name of the control like text radio.
Answer:
False

Question 89.
The Name attribute is a user-defined value.
Answer:
True

Question 90.
Maxlength attribute is used with text and password type.
Answer:
True

Question 91.
Type specifies the maximum number of characters that can be entered in a text or password box.
Answer:
False

Question 92.
The ‘Size’ attribute can be used with text and password type.
Answer:
True

Question 93.
The value specifies the width of the text box.
Answer:
False

Question 94.
The ‘Checked’ attribute specifies the default selection for options in a checkbox or radio button.
Answer:
True

Question 95.
The ‘Size’ attribute can be used with text, checkbox, radio, submit or reset.
Answer:
False

Question 96.
The <textarea> tag is used to create a textbox with multiple lines.
Answer:
True

Question 97.
Name is used to specify a name for the textarea.
Answer:
True

Question 98.
Required specifies the number of lines in a text area.
Answer:
False

Question 99.
Maxlength specifies the width of a text area.
Answer:
False

Question 100.
Maxlength specifies the maximum number of characters allowed in the textarea.
Answer:
True

Question 101.
Placeholder specifies a short hint that describes the expected value of a textarea.
Answer:
True

Question 102.
Rows specify that textarea must be filled out. i.e. It can not be blank.
Answer:
False

Question 103.
Value tag is used to create a drop-down list.
Answer:
False

Question 104.
Name assigns a name to the control.
Answer:
True

Question 105.
Multiple allows the user to select more than one value.
Answer:
True

Question 106.
The Size attribute is used to specify the number of visible values.
Answer:
True

Question 107.
To define the preselected option, the ‘Selected’ attribute is added to the <option>.
Answer:
True

Question 108.
<select> assigns value to the option specified in the dropdown list.
Answer:
False

Question 109.
JavaScript was initially created to make web pages alive.
Answer:
True

Question 110.
A Script is a list of commands that are executed by a scripting engine.
Answer:
True

Question 111.
Scripts are used to generate dynamic Web pages on the Web.
Answer:
True

Question 112.
JavaScript can be used for the client-side or server-side scripting languages.
Answer:
True

Question 113.
Python code can be inserted in HTML program between <script> and </script> tag.
Answer:
False

Question 114.
The language attribute is used to set scripting language.
Answer:
True

Question 115.
A Variable is a basic unit of storage in a JavaScript program.
Answer:
True

Question 116.
The variable name may consist of alphabets, digits and underscore, and dollar characters with the following rules.
Answer:
True

Question 117.
Standard keywords are not allowed as Variable names.
Answer:
True

Question 118.
A variable names can be limited to up to 255 characters.
Answer:
True

Question 119.
Variable name in javascript is declared with keyword var’.
Answer:
True

Question 120.
JavaScript provides data types to store and use different types of values.
Answer:
True

Question 121.
Numerical value specially belongs to the ‘Boolean’ data type.
Answer:
False

Question 122.
The number data type can hold positive as well as negative values.
Answer:
True

Question 123.
Strings are used for storing text.
Answer:
True

Question 124.
Number type represents only two values ‘true’ and ‘false’.
Answer:
False

Question 125.
JavaScript returns ‘Undefined’ when a variable is declared but not assigned.
Answer:
True

Question 126.
Operators are used to doing arithmetic and logical operations.
Answer:
True

Question 127.
Operators that require one operand is called as Unary operator.
Answer:
True

Question 128.
Operators that require two operands are called Binary operators.
Answer:
True

Question 129.
Assignment operators are used in mathematical expressions.
Answer:
False

Question 130.
It is important to know that the Assignment operator is not an ‘equal to’ operator.
Answer:
True

Question 131.
The binary operator is used to assign the value of an expression to a variable.
Answer:
False

Question 132.
Relational operators are used to checking conditions or comparisons of operands.
Answer:
True

Question 133.
Logical operators are used to verifying more than one condition at a time or to negate the condition.
Answer:
True

Question 134.
The decrement (++) operator in JavaScript is used to increment the value of a variable by one.
Answer:
False

Question 135.
The increment operator in JavaScript is used to decrement the value of variables by one.
Answer:
False

Question 136.
Mistakes are non-executable statements in the program.
Answer:
False

Question 137.
Comments are used to provide information or explanation about your programming construct.
Answer:
True

Question 138.
Statements added in Comments are ignored by JavaScript.
Answer:
True

Question 139.
The function is used to perform repetitive tasks whenever required.
Answer:
True

Question 140.
The function is a reusable code block that will be executed when it is called.
Answer:
True

Question 141.
parseFloat() function is used to parse a string and convert it into a number.
Answer:
False

Question 142.
parselnt() function is used to parse a string and convert it into floating-point representation.
Answer:
False

Question 143.
alert() function displays an alert popup box with an ok button. This is also called a message box.
Answer:
False

Question 144.
prompt() function is used when you want input value from the user at the time of program execution.
Answer:
True

Question 145.
confirm() function displays a confirmation message box with ok and cancel buttons.
Answer:
True

Question 146.
toUpperCase() string function used to convert the given string into lower case alphabets.
Answer:
False

Question 147.
toLowerCase() string function is used to convert given string into uppercase alphabets.
Answer:
False

Question 148.
isNaN() returns ‘true’ if given value is not a number. It returns ‘false’ if the given value is a number.
Answer:
True

Question 149.
A Gmail in any scripting and programming language is a small part of a program that we require again and again.
Answer:
False

Question 150.
A Function is a subprogram designed to perform a particular task.
Answer:
True

Question 151.
Functions can be called either by an event or by giving a call to that function.
Answer:
True

Question 152.
JavaScript is an event-driven language.
Answer:
True

Question 153.
An event is an action done by the user or an application.
Answer:
True

Question 154.
JavaScript lets you execute a code when events are detected.
Answer:
True

Question 155.
onMouseUp when the user moves the mouse away from an element.
Answer:
False

Question 156.
onClick when the user clicks an element.
Answer:
True

Question 157.
onMouseOver when the user moves the mouse over an element.
Answer:
True

Question 158.
onClick when the user releases a mouse button over an element.
Answer:
False

3. Multiple Choice Question (Single Choice)

Question 1.
__________ resources have become a part of our day to day life.
(A) Online
(B) Internet
(C) Webpages
(D) World Wide Web
Answer:
(A) Online

Question 2.
The __________ is a powerful media to transmit information.
(A) Online
(B) Internet
(C) Webpages
(D) World Wide Web
Answer:
(B) Internet

Question 3.
The pages of information displayed on the internet are referred to as __________
(A) Online
(B) Internet
(C) Webpages
(D) World Wide Web
Answer:
(C) Web pages

Question 4.
The standards and formats for presenting text and graphics on the internet are developed and approved by __________ governing authorities.
(A) Online
(B) Internet
(C) Webpages
(D) World Wide Web
Answer:
(D) World Wide Web

Question 5.
The growing demand for attractive presentation of information using electronic means gave rise to the invention of __________
(A) Online
(B) Internet
(C) Webpages
(D) Websites
Answer:
(D) Websites

Question 6.
WWW stands for __________
(A) World Wide Web
(B) Webpage
(C) Website
(D) Web Browser
Answer:
(A) World Wide Web

Question 7.
WWW stands for world wide web normally referred to as __________
(A) World Wide Web
(B) Webpage
(C) Website
(D) Web
Answer:
(D) Web

Question 8.
__________ is a simple text file created using HTML.
(A) World Wide Web
(B) Webpage
(C) Website
(D) Web
Answer:
(B) Webpage

Question 9.
__________ is a collection of interlinked web pages containing text, images, audio and videos.
(A) World Wide Web
(B) Webpage
(C) Website
(D) Web
Answer:
(C) Website

Question 10.
A __________ is a software used to view web pages or websites available on the internet.
(A) World Wide Web
(B) Webpage
(C) Website
(D) Web Browser
Answer:
(D) Web Browser

Question 11.
A __________ is an application or a computer that sends webpages over the internet using the HTTP protocol.
(A) Webserver
(B) Uniform Resource Locator
(C) HyperText Transfer Protocol
(D) Hypertext
Answer:
(A) Web Server

Question 12.
The functionality of website is managed by __________
(A) Webserver
(B) Uniform Resource Locator
(C) Hyper Text Transfer Protocol
(D) Hypertext
Answer:
(A) Webserver

Question 13.
Full form of URL is __________
(A) Uniform Resource Locator
(B) United Research Live
(C) Uniform Research Live
(D) Uniform Research Locator
Answer:
(A) Uniform Resource Locator

Question 14.
__________ is an address of a web page on the internet.
(A) Web Server
(B) Uniform Resource Locator
(C) Hyper Text Transfer Protocol
(D) Hypertext
Answer:
(B) Uniform Resource Locator

Question 15.
The web pages are retrieved from the original location with the help of __________
(A) Web Server
(B) Uniform Resource Locator
(C) Hyper Text Transfer Protocol
(D) Hypertext
Answer:
(B) Uniform Resource Locator

Question 16.
Full form of HTTP is __________
(A) Hyper Text Transfer Protocol
(B) Hyper Test Transfer Protocol
(C) Hyper Text Transfer Permission
(D) Hyper Text Transfer Permission
Answer:
(A) Hyper Text Transfer Protocol

Question 17.
__________ is a protocol used by WWW for client-server communication.
(A) Web Server
(B) Uniform Resource Locator
(C) Hyper Text Transfer Protocol
(D) Hyper Text
Answer:
(C) Hyper Text Transfer Protocol

Question 18.
Full form of HTML is __________
(A) Hyper Text Markup Language
(B) Hyper Test Markup Language
(C) Hyper Text Machine Language
(D) Hyper Test Machine Language
Answer:
(A) Hyper Text Markup Language

Question 19.
__________ enables to write code for a webpage.
(A) Webserver
(B) Uniform Resource Locator
(C) Hyper Text Transfer Protocol
(D) Hyper Text Markup Language
Answer:
(D) Hyper Text Markup Language

Question 20.
All the webpages in a website are linked with one another, with the help of __________ links.
(A) Webserver
(B) Uniform Resource Locator
(C) HyperText Transfer Protocol
(D) Hypertext
Answer:
(D) Hypertext

Question 21.
__________ is a standard language for developing and creating interactive websites, introduced by Tim Berners Lee.
(A) Web server
(B) Uniform Resource Locator
(C) Hyper Text Transfer Protocol
(D) Hyper Text Markup Language
Answer:
(D) Hyper Text Markup Language

Question 22.
__________ documents are created in any text editor for and can be run (executed) on any computer that has a web browser.
(A) Webserver
(B) Uniform Resource Locator
(C) Hyper Text Transfer Protocol
(D) Hyper Text Markup Language
Answer:
(D) Hyper Text Markup Language

Question 23.
__________ is compatible with most of the web browsers.
(A) Web server
(B) Uniform Resource Locator
(C) HyperText Transfer Protocol
(D) HyperText Markup Language
Answer:
(D) Hyper Text Markup Language

Question 24.
__________ Tags are also called paired tags.
(A) Container
(B) Empty
(C) Web Server
(D) Uniform Resource Locator
Answer:
(A) Container

Question 25.
__________ Tags have a beginning tae and an end tag.
(A) Container
(B) Empty
(C) Web Server
(D) Uniform Resource Locator
Answer:
(A) Container

Question 26.
__________ Tags are standalone tags and do not have an end tag.
(A) Container
(B) Empty
(C) Web Server
(D) Uniform Resource Locator
Answer:
(B) Empty

Question 27.
__________ defines a header for a document or a section.
(A) <header>
(B) <nav>
(C) <section>
(D) <article>
Answer:
(A) <header>

Question 28.
__________ defines a container for navigation links.
(A) <header>
(B) <nav>
(C) <section>
(D) <article>
Answer:
(B) <nav>

Question 29.
__________ defines a section in a document.
(A) <header>
(B) <nav>
(C) <section>
(D) <article>
Answer:
(C) <section>

Question 30.
__________ defines an independent self-contained article.
(A) <header>
(B) <nav>
(C) <section>
(D) <article>
Answer:
(D) <article>

Question 31.
__________ defines content apart from the content (like a sidebar).
(A) <aside>
(B) <footer>
(C) <details>
(D) <header>
Answer:
(A) <aside>

Question 32.
__________ defines a footer for a document or a section.
(A) <aside>
(B) <footer>
(C) <details>
(D) <header>
Answer:
(B) <footer>

Question 33.
__________ defines additional details.
(A) <aside>
(B) <footer>
(C) <details>
(D) <header>
Answer:
(C) <details>

Question 34.
__________ formatting is used to make a document look attractive thereby enhancing it’s appearance.
(A) Text
(B) <b>
(C) <i>
(D) <u>
Answer:
(A) Text

Question 35.
__________ displays text within it in Bold like Hello.
(A) Text
(B) <b>
(C) <i>
(D) <u>
Answer:
(B) <b>

Question 36.
__________ displays text within it in italicized manner like Hello.
(A) Text
(B) <b>
(C) <i>
(D) <u>
Answer:
(C) <i>

Question 37.
__________ displays text with underline like Hello.
(A) Text
(B) <b>
(C) <i>
(D) <u>
Answer:
(D) <u>

Question 38.
__________ displays text in small font size.
(A) <small>
(B) <sub>
(C) <sup>
(D) <mark>
Answer:
(A) <small>

Question 39.
__________ displays text in subscript form.
(A) <small>
(B) <sub>
(C) <sup>
(D) <mark>
Answer:
(B) <sub>

Question 40.
__________ displays text in superscript form.
(A) <small>
(B) <sub>
(C) <sup>
(D) <mark>
Answer:
(C) <sup>

Question 41.
The HTML __________ element defines marked or highlighted text.
(A) <small>
(B) <sub>
(C) <sup>
(D) <mark>
Answer:
(D) <mark>

Question 42.
HTML provides __________ levels of heading tags.
(A) Six
(B) <H1>
(C) <H6>
(D) <H2>
Answer:
(A) Six

Question 43.
The __________ tag displays text in bold and with largest heading level.
(A) Six
(B) <H1>
(C) <H6>
(D) <H2>
Answer:
(B) <H1>

Question 44.
The __________ tag displays text in the smallest heading level.
(A) Six
(B) <H1>
(C) <H6>
(D) <H2>
Answer:
(C) <H6>

Question 45.
__________ tag is used to insert an image within a webpage.
(A) <IMG>
(B) src
(C) Height
(D) Width
Answer:
(A) <IMG>

Question 46.
__________ is used to specify the path of an image file.
(A) <IMG>
(B) src
(C) Height
(D) Width
Answer:
(B) src

Question 47.
__________ specifies height of the image in pixels.
(A) <IMG>
(B) src
(C) Height
(D) Width
Answer:
(C) Height

Question 48.
__________ specifies width of the image in pixels.
(A) <IMG>
(B) src
(C) Height
(D) Width
Answer:
(D) Width

Question 49.
__________ is referred as alternate text.
(A) Alt
(B) <IMG>
(C) <hr>
(D) color
Answer:
(A) Alt

Question 50.
__________ is a empty tag.
(A) Alt
(B) <IMG>
(C) <hr>
(D) color
Answer:
(B) <IMG>

Question 51.
__________ tag is used to display horizontal ruled line.
(A) Alt
(B) <IMG>
(C) <hr>
(D) color
Answer:
(C) <hr>

Question 52.
__________ sets color for the horizontal ruled line.
(A) Alt
(B) <IMG>
(C) <hr>
(D) color
Answer:
(D) color

Question 53.
__________ specifies the length of the ruled line in % or pixels.
(A) width
(B) size
(C) <P>
(D) color
Answer:
(A) width

Question 54.
__________ sets thickness of a ruled line.
(A) width
(B) size
(C) <P>
(D) color
Answer:
(B) size

Question 55.
__________ tag is used to define paragraphs.
(A) width
(B) size
(C) <P>
(D) color
Answer:
(C) <P>

Question 56.
A __________ is made up of rows and columns.
(A) Table
(B) <caption>
(C) <tr>
(D) <th>
Answer:
(A) Table

Question 57.
__________ is used to indicate creation of a table.
(A) <table>
(B) <caption>
(C) <tr>
(D) <th>
Answer:
(A) <table>

Question 58.
__________ is used to specify a table heading.
(A) <table>
(B) <caption>
(C) <tr>
(D) <th>
Answer:
(B) <caption>

Question 59.
__________ tag is used to create each row of the table.
(A) <table>
(B) <caption>
(C) <tr>
(D) <th>
Answer:
(C) <tr>

Question 60.
__________ indicates table heading.
(A) <table>
(B) <caption>
(C) <tr>
(D) <th>
Answer:
(D) <th>

Question 61.
__________ specifies data within the table (cell content).
(A) <table>
(B) <caption>
(C) <tr>
(D) <td>
Answer:
(D) <td>

Question 62.
__________ attribute is required to display a border for the entire table.
(A) border
(B) bordercolor
(C) aligns
(D) bgcolor
Answer:
(A) border

Question 63.
__________ displays border in a specific color.
(A) border
(B) bordercolor
(C) aligns
(D) bgcolor
Answer:
(B) bordercolor

Question 64.
__________ the table either to the left, right or center.
(A) border
(B) bordercolor
(C) aligns
(D) bgcolor
Answer:
(C) aligns

Question 65.
__________ sets the background color for the table.
(A) border
(B) bordercolor
(C) aligns
(D) bgcolor
Answer:
(D) bgcolor

Question 66.
__________ are used to connect one document with another document.
(A) Hyperlinks
(B) <a>
(C) Hypertext
(D) Visited
Answer:
(A) Hyperlinks

Question 67.
In HTML, Links are created bv usinsr __________ tag.
(A) Hypertext
(B) <a>
(C) Hyperlink
(D) Visited
Answer:
(B) <a>

Question 68.
A __________ by default appears blue in colour with an underline.
(A) Hypertext
(B) <a>
(C) Hyperlink
(D) Visited
Answer:
(C) Hyperlink

Question 69.
A __________ link is underlined and purple.
(A) Hypertext
(B) <a>
(C) Hyperlink
(D) Visited
Answer:
(D) Visited

Question 70.
An __________ link is underlined and blue.
(A) Hypertext
(B) <a>
(C) Hyperlink
(D) Active
Answer:
(D) Active

Question 71.
__________ in HTML is used to accept user input.
(A) Forms
(B) Action
(C) Method
(D) GET
Answer:
(A) Forms

Question 72.
A __________ is a collection of different elements also called as controls.
(A) Form
(B) Action
(C) Method
(D) GET
Answer:
(A) Form

Question 73.
__________ attributes specifies a name to a form.
(A) Name
(B) Action
(C) Method
(D) GET
Answer:
(A) Name

Question 74.
The __________ attribute specifies the path where the form is to be submitted.
(A) Name
(B) Action
(C) Method
(D) GET
Answer:
(B) Action

Question 75.
The __________ attribute specifies the get or post method to be used when submitting the form data.
(A) Name
(B) Action
(C) Method
(D) GET
Answer:
(C) Method

Question 76.
The default method of submitting form data is __________
(A) Name
(B) Action
(C) Method
(D) GET
Answer:
(D) GET

Question 77.
The data submitted by using __________ is visible in the address bar.
(A) Name
(B) Action
(C) Method
(D) GET
Answer:
(D) GET

Question 78.
The __________ method of sending data does not display the form data in the address bar.
(A) POST
(B) Action
(C) Method
(D) GET
Answer:
(A) POST

Question 79.
<Input type = “text”> creates a one line __________
(A) Textbox
(B) Radio
(C) Checkbox
(D) Submitting
Answer:
(A) Textbox

Question 80.
<Input type = “radio”> creates a __________ button.
(A) Textbox The
(B) Radio
(C) Checkbox
(D) Submitting
Answer:
(B) Radio

Question 81.
The __________ button allows one option selection against multiple choices.
(A) Textbox
(B) Radio
(C) Checkbox
(D) Submitting
Answer:
(B) Radio

Question 82.
<Input type =”checkbox”> creates a __________
(A) Textbox
(B) Radio
(C) Checkbox
(D) Submitting
Answer:
(C) Checkbox

Question 83.
__________ allows more than one selection against multiple choices.
(A) Textbox
(B) Radio
(C) Checkbox
(D) Submitting
Answer:
(C) Checkbox

Question 84.
<Input type = “submit”> displays a button for __________ the form data to a server.
(A) Textbox
(B) Radio
(C) Checkbox
(D) Submitting
Answer:
(D) Submitting

Question 85.
The __________ input type is used to create text contents in the form of ‘*’ asterik or ‘.’ disc.
(A) Password
(B) Reset
(C) Button
(D) Textbox
Answer:
(A) Password

Question 86.
The __________ control clears the text content entered in the form.
(A) Password
(B) Reset
(C) Button
(D) Textbox
Answer:
(B) Reset

Question 87.
<Input type = “___________”> displays push button which activates on events.
(A) Password
(B) Reset
(C) Button
(D) Textbox
Answer:
(C) Button

Question 88.
__________ describes, the name of the control like text radio.
(A) Type
(B) Name
(C) Maxlength
(D) Size
Answer:
(A) Type

Question 89.
The __________ attribute is a user defined value.
(A) Type
(B) Name
(C) Maxlength
(D) Size
Answer:
(B) Name

Question 90.
__________ attribute is used with text and password type.
(A) Type
(B) Name
(C) Maxlength
(D) Size
Answer:
(C) Maxlength

Question 91.
__________ specifies the maximum number of characters that can be entered in a text or password box.
(A) Type
(B) Name
(C) Maxlength
(D) Size
Answer:
(C) Maxlength

Question 92.
The ‘___________’ attribute can be used with text and password type.
(A) Type
(B) Name
(C) Maxlength
(D) Size
Answer:
(D) Size

Question 93.
__________ specifies the width of the text box.
(A) Type
(B) Name
(C) Maxlength
(D) Size
Answer:
(D) Size

Question 94.
The ‘______________’ attribute specifies the default selection for options in a checkbox or radio button.
(A) Checked
(B) Value
(C) Name
(D) Maxlength
Answer:
(A) Checked

Question 95.
The ‘______________’ attribute can be used with text, checkbox, radio, submit or reset.
(A) Checked
(B) Value
(C) Name
(D) Maxlength
Answer:
(B) Value

Question 96.
The __________ tag is used to create a textbox with multiple lines.
(A) <textarea>
(B) Name
(C) Rows
(D) Cols
Answer:
(A) <textarea>

Question 97.
__________ is used to specify name for the textarea.
(A) <textarea>
(B) Name
(C) Rows
(D) Cols
Answer:
(B) Name

Question 98.
__________ specifies the number of lines in a textarea.
(A) <textarea>
(B) Name
(C) Rows
(D) Cols
Answer:
(C) Rows

Question 99.
__________ specifies the width of a text area.
(A) <textarea>
(B) Name
(C) Rows
(D) Cols
Answer:
(D) Cols

Question 100.
__________ specifies the maximum number of characters allowed in the textarea.
(A) Maxlength
(B) Placeholder
(C) Required
(D) Rows
Answer:
(A) Maxlength

Question 101.
__________ specifies a short hint that describes the expected value of a textarea.
(A) Maxlength
(B) Placeholder
(C) Required
(D) Rows
Answer:
(B) Placeholder

Question 102.
__________ specifies that textarea must be filled out. i.e. It can not be blank.
(A) Maxlength
(B) Placeholder
(C) Required
(D) Rows
Answer:
(C) Required

Question 103.
__________ tag is used to create drop-down list.
(A) <select>
(B) Name
(C) Multiple
(D) Size
Answer:
(A) <select>

Question 104.
__________ assigns name to the control.
(A) <select>
(B) Name
(C) Multiple
(D) Size
Answer:
(B) Name

Question 105.
__________ allows the user to select more than one value.
(A) <select>
(B) Name
(C) Multiple
(D) Size
Answer:
(C) Multiple

Question 106.
The __________ attribute is used to specify the number of visible values.
(A) <select>
(B) Name
(C) Multiple
(D) Size
Answer:
(D) Size

Question 107.
To define preselected option, ‘___________’ attribute is added to the <option>.
(A) Selected
(B) Value
(C) Multiple
(D) Size
Answer:
(A) Selected

Question 108.
__________ assigns value to the option specified in the dropdown list.
(A) Selected
(B) Value
(C) Multiple
(D) Size
Answer:
(B) Value

Question 109.
__________ was initially created to make webpages alive.
(A) JavaScript
(B) Script
(C) Language
(D) Python
Answer:
(A) JavaScript

Question 110.
A __________ is a list of commands that are executed by a scripting engine.
(A) JavaScript
(B) Script
(C) Language
(D) Python
Answer:
(B) Script

Question 111.
__________ are used to generate dynamic Web pages on the Web.
(A) JavaScript
(B) Scripts
(C) Language
(D) Python
Answer:
(B) Scripts

Question 112.
__________ can be use for client side or server side scripting language.
(A) JavaScript
(B) Script
(C) Language
(D) Python
Answer:
(A) JavaScript

Question 113.
__________ code can be inserted in HTML program between <script> and </script> tag.
(A) JavaScript
(B) Script
(C) Language
(D) Python
Answer:
(A) JavaScript

Question 114.
__________ attribute is used to set scripting language.
(A) JavaScript
(B) Scrip
(C) Language
(D) Python
Answer:
(C) Language

Question 115.
The __________ is a basic unit of storage in a JavaScript program.
(A) Variable
(B) Java
(C) .Net
(D) Python
Answer:
(A) Variable

Question 116.
__________ name may consist of alphabets, digits and underscore and dollar character with following rules.
(A) Variable
(B) Java
(C) .Net
(D) Python
Answer:
(A) Variable

Question 117.
Standard keywords are not allowed as __________ name.
(A) Variable
(B) Java
(C) .Net
(D) Python
Answer:
(A) Variable

Question 118.
__________ name can be limited up to 255 characters.
(A) Variable
(B) Java
(C) .Net
(D) Python
Answer:
(A) Variable

Question 119.
__________ name in javascript is declared with keyword ‘var’.
(A) Variable
(B) Java
(C) .Net
(D) Python
Answer:
(A) Variable

Question 120.
__________ provides data types to store and use different types of values.
(A) JavaScript
(B) Number
(C) Strings
(D) Boolean
Answer:
(A) JavaScript

Question 121.
Numerical value specially belongs to the ‘____________’ data type.
(A) JavaScript
(B) Number
(C) Strings
(D) Boolean
Answer:
(B) Number

Question 122.
__________ data type can hold positive as well as negative values.
(A) JavaScript
(B) Number
(C) Strings
(D) Boolean
Answer:
(B) Number

Question 123.
__________ are used for storing text.
(A) JavaScript
(B) Number
(C) Strings
(D) Boolean
Answer:
(C) Strings

Question 124.
__________ type represents only two values ‘true’ and ‘false’.
(A) JavaScript
(B) Number
(C) Strings
(D) Boolean
Answer:
(D) Boolean

Question 125.
JavaScript returns ‘____________’ when variable which is declared but not assigned.
(A) Undefined
(B) Number
(C) Strings
(D) Boolean
Answer:
(A) Undefined

Question 126.
__________ are used to do arithmetic and logical operations.
(A) Operators
(B) Unary
(C) Binary
(D) Arithmetic
Answer:
(A) Operators

Question 127.
Operators that require one operand is called as __________ operator.
(A) Operators
(B) Unary
(C) Binary
(D) Arithmetic
Answer:
(B) Unary

Question 128.
Operators that require two operands are called as __________ operator.
(A) Operators
(B) Unary
(C) Binary
(D) Arithmetic
Answer:
(C) Binary

Question 129.
__________ operators are used in mathematical expressions.
(A) Operators
(B) Unary
(C) Binary
(D) Arithmetic
Answer:
(D) Arithmetic

Question 130.
It is important to know that __________ operator is not ‘equal to’ operator.
(A) Assignment
(B) Relational
(C) Logical
(D) Increment
Answer:
(A) Assignment

Question 131.
__________ operator is used to assign value of an expression to a variable.
(A) Assignment
(B) Relational
(C) Logical
(D) Increment
Answer:
(A) Assignment

Question 132.
__________ operators are used to check conditions or comparison of operands.
(A) Assignment
(B) Relational
(C) Logical
(D) Increment
Answer:
(B) Relational

Question 133.
__________ operators are used to verifying more than one condition at a time or to negate the condition.
(A) Assignment
(B) Relational
(C) Logical
(D) Increment
Answer:
(C) Logical

Question 134.
__________ (++) operator in JavaScript is used to increment value of variable by one.
(A) Assignment
(B) Relational
(C) Logical
(D) Increment
Answer:
(D) Increment

Question 135.
__________ operator in JavaScript is used to decrement value of variable by one.
(A) Assignment
(B) Relational
(C) Logical
(D) Decrement
Answer:
(D) Decrement

Question 136.
___________ are non-executable statements in program.
(A) Comments
(B) Mistakes
(C) Java
(D) Python
Answer:
(A) Comments

Question 137.
___________ are used to provide information or explanation about your programming construct.
(A) Comments
(B) Mistakes
(C) Java
(D) Python
Answer:
(A) Comments

Question 138.
Statements added in ___________ are ignored by JavaScript.
(A) Comments
(B) Mistakes
(C) Java
(D) Python
Answer:
(A) Comments

Question 139.
___________ is used to perform repetitive tasks whenever required.
(A) Function
(B) parseInt()
(C) parseFloat()
(D) alert()
Answer:
(A) Function

Question 140.
___________ is reusable codeblock that will be executed when it is called.
(A) Function
(B) parseInt()
(C) parseFloat()
(D) alert()
Answer:
(A) Function

Question 141.
___________ function is used to parse a string and convert it into a number.
(A) Function
(B) parseInt()
(C) parseFloat()
(D) alert()
Answer:
(B) parseInt()

Question 142.
___________ function is used to parse a string and convert it into floating point representation.
(A) Function
(B) parseInt()
(C) parseFloat()
(D) alert()
Answer:
(C) parseFloat()

Question 143.
___________ function displays alert popup box with ok button. This is also called as a message box.
(A) Function
(B) parselnt()
(C) parseFloat()
(D) alert()
Answer:
(D) alert()

Question 144.
___________ function is used when you want input value from user at the time of program execution.
(A) prompt()
(B) confirm()
(C) toLowerCase()
(D) toUpperCase()
Answer:
(A) prompt()

Question 145.
___________ function displays confirmation message box with ok and cancel button.
(A) prompt()
(B) confirm()
(C) toLowerCase()
(D) toUpperCase()
Answer:
(B) confirm()

Question 146.
___________ string function used to convert the given string into lower case alphabets.
(A) prompt()
(B) confirm()
(C) toLowerCase()
(D) toUpperCase()
Answer:
(C) toLowerCase()

Question 147.
___________ string function is used to convert given string into uppercase alphabets.
(A) prompt()
(B) confirm()
(C) toLowerCase()
(D) toUpperCase()
Answer:
(D) toUpperCase()

Question 148.
___________ returns ‘true’ if given value is not a number. It returns ‘false’ if given value is number.
(A) prompt()
(B) confirm()
(C) toLowerCase()
(D) isNaN()
Answer:
(D) isNaN()

Question 149.
A ___________ in any scripting and programming language is a small part of a program that we require again and again.
(A) Function
(B) Gmail
(C) Hotmail
(D) Program
Answer:
(A) Function

Question 150.
A ___________ is a subprogram designed to perform a particular task.
(A) Function
(B) Gmail
(C) Hotmail
(D) Program
Answer:
(A) Function

Question 151.
___________ can be called either by an event or by giving call to that function.
(A) Function
(B) Gmail
(C) Hotmail
(D) Program
Answer:
(A) Function

Question 152.
___________ is an event-driven language.
(A) JavaScript
(B) Event
(C) Function
(D) Driven
Answer:
(A) JavaScript

Question 153.
___________ is an action done by the user or an application.
(A) JavaScript
(B) Event
(C) Function
(D) Driven
Answer:
(B) Event

Question 154.
___________ lets you execute a code when events are detected.
(A) JavaScript
(B) Event
(C) Function
(D) Driven
Answer:
(A) JavaScript

Question 155.
___________ when user moves the mouse away from an element.
(A) onMouseOut
(B) onClick
(C) onMouseOver
(D) onMouseUp
Answer:
(A) onMouseOut

Question 156.
___________ when user clicks an element.
(A) onMouseOut
(B) onClick
(C) onMouseOver
(D) OnMouseUp
Answer:
(B) onClick

Question 157.
___________ when user moves the mouse over an element.
(A) onMouseOut
(B) onClick
(C) onMouseOver
(D) OnMouseUp
Answer:
(C) onMouseOver

Question 158.
___________ when user releases a mouse button over an element.
(A) onMouseOut
(B) onClick
(C) onMouseOver
(D) OnMouseUp
Answer:
(D) onMouseUp

4. Multiple Choice Two Correct Answers.

Question 1.
The standards and formats for presenting __________ and __________ on the internet are developed and approved by world wide web governing authorities.
(A) web pages
(B) Text
(C) graphics
(D) websites
(E) text editor
Answer:
(B) Text, (C) graphics

Question 2.
A web browser is a software used to view __________ or __________ available on the internet.
(A) web pages
(B) Text
(C) graphics
(D) websites
(E) text editor
Answer:
(A) web pages, (D) websites

Question 3.
HyperText Transfer Protocol documents are created in any __________ for and can be run(executed) on any computer that has a __________
(A) web pages
(B) Text
(C) graphics
(D) text editor
(E) web browser
Answer:
(D) text editor, (E) web browser

Question 4.
Every HTML page is enclosed within two tags __________ and __________
(A) Head
(B) body
(C) <html>
(D) Container tags
(E) </html>
Answer:
(C) <html>, (E) </html>

Question 5.
The page is divided into two sections internally __________ section and __________ section.
(A) Head
(B) body
(C) <html>
(D) Container tags
(E) </html>
Answer:
(A) Head, (B) body

Question 6.
HTML tags are categorized as _________ & __________
(A) Beginning
(B) Container tags
(C) End
(D) Empty tags
(E) Standalone
Answer:
(B) Container tags, (D) Empty tags

Question 7.
Container Tags have a __________ tag and an __________ tag.
(A) Beginning
(B) Container tags
(C) End
(D) Empty tags
(E) Standalone
Answer:
(A) Beginning, (C) End

Question 8.
Empty tags are __________ tags and do not have an __________ tag.
(A) Beginning
(B) Container tags
(C) Standalone
(D) End
(E) Empty Tag
Answer:
(C) Standalone, (D) End

Question 9.
_________ and __________ tag indicates that the document is an html file.
(A) Head
(B) body
(C) <html>
(D) Container tags
(E) </html>
Answer:
(C) <html>, (E) </html>

Question 10.
____________ and __________ includes <Title> within it. the text within <head> is not displayed on the webpage.
(A) Head
(B) body
(C) <head>
(D) Container tags
(E) </head>
Answer:
(C) <head>, (E) </head>

Question 11.
__________ and __________ content within this tag is displayed on the title bar.
(A) Head
(B) body
(C) <title>
(D) Container tags
(E) </title>
Answer:
(C) <title>, (E) </title>

Question 12.
__________ and __________ tag includes all content which is to be developed in the web browser.
(A) Head
(B) body
(C) <body>
(D) Container tags
(E) </body>
Answer:
(C) <body>, (E) </body>

Question 13.
<footer> defines a footer for a __________ or a __________
(A) Document
(B) Section
(C) Rows
(D) Columns
(E) Tags
Answer:
(A) Document, (B) Section

Question 14.
A table is made up of __________ and __________
(A) Document
(B) Section
(C) Rows
(D) Columns
(E) Tags
Answer:
(C) Rows, (D) Columns

Question 15.
The __________ and __________ used to create a table.
(A) Document
(B) Section
(C) Rows
(D) Tags
(E) Attributes
Answer:
(D) Tags, (E) Attributes

Question 16.
A Hyperlink by default appears __________ in colour with an __________
(A) Get
(B) Blue
(C) Underline
(D) Post
(E) Text
Answer:
(B) Blue, (C) Underline

Question 17.
The method attribute specifies __________ or __________ method to be used when submitting the form data.
(A) Get
(B) Blue
(C) Underline
(D) Post
(E) Text
Answer:
(A) Get, (D) Post

Question 18.
Method of form are __________ or __________
(A) Get
(B) Blue
(C) Underline
(D) Post
(E) Text
Answer:
(A) Get, (D) Post

Question 19.
Maxlength attribute is used with __________ and __________ type.
(A) Get
(B) Blue
(C) Underline
(D) Text
(E) Password
Answer:
(D) Text, (E) Password

Question 20.
Maxlength specifies the maximum number of characters which can be entered in a __________ or __________ box.
(A) Get
(B) Blue
(C) Underline
(D) Text
(E) Password
Answer:
(D) Text, (E) Password

Question 21.
The ‘Size’ attribute can be used with __________ and __________ type.
(A) Get
(B) Blue
(C) Underline
(D) Text
(E) Password
Answer:
(D) Text, (E) Password

Question 22.
The ‘Checked’ attribute specifies the default selection for options in a __________ or __________ button.
(A) Checkbox
(B) Selected
(C) Radio
(D) Value
(E) Client
Answer:
(A) Checkbox, (C) Radio

Question 23.
The attributes of <option> tag are __________ & __________
(A) Checkbox
(B) Selected
(C) Radio
(D) Value
(E) Client
Answer:
(B) Selected, (D) Value

Question 24.
JavaScript can be use for __________ side or __________ side scripting language.
(A) Checkbox
(B) Selected
(C) Radio
(D) Client
(E) Server
Answer:
(D) Client, (E) Server

Question 25.
Number data type can hold __________ as well as __________ values.
(A) Positive
(B) Negative
(C) True
(D) False
(E) Logical
Answer:
(A) Positive, (B) Negative

Question 26.
Boolean Type represents only two values ‘__________’ and ‘__________’.
(A) Positive
(B) Negative
(C) True
(D) False
(E) Logical
Answer:
(C) True, (D) False

Question 27.
Operators are used to do __________ and __________ operations.
(A) Positive
(B) Negative
(C) True
(D) Arithmetic
(E) Logical
Answer:
(D) Arithmetic, (E) Logical

Question 28.
Java script supports two types of comments __________ & __________
(A) Ok
(B) Single line comment
(C) Cancel
(D) Multiline Comment
(E) Programming
Answer:
(B) Single line comment, (D) Multiline Comment

Question 29.
Confirm() function displays confirmation message box with __________ and __________ button.
(A) Ok
(B) Single line comment
(C) Cancel
(D) Multiline comment
(E) Programming
Answer:
(A) Ok, (C) Cancel

Question 30.
A Function in any __________ and __________ languages is small part of program that we require again and again.
(A) Ok
(B) Single line comment
(C) Cancel
(D) Scripting
(E) Programming
Answer:
(D) Scripting, (E) Programming

Question 31.
Functions can be called either by an __________ or by giving __________ to that function.
(A) Event
(B) User
(C) Application
(D) Call
(E) Attributes
Answer:
(A) Event, (D) Call

Question 32.
Event is an action done by the __________ or an __________
(A) Event
(B) User
(C) Application
(D) Call
(E) Attributes
Answer:
(B) User, (C) Application

5. Multiple Choice Three Correct Answers.

Question 1.
The popular extensions of image file are __________, __________ and __________
(A) Left
(B) Png
(C) Right
(D) Jpg
(E) Gif
Answer:
(B) Png, (D) Jpg, (E) Gif

Question 2.
It aligns the table either to the __________, __________ or __________
(A) Left
(B) Png
(C) Right
(D) Center
(E) Gif
Answer:
(A) Left, (C) Right, (D) Center

Question 3.
__________, __________, __________ tags can have bgcolor attribute for specifying background color to a row or a column respectively.
(A) <tr>
(B) <th>
(C) <td>
(D) Name
(E) Size
Answer:
(A) <tr>, (B) <th>, (C) <td>

Question 4.
The attributes of <select> tag are __________, __________ & __________
(A) Name
(B) Alphabets
(C) Multiple
(D) Numbers
(E) Size
Answer:
(A) Name, (C) Multiple, (E) Size

Question 5.
When we store information it is in the form of __________, __________ or __________ values.
(A) Name
(B) Alphabets
(C) Multiple
(D) Numbers
(E) Alphanumeric
Answer:
(B) Alphabets, (D) Numbers, (E) Alphanumeric

Question 6.
In JavaScript null is, just a value which means “__________”, “__________”, “__________”
(A) Nothing
(B) Empty
(C) Unknown
(D) Arithmetic
(E) Relational
Answer:
(A) Nothing, (B) Empty, (C) Unknown

Question 7.
Most of the operators can be divided into groups __________, __________ and __________ operators.
(A) Nothing
(B) Empty
(C) Arithmetic
(D) Relational
(E) Logical
Answer:
(C) Arithmetic, (D) Relational, (E) Logical

6. Match the following.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Question 8.

Answer:

Question 9.

Answer:

Question 10.

Answer:

Question 11.

Answer:

Question 12.

Answer:

Question 13.

Answer:

Question 14.

Answer:

Question 15.

Answer:

Question 16.

Answer:

Question 17.

Answer:

Question 18.

Answer:

Question 19.

Answer:

7. Answer Briefly.

Question 1.
What is Internet?
Answer:

1. Online resources have become a part of our day-to-day life.
2. The Internet is a powerful medium to transmit information.
3. The pages of the information displayed on the internet are referred to as Webpages.
4. The standards and formats for presenting text and graphics on the internet are developed and approved by worldwide web governing authorities.
5. The growing demand for attractive presentation of information using electronic means gave rise to the invention of Websites.

Question 2.
Discuss the Components of the web.
Answer:

1. WWW stands for world wide web.
2. WWW stands for world wide web normally referred to as Web.
3. The webpage is a simple text file created using HTML.
4. A website is a collection of interlinked web pages containing text, images, audio, and videos.
5. A web browser is software used to view web pages or websites available on the internet.
6. A Web server is an application or a computer that sends webpages over the internet using the HTTP protocol.
7. The functionality of the website is managed by the webserver.
8. The full form of URL is Uniform Resource Locator.
9. Uniform Resource Locator is an address of a web page on the internet.
10. The web pages are retrieved from the original location with the help of a Uniform Resource Locator.
11. The full form of HTTP is HyperText Transfer Protocol.
12. HyperText Transfer Protocol is a protocol used by WWW for client-server communication.
13. The full form of HTML is HyperText Markup Language.
14. HyperText Markup Language enables to write code for a webpage.
15. All the web pages in a website are linked with one another, with the help of Hypertext Links.

Question 3.
What is HTML?
Answer:

1. HyperText Markup Language is a standard language for developing and creating interactive websites, introduced by Tim Berners Lee.
2. HyperText Markup Language documents are created in any text editor and can be run(executed) on any computer that has a web browser.
3. HyperText Markup Language is compatible with most web browsers.

Question 4.
Write down the classification of HTML Tags.
Answer:
HTML tags are categorized as Container tags & Empty tags

1. Container Tags are also called paired tags.
2. Container Tags have a beginning tag and an end tag.
3. Empty Tags are standalone tags and do not have an end tag.

Question 5.
Discuss the structure of a web page using HTML5.
Answer:

1. <header> defines a header for a document or a section.
2. <nav> defines a container for navigation links.
3. <seetion> defines a section in a document.
4. <article> defines an independent self-contained article.
5. <aside> defines content apart from the content (like a sidebar).
6. <footer> defines a footer for a document or a section.
7. <details> defines additional details.

Question 6.
Explain the Text formatting element.
Answer:

1. Text formatting is used to make a document look attractive thereby enhancing its appearance.
2. <b> displays text within it in Bold like Hello.
3. <i> displays text within it in an italicized manner like Hello.
4. <u> displays text with an underline like Hello.
5. <small> displays text in small font size.
6. <sub> displays text in subscript form.
7. <sup> displays text in superscript form.
8. The HTML <mark> element defines marked or highlighted text.

Question 7.
Explain Heading levels.
Answer:

1. HTML provides six levels of heading tags.
2. The <H1> tag displays text in bold and with the largest heading level.
3. The <H6> tag displays text in the smallest heading level.

Question 8.
Explain Inserting an image, a horizontal ruled line, and a paragraph.
Answer:

1. <IMG> tag is used to insert an image within a webpage.
2. src is used to specify the path of an image file.
3. Height specifies the height of the image in pixels.
4. Width specifies the width of the image in pixels.
5. Alt is referred to as alternate text.
6. <IMG> is an empty tag.
7. <hr> tag is used to display horizontal ruled line.
8. color sets the color for the horizontal ruled line.
9. Width specifies the length of the ruled line in % or pixels.
10. Size sets the thickness of a ruled line.
11. <P> tag is used to define paragraphs.

Question 9.
Write a note on creating a table.
Answer:

1. A Table is made up of rows and columns.
2. <table> is used to indicate the creation of a table.
3. <caption> is used to specify a table heading.
4. <tr> tag is used to create each row of the table.
5. <th> indicates table heading.
6. <td> specifies data within the table (cell content).

Question 10.
Discuss the attributes of the table.
Answer:

1. A border attribute is required to display a border for the entire table.
2. Border color displays borders in a specific color.
3. Aligns the table either to the left, right, or center.
4. Bgcolor sets the background color for the table.

Question 11.
Explain Creating hyperlinks in a web page and HTML Link colors.
Answer:

1. Hyperlinks are used to connect one document with another document.
2. In HTML, Links are created by using <a> tag.
3. A Hyperlink by default appears blue in colour with an underline.
4. A Visited link is underlined and purple.
5. An Active link is underlined and blue.

Question 12.
Discuss the Forms in HTML.
Answer:

1. Forms in HTML are used to accept user input.
2. A Form is a collection of different elements also called controls.
3. Name attributes specifies a name to a form.
4. The Action attribute specifies the path where the form is to be submitted.
5. The Method attribute specifies the get or post method to be used when submitting the form data.
6. The default method of submitting form data is GET.
7. The data submitted by using GET is visible in the address bar.
8. The POST method of sending data does not display the form data in the address bar.

Question 13.
Explain the <Input> tag and type of control.
Answer:

1. <Input type = “text”> creates a one-line Textbox.
2. <Input type = “radio”> creates a Radio button.
3. The Radio button allows one option selection against multiple choices.
4. <Input type = “checkbox’^ creates a Checkbox.
5. A checkbox allows more than one selection against multiple choices.
6. <Input type = “submit”> displays a button for Submitting the form data to a server.
7. The Password input type is used to create text contents in the form of ‘*’ asterisk or ‘•’ disc.
8. The Reset control clears the text content entered in the form.
9. <Input type = “Button.”> displays push button which activates on events.

Question 14.
Write down the attributes of <Input>.
Answer:

1. The type describes the name of the control like text radio.
2. The Name attribute is a user-defined value.
3. Maxlength attribute is used with text and password type.
4. Max length specifies the maximum number of characters that can be entered in a text or password box.
5. The ‘Size’ attribute can be used with text and password type.
6. Size specifies the width of the text box.
7. The ‘Checked’ attribute specifies the default selection for options in a checkbox or radio button.
8. The ‘Value’ attribute can be used with text, checkbox, radio, submit or reset.

Question 15.
Explain <Textarea> tag and its attribute.
Answer:

1. The <Textarea> tag is used to create a textbox with multiple lines.
2. Name is used to specify a name for the textarea.
3. Rows specify the number of lines in a text area.
4. Cols specify the width of a text area.
5. Max length specifies the maximum number of characters allowed in the textarea.
6. Placeholder specifies a short hint that describes the expected value of a textarea.
7. Required specifies that textarea must be filled out. i.e. It can not be blank.

Question 16.
Explain the attributes of <select> and <option> tag.
Answer:

1. <select> tag is used to create drop-down list.
2. Name assigns a name to the control.
3. Multiple allows the user to select more than one value.
4. The Size attribute is used to specify the number of visible values.
5. To define the preselected option, the ‘Selected‘ attribute is added to the <option>.
6. Value assigns value to the option specified in the dropdown list.

Question 17.
Write down Scripting in HTML.
Answer:

1. JavaScript was initially created to make web pages alive.
2. A Script is a list of commands that are executed by a scripting engine.
3. Scripts are used to generate dynamic Web pages on the Web.
4. JavaScript can be used for the client-side or server-side scripting language.
5. JavaScript code can be inserted in HTML program between <script> and </script> tag.
6. The language attribute is used to set scripting language.

Question 18.
Explain Variables.
Answer:

1. A Variable is a basic unit of storage in a JavaScript program.
2. The variable name may consist of alphabets, digits and underscore, and dollar characters with the following rules.
3. Standard keywords are not allowed as Variable names.
4. Variable names can be limited to up to 255 characters.
5. Variable name in javascript is declared with keyword ‘var’.

Question 19.
Explain Data Types.
Answer:

1. JavaScript provides data types to store and use different types of values.
2. Numerical value specially belongs to the ‘Number’ data type.
3. Number data types can hold positive as well as negative values.
4. Strings are used for storing text.
5. Boolean type represents only two values ‘true’ and ‘false’.
6. JavaScript returns ‘Undefined’ when a variable is declared but not assigned.

Question 20.
Discuss Operators and types of Operators.
Answer:

1. Operators are used to doing arithmetic and logical operations.
2. Operators that require one operand is called as Unary operator.
3. Operators that require two operands are called Binary operators.
4. Arithmetic operators are used in mathematical expressions.
5. It is important to know that the Assignment operator is not ‘equal to’ operator.
6. The assignment operator is used to assign the value of an expression to a variable.
7. Relational operators are used to checking conditions or comparisons of operands.
8. Logical operators are used to verifying more than one condition at a time or to negate the condition.
9. The increment (++) operator in JavaScript is used to increment the value of the variable by one.
10. Decrement operator in JavaScript is used to decrement the value of the variable by one.

Question 21.
Explain Comments in JavaScript.
Answer:

1. Comments are non-executable statements in the program.
2. Comments are used to provide information or explanation about your programming construct.
3. Statements added in Comments are ignored by JavaScript.

Question 22.
What is Function and commonly used Built-In Functions in JavaScript?
Answer:

1. The function is used to perform repetitive tasks whenever required.
2. The function is a reusable code block that will be executed when it is called.
3. parselnt() function is used to parse a string and convert it into a number
4. parseFloat() function is used to parse a string and convert it into floating-point representation.
5. alert() function displays an alert popup box with an ok button. This is also called a message box
6. prompt() function is used when you want input value from the user at the time of program execution.
7. confirm() function displays a confirmation message box with ok and cancels button
8. toLowerCase() string function used to convert the given string into lower case alphabets
9. toUpperCase() string function is used to convert given string into uppercase alphabets
10. isNaN() returns ‘true’ if given value is not a number. It returns ‘false’ if the given value is a number.

Question 23.
What are User Defined Functions?
Answer:

1. A Function in any scripting and programming language is small part of a program that we require again and again.
2. A Function is a subprogram designed to perform a particular task.
3. Functions can be called either by an event or by giving a call to that function.

Question 24.
Explain Event Handling.
Answer:

1. JavaScript is an event-driven language.
2. An event is an action done by the user or an application.
3. JavaScript lets you execute a code when events are detected.

Question 25.
Explain Event Handler.
Answer:

1. onMouseOut when the user moves the mouse away from an element.
2. onClick when the user clicks an element.
3. onMouseOver when the user moves the mouse over an element.
4. onMouseUp when the user releases a mouse button over an element.

8A. Write Codes in HTML.

Question 1.
My First Page in HTML
Answer:
<html>
<head>
<title> First Page </title>
</head>
<body bgcolor = green >
<font color=”red” size=”20″> This is my first web page
</body>
</html>

Question 2.
Write the the HTML Program which contains Text Formatting Elements.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>Example of HTML5 text formatting tags</title>
</head>
<body>
<b>This text is bold</b><br><br>
<i>This text is italic</i><br><br>
<mark>This text is marked</ mark><br><br>
This is _subscript and ^superscript<br><br>
<ins>This text is inserted to the document</ins><br><br>
<del>This text is deleted from the document</del><br><br>
</body>
</html>

Question 3.
Write down the HTML program which provides six levels of the heading tags.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>Heading levels</title>
</head>
<body bgcolor=skyblue>
<H1>Heading level 1 Text is largest in size</H1>
<H2>Heading level 2</H2>
<H3>Heading level 3</H3>
<H4>Heading level 4</H4>
<H5>Heading level 5</H5>
<H6>Heading level 6 Text is smallest in size</H6>
</body>
</html>

Question 4.
Create a table in HTML which contains 4 rows and 3 columns.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>Table with 4 rows and 3 columns</title>
</head>
<body>
<table border=”2″>
<tr>
<th>Sr. No.</th>
<th>Input Device</th>
<th>Output Device</th>
</tr>
<tr>
<td>1</td>
<td>Keyboard</td>
<td>Monitor</td>
</tr>
<tr>
<td>2</td>
<td>Mouse</td>
<td>Printer</td>
</tr>
<tr>
<td>3</td>
<td> Joystick</td>
<td>Plotter</td>
</tr>
</table>
</body></html>

Question 5.
Create a table in HTML with rowspan attribute.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>Table with rowspan attribute</title>
</head><body>
<table border=”3″>
<tr>
<td rowspan=2>Colors</td>
<td bgcolor=red>Red</td>
</tr>
<tr>
<td bgcolor=green>Green</td>
</tr>
</table>
</body>
</html>

Question 6.
Create a table in HTML with col span attribute.
Answer:
<!DOCTYPE html>
<html>
<head>
<title> Table with colspan</title>
</head>
<body>
<table border =”3″>
<tr>
<td colspan=”2″ align=”center”> Colors </td>
</tr>
<tr>
<td bgcolor=red>Red</td>
<td bgcolor=green>Green</td>
</tr>
</table>
</body>
</html>

Question 7.
Create a Form with input elements in HTML.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>Form with Input elements</title>
</head>
<body bgcolor=”orange”>
<h1>use of form</h1>
<form>
Enter your name
<input type=”text” Name-‘n1″ max length=”20″><Br>
Enter your standard:
<input type=”radio” name=”r1″ value =”11″>
11^th
<input type=”radio” name=”r1″ value=”12″>
12^th<br>
Choose your optional subjects : <br>
<input type=”checkbox” name=”c1″ Value=”Hindi”>Hindi<br>
<input type=”checkbox” name=”c1″ Value=”German”>German<br>
<input type=”checkbox” name=”c1″ Value=”Biology”>Biology<br>
<input type=”checkbox” name=”c1″ Value=”IT”>IT<br>
<input type=”submit” value=”Submit”><br>
</form>
</body>
</html>

Question 8.
Create a Form element and textarea in HTML.
Answer:
<!DOCTYPE html>
<html>
<head>
<title> Form elements and textarea</title>
</head>
<body bgcolor = “cyan” text=”Red”>
<h1> Use of form elements </h1>
<form method = “post” action = “data.php”>
Enter your name:
<input type = “text” name = “fn”> <br>
Select your city :
<select name=”ct”>
<option>Pune</option>
<option>Nagpur</option>
<option>Solapur</option>
</select><br>
Enter your address: <textarea name = “address” rows = “3” cols = “30”placeholder = “your address” required>
</textarea> <br>
<input type = “submit” value = “send”>
</form>
</body>
</html>

Question 9.
Write down the HTML 5 program it includes semantic tags like header, footer & nav.
Answer:
<!Doctype Html>
<html>
<head>
<title> Html 5 program it includes semantic tags like header, footer & nav </title>
</head>
<body bgcolor=yellow>
<header>
<h1>HTML5 includes new semantics</h1>
<p>It includes semantic tags like header, footer, nav </header>
<header>
<h1>Example of complete HTML5 Basics</h1>
<h2>The markup of the future under development.</h2>
</header>
<nav>
<h1><p>The nav element represents a section of navigation links. It is suitable for either site navigation or a table of contents.</p></h1>
<a href=”/”>http://www.gmail.com</a><br><a href=”http://www.facebook.com”>Facebook website</a><br>
</nav>
<aside>
<h1>Other education based websites of State</h1>
<a href=”http://mahahsscboard.ac.in”>State Board website</a><br>
<a href=”http://examinfo.mhhsc.ac.in”>Online Exam Website<a/><br>
</aside>
<section>
<h1>Impressive Web Designing</h1>
<p>The aside element is for content that is tangentially related to the content around it, and is typically useful for marking up sidebars.</p></section><section> <h1>Articles on:Article tag</h1>
</section>
<article>
<p>The article element represents an independent section of a document, page or site. It is suitable for content like news or blog articles, forum posts or individual comments.</p>
</article>
<footer>© 2020 Reliable.</footer>
</body>
</html>

8B. Write a program in Javascript.

Question 1.
Write a JavaScript program to calculate the multiplication of two numbers.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>multiplication of two numbers</title>
</head>
<body bgcolor=”yellow”>
<h1>Program to calculate multiplication of two numbers </h1>
<script language=”javascript”>
var a,b,c;
a=75; b=100.45;
c=a*b;
document.write(“<br><h1>multiplication of two numbers : “+c+”</h1>”);
</script>
</body>
</html>

Question 2.
Write a program to calculate the area of a circle.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>Area of circle</title>
</head>
<body bgcolor=yellow>
<h1> Program to calculate area of circle </h1>
<script language=”javascript”>
var r,area;
r=prompt(“Enter the radius of circle”);
area=3.14*r*r;
document.write(“<h1>you entered radius value: </h1>” +r);
document.write(“<h1>Area of circle is: </h1>”+area);
</script>
</body>
</html>

Question 3.
Write a Program to check number is even or odd.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>Program to check number is even or odd</title>
</head>
<body bgcolor=”green”>
<h1> Program to check number is even or odd </h1>
<script language=”javascript”> var a,b
a=prompt(“Enter your value:-“);
b=parseInt(a);
// input is converted into number data type
if(b%2==0)
alert(“Number is even”); else
alert(“Number is odd”);
</script>
</body>
</html>

Question 4.
Write a Java Script Program which contains Conditional Statement.
Answer:
<!DOCTYPE html>
<html>
<head>
<title>conditional statement</title>
<script language=”javascript”>
function check()
{
var age;
age=form1.t1.value;
if(age>=18)
alert(“Qualifies for driving”);
else
alert(”Does not qualifies for driving”);
}
</script>
</head>
<body>
<form name=”form 1″>
<center>Enter your age:-<input type=”text” name=”t1″><br><br>
<input type=”button” value=”SUBMIT” onClick=”check()”>
</form>
</body>
</html>

Balbharati Maharashtra State Board Class 11 Information Technology Important Questions Chapter 2 Introduction to DBMS Important Questions and Answers.

Maharashtra State Board 11th Information Technology Important Questions Chapter 2 Introduction to DBMS

1. Fill in the Blanks.

Question 1.
A ___________ often abbreviated as DB.
Answer:
Database

Question 2.
___________ is collection of interrelated data.
Answer:
Database

Question 3.
Full for of DBMS is ___________
Answer:
Database Management System

Question 4.
A ___________ is a software for creating and managing databases.
Answer:
Database Management System

Question 5.
The ___________ provides users and programmers with a systematic way to create, retrieve, update and manage data.
Answer:
Database Management System

Question 6.
___________ holds a fixed-length string (can contain letters, numbers, and special characters).
Answer:
CHAR

Question 7.
___________ holds a variable length string (can contain letters, numbers, and special characters).
Answer:
VARCHAR

Question 8.
___________ can represent numbers with or without the fractional part.
Answer:
DECIMAL

Question 9.
___________ is used for storing integer values.
Answer:
INT

Question 10.
___________ holds the date including day, month and year.
Answer:
DATE

Question 11.
___________ holds time. Format: HH:MM:SS.
Answer:
TIME()

Question 12.
This logical structure of database is known as a ___________
Answer:
Model

Question 13.
___________ define how the data is connected to each other and how they are processed and stored inside the system.
Answer:
Data model

Question 14.
___________ describes the method of storing and retrieving the data.
Answer:
Data model

Question 15.
___________ is the primary data model, which is used widely around the world for data storage and processing.
Answer:
Relational data model

Question 16.
___________ is simple and has all the properties and capabilities required to process data with storage efficiency.
Answer:
Relational data model

Question 17.
___________ ensures that all operations within the work unit are completed successfully.
Answer:
Atomicity

Question 18.
___________ ensures that the database properly changes states upon a successfully committed transaction.
Answer:
Consistency

Question 19.
___________ enables transactions to operate independently of and transparent to each other.
Answer:
Isolation

Question 20.
___________ ensures that the result or effect of a committed transaction persists in case of a system failure.
Answer:
Durability

Question 21.
RDBMS stands for ___________
Answer:
Relational Database Management System

Question 22.
In ___________ a database is considered as a collection of interrelated data.
Answer:
Relational Database Management System

Question 23.
The ___________ is the basic data storage unit in a Relational database.
Answer:
Table

Question 24.
___________ consists of columns and rows.
Answer:
Table

Question 25.
A ___________ consists of one or more tables according to which data is stored in a table.
Answer:
Database

Question 26.
___________ designer decides the name of the table and titles of columns.
Answer:
Database

Question 27.
A ___________ is composed of fields and contains all the data about one particular person, company, or item in a database.
Answer:
Record

Question 28.
Record is also called as a ___________
Answer:
Tuple

Question 29.
A column or a combination of columns that can be used to identify one or more rows (tuples) in a table is called a ___________ of the table.
Answer:
Key

Question 30.
The group of one or more columns used to uniquely identify each row of a relation is called its ___________
Answer:
Primary Key

Question 31.
___________ is a field (or collection of fields) in one table that refers to the Primary Key in another table.
Answer:
Foreign Key

Question 32.
___________ link data from individual tables to increase the usefulness of the database.
Answer:
Relationships

Question 33.
A ___________ in the context of databases, is a situation that exists between two relational database tables.
Answer:
Relationship

Question 34.
In a ___________ relationship, one record in a table is associated with one and only one record in another table.
Answer:
One-to-One

Question 35.
___________ relationships can also be viewed as Many-to-One relationships, depending on which way you look at it.
Answer:
One-to-Many

Question 36.
A ___________ relationship occurs when multiple records in a table are associated with multiple records in another table.
Answer:
Many-to-Many

Question 37.
Full form of SQL is ___________
Answer:
Structured Query Language

Question 38.
___________ is the standard language for Relational Database Management System.
Answer:
Structured Query Language

Question 39.
Full form of DDL is ___________
Answer:
Data Definition Language

Question 40.
___________ statements or commands are used to define and modify the database structure of your tables or schema.
Answer:
Data Definition Language

Question 41.
Full form of DML is ___________
Answer:
Data Manipulation Language

Question 42.
___________ statements or commands are used for managing data within tables.
Answer:
Data Manipulation Language

Question 43.
Full form of DCL is ___________
Answer:
Data Control Language

Question 44.
___________ is used to control user access in a database.
Answer:
Data Control Language

2. True or False.

Question 1.
A database is often abbreviated as DB.
Answer:
True

Question 2.
Hardware is a collection of interrelated data.
Answer:
False

Question 3.
The full form of DBMS is Database Management System.
Answer:
True

Question 4.
A Database Management System is software for creating and managing databases.
Answer:
True

Question 5.
Information Technology provides users and programmers with a systematic way to create, retrieve, update and manage data.
Answer:
False

Question 6.
DECIMAL holds a fixed-length string (can contain letters, numbers, and special characters).
Answer:
False

Question 7.
VARCHAR holds a variable-length string (can contain letters, numbers, and special characters).
Answer:
True

Question 8.
CHAR can represent numbers with or without the fractional part.
Answer:
False

Question 9.
INT is used for storing integer values.
Answer:
True

Question 10.
TIME() holds the date including day, month, and year.
Answer:
False

Question 11.
DATE holds time. Format: HH:MM:SS.
Answer:
False

Question 12.
This logical structure of the database is known as a computer.
Answer:
False

Question 13.
Information Technology defines how the data is connected to each other and how they are processed and stored inside the system.
Answer:
False

Question 14.
The data model describes the method of storing and retrieving the data.
Answer:
True

Question 15.
The relational data model is the primary data model, which is used widely around the world for data storage and processing.
Answer:
True

Question 16.
The relational data model is simple and has all the properties and capabilities required to process data with storage efficiency.
Answer:
True

Question 17.
Consistency ensures that all operations within the work unit are completed successfully.
Answer:
False

Question 18.
Atomicity ensures that the database properly changes states upon a successfully committed transaction.
Answer:
False

Question 19.
Isolation enables transactions to operate independently of and be transparent to each other.
Answer:
True

Question 20.
Durability ensures that the result or effect of a committed transaction persists in case of a system failure.
Answer:
True

Question 21.
RDBMS stands for Relational Database Management System.
Answer:
True

Question 22.
In Relational Database Management System a database is considered as a collection of interrelated data.
Answer:
True

Question 23.
The Table is the basic data storage unit in a Relational database.
Answer:
True

Question 24.
The table consists of columns and rows.
Answer:
True

Question 25.
A record consists of one or more tables according to which data is stored in a table.
Answer:
False

Question 26.
The record designer decides the name of the table and the titles of columns.
Answer:
False

Question 27.
A Tuple is composed of fields and contains all the data about one particular person, company, or item in a database.
Answer:
False

Question 28.
Record is also called a Tuple.
Answer:
True

Question 29.
A column or a combination of columns that can be used to identify one or more rows (tuples) in a table is called a Key of the table.
Answer:
True

Question 30.
The group of one or more columns used to uniquely identify each row of a relation is called its Primary Key.
Answer:
True

Question 31.
Foreign Key is a field (or collection of fields) in one table that refers to the Primary Key in another table.
Answer:
True

Question 32.
Relationships link data from individual tables to increase the usefulness of the database.
Answer:
True

Question 33.
A Relationship in the context of databases is a situation that exists between two relational database tables.
Answer:
True

Question 34.
In a Many-to-Many relationship, one record in a table is associated with one and only one record in another table.
Answer:
False

Question 35.
One-to-Many relationships can also be viewed as Many-to-One relationships, depending on which way you look at them.
Answer:
True

Question 36.
A One-to-One relationship occurs when multiple records in a table are associated with multiple records in another table.
Answer:
False

Question 37.
The full form of SQL is Structured Query Language.
Answer:
True

Question 38.
Data Definition Language is the standard language for Relational Database Management System.
Answer:
False

Question 39.
The full form of DDL is Data Definition Language.
Answer:
True

Question 40.
Structured Query Language statements or commands are used to define and modify the database structure of your tables or schema.
Answer:
False

Question 41.
The full form of DML is Data Manipulation Language.
Answer:
True

Question 42.
Data Definition Language statements or commands are used for managing data within tables.
Answer:
False

Question 43.
The full form of DCL is Data Control Language.
Answer:
True

Question 44.
Data Manipulation Language is used to control user access in a database.
Answer:
False

3. Multiple Choice Question (Single Choice)

Question 1.
A ___________ often abbreviated as DB.
(A) Database
(B) Direct Banking
(C) Data Bank
(D) Direct Bank
Answer:
(A) Database

Question 2.
___________ is a collection of interrelated data.
(A) Database
(B) Direct Banking
(C) Data Bank
(D) Direct Bank
Answer:
(A) Database

Question 3.
Full form of DBMS is ___________
(A) Database Machine System
(B) Direct Banking Management System
(C) Data Bank Management
(D) Database Management System
Answer:
(D) Database Management System

Question 4.
A ___________ is a software for creating and managing databases.
(A) Database
(B) Direct Banking
(C) Data Bank
(D) Database Management System
Answer:
(D) Database Management System

Question 5.
The ___________ provides users and programmers with a systematic way to create, retrieve, update and manage data.
(A) Database
(B) Direct Banking
(C) Data Bank
(D) Database Management System
Answer:
(D) Database Management System

Question 6.
___________ holds a fixed-length string (can contain letters, numbers, and special characters).
(A) CHAR
(B) VARCHAR
(C) DECIMAL
(D) INT
Answer:
(A) CHAR

Question 7.
___________ holds a variable-length string (can contain letters, numbers, and special characters).
(A) CHAR
(B) VARCHAR
(C) DECIMAL
(D) INT
Answer:
(B) VARCHAR

Question 8.
___________ can represent numbers with or without the fractional part.
(A) CHAR
(B) VARCHAR
(C) DECIMAL
(D) INT
Answer:
(C) DECIMAL

Question 9.
___________ is used for storing integer values.
(A) CHAR
(B) VARCHAR
(C) DECIMAL
(D) INT
Answer:
(D) INT

Question 10.
___________ holds the date including day, month and year.
(A) DATE
(B) TIME()
(C) CHAR
(D) VARCHAR
Answer:
(A) DATE

Question 11.
___________ holds time. Format: HH:MM:SS.
(A) DATE
(B) TIME()
(C) CHAR
(D) VARCHA
Answer:
(B) TIME()

Question 12.
This logical structure of database is known as a ___________
(A) Model
(B) Data model
(C) Storage and Processing
(D) Relational data model
Answer:
(A) Model

Question 13.
___________ define how the data is connected to each other and how they are processed and stored inside the system.
(A) Model
(B) Data model
(C) Storage and Processing
(D) Relational data model
Answer:
(B) Data model

Question 14.
___________ describes the method of storing and retrieving the data.
(A) Model
(B) Data model
(C) Storage and Processing
(D) Relational data model
Answer:
(B) Data model

Question 15.
___________ is the primary data model, which is used widely around the world for data storage and processing.
(A) Model
(B) Data model
(C) Storage and Processing
(D) Relational data model
Answer:
(D) Relational data model

Question 16.
___________ is simple and has all the properties and capabilities required to process data with storage efficiency.
(A) Model
(B) Data model
(C) Storage and Processing
(D) Relational data model
Answer:
(D) Relational data model

Question 17.
___________ ensures that all operations within the work unit are completed successfully.
(A) Atomicity
(B) Consistency
(C) Isolation
(D) Durability
Answer:
(A) Atomicity

Question 18.
___________ ensures that the database properly changes states upon a successfully committed transaction.
(A) Atomicity
(B) Consistency
(C) Isolation
(D) Durability
Answer:
(B) Consistency

Question 19.
___________ enables transactions to operate independently of and transparent to each other.
(A) Atomicity
(B) Consistency
(C) Isolation
(D) Durability
Answer:
(C) Isolation

Question 20.
___________ ensures that the result or effect of a committed transaction persists in case of a system failure.
(A) Atomicity
(B) Consistency
(C) Isolation
(D) Durability
Answer:
(D) Durability

Question 21.
RDBMS stands for ___________
(A) Relational Database Management System
(B) Regional Database Management System
(C) Recovery Database Management System
(D) Recovery Database Microsoft System
Answer:
(A) Relational Database Management System

Question 22.
In ___________ a database is considered as a collection of interrelated data.
(A) Relational Database Management System
(B) Regional Database Management System
(C) Recovery Database Management System
(D) Recovery Database Microsoft System
Answer:
(A) Relational Database Management System

Question 23.
The ___________ is the basic data storage unit in a Relational database.
(A) Table
(B) Database
(C) Record
(D) Tuple
Answer:
(A) Table

Question 24.
___________ consists of columns and rows.
(A) Table
(B) Database
(C) Record
(D) Tuple
Answer:
(A) Table

Question 25.
A ___________ consists of one or more tables according to which data is stored in a table.
(A) Table
(B) Database
(C) Record
(D) Tuple
Answer:
(B) Database

Question 26.
___________ designer decides the name of the table and titles of columns.
(A) Table
(B) Database
(C) Record
(D) Tuple
Answer:
(B) Database

Question 27.
A ___________ is composed of fields and contains all the data about one particular person, company, or item in a database
(A) Table
(B) Database
(C) Record
(D) Tuple
Answer:
(C) Record

Question 28.
Record is also called as a ___________
(A) Table
(B) Database
(C) Record
(D) Tuple
Answer:
(D) Tuple

Question 29.
A column or a combination of columns that can be used to identify one or more rows (tuples) in a table is called a ___________ of the table.
(A) Key
(B) Primary Key
(C) Foreign Key
(D) Table
Answer:
(A) Key

Question 30.
The group of one or more columns used to uniquely identify each row of a relation is called its ___________
(A) Key
(B) Primary Key
(C) Foreign Key
(D) Table
Answer:
(B) Primary Key

Question 31.
___________ is a field (or collection of fields) in one table that refers to the Primary Key in another table.
(A) Key
(B) Primary Key
(C) Foreign Key
(D) Table
Answer:
(C) Foreign Key

Question 32.
___________ link data from individual tables to increase the usefulness of the database.
(A) Relationships
(B) Primary Key
(C) Foreign Key
(D) Table
Answer:
(A) Relationships

Question 33.
A ___________ in the context of databases, is a situation that exists between two relational database tables.
(A) Relationship
(B) Primary Key
(C) Foreign Key
(D) Table
Answer:
(A) Relationship

Question 34.
In a ___________ relationship, one record in a table is associated with one and only one record in another table.
(A) One-to-One
(B) One-to-Many
(C) Many-to-Many
(D) Database
Answer:
(A) One-to-One

Question 35.
___________ relationships can also be viewed as Many-to-One relationships, depending on which way you look at it.
(A) One-to-One
(B) One-to-Many
(C) Many-to-Many
(D) Database
Answer:
(B) One-to-Many

Question 36.
A ___________ relationship occurs when multiple records in a table are associated with multiple records in another table.
(A) One-to-One
(B) One-to-Many
(C) Many-to-Many
(D) Database
Answer:
(C) Many-to-Many

Question 37.
Full form of SQL is ___________
(A) Structured Query Language
(B) Structured Question Language
(C) Sequence Question Language
(D) Simple Query Language
Answer:
(A) Structured Query Language

Question 38.
___________ is the standard language for Relational Database Management System.
(A) Structured Query Language
(B) Structured Question Language
(C) Sequence Question Language
(D) Simple Query Language
Answer:
(A) Structured Query Language

Question 39.
Full form of DDL is ___________
(A) Data Definition Language
(B) Database Device Language
(C) Device Definition Language
(D) Data Division Language
Answer:
(A) Data Definition Language

Question 40.
___________ statements or commands are used to define and modify the database structure of your tables or schema.
(A) Data Definition Language
(B) Database Device Language
(C) Device Definition Language
(D) Data Division Language
Answer:
(A) Data Definition Language

Question 41.
Full form of DML is ___________
(A) Data Manipulation Language
(B) Data Machine Language
(C) Data Management Language
(D) Device Manipulation Language
Answer:
(A) Data Manipulation Language

Question 42.
___________ statements or commands are used for managing data within tables.
(A) Data Manipulation Language
(B) Data Machine Language
(C) Data Management Language
(D) Device Manipulation Language
Answer:
(A) Data Manipulation Language

Question 43.
Full form of DCL is ___________
(A) Dynamic Control Language
(B) Data Control Language
(C) Data Control List
(D) Dynamic Control List
Answer:
(B) Data Control Language

Question 44.
___________ is used to control user access in a database.
(A) Dynamic Control Language
(B) Data Control Language
(C) Data Control List
(D) Dynamic Control List
Answer:
(B) Data Control Language

4. Multiple Choice Two Correct Answers.

Question 1.
A Database Management System is a software for ___________ and ___________ databases.
(A) Creating
(B) Storing
(C) Retrieving
(D) Managing
(E) Processing
Answer:
(A) Creating, (D) Managing

Question 2.
Data model describes the method of ___________ and ___________ the data.
(A) Creating
(B) Storing
(C) Retrieving
(D) Managing
(E) Processing
Answer:
(B) Storing, (C) Retrieving

Question 3.
Relational data model is the primary data model, which is used widely around the world for ___________ and ___________
(A) Creating
(B) Storing
(C) Retrieving
(D) Data storage
(E) Processing
Answer:
(D) Data storage, (E) Processing

Question 4.
Relational data model is simple and has all the ___________ and ___________ required to process data with storage efficiency.
(A) Properties
(B) Capabilities
(C) Retrieving
(D) Data storage
(E) Processing
Answer:
(A) Properties, (B) Capabilities

Question 5.
A table consists of information which is stored under different headings, called as ___________ or ___________
(A) Properties
(B) Fields
(C) Capabilities
(D) Retrieving
(E) Columns
Answer:
(B) Fields, (E) Columns

Question 6.
Table consists of ___________ and ___________
(A) Properties
(B) Fields
(C) Capabilities
(D) Columns
(E) Rows
Answer:
(D) Columns, (E) Rows

Question 7.
A Database consists of one or more ___________ according to which ___________ is stored in a table.
(A) Tables
(B) Data
(C) Capabilities
(D) Columns
(E) Rows
Answer:
(A) Tables, (B) Data

Question 8.
Database designer decides the name of the ___________ and ___________ of columns.
(A) Schema
(B) Table
(C) Fields
(D) Titles
(E) Capabilities
Answer:
(B) Table, (D) Titles

Question 9.
Data Definition Language statements or commands are used to define and modify the database structure of your ___________ or ___________
(A) Table
(B) Schema
(C) Fields
(D) Titles
(E) Capabilities
Answer:
(A) Table, (B) Schema

5. Multiple Choice Three Correct Answers.

Question 1.
Database Management System stores data in such a way that it becomes easier to ___________, ___________ and ___________
(A) Retrieve
(B) Hierarchical
(C) Manipulate
(D) Update Information
(E) Network
Answer:
(A) Retrieve, (C) Manipulate, (D) Update Information

Question 2.
There are different data models like ___________ model, ___________ model and ___________ model.
(A) Network
(B) Hierarchical
(C) Relational
(D) Retrieve
(E) Manipulate
Answer:
(A) Network, (B) Hierarchical, (C) Relational

Question 3.
There are 3 types of relationships in relational database design ___________, ___________ & ___________
(A) Retrieve
(B) Manipulate
(C) One-to-One
(D) One-to-Many (or Many-to-One)
(E) Many-to-Many
Answer:
(C) One-to-One, (D) One-to-Many (or Many-to-One), (E) Many-to-Many

Question 4.
SQL is Structured Query Language, which is a computer language for ___________, ___________ and ___________ data stored in a relational database.
(A) Relational
(B) Storing
(C) Manipulating
(D) Retrieving
(E) Network
Answer:
(B) Storing, (C) Manipulating, (D) Retrieving

6. Match the following.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Question 8.

Answer:

7. Answer Briefly.

Question 1.
What are Database and DBMS?
Answer:

1. A Database is often abbreviated as DB.
2. A database is a collection of interrelated data.
3. Full form of DBMS is Database Management System
4. A Database Management System is software for creating and managing databases.
5. The Database Management System provides users and programmers with a systematic way to create, retrieve, update and manage data.

Question 2.
Discuss the various Data types.
Answer:

1. CHAR holds a fixed-length string (can contain letters, numbers, and special characters).
2. VARCHAR holds a variable-length string (can contain letters, numbers, and special characters).
3. DECIMAL can represent numbers with or without the fractional part.
4. INT is used for storing integer values.
5. DATE holds the date including day, month, and year.
6. TIME() holds time. Format: HH:MM:SS.

Question 3.
Explain Data Model and Relational Model.
Answer:

1. This logical structure of the database is known as a Model.
2. The data model defines how the data is connected to each other and how they are processed and stored inside the system.
3. The data model describes the method of storing and retrieving the data.
4. The relational data model is the primary data model, which is used widely around the world for data storage and processing.
5. The relational data model is simple and has all the properties and capabilities required to process data with storage efficiency.

Question 4.
Write down the Properties of Transactions.
Answer:

1. Atomicity ensures that all operations within the work unit are completed successfully.
2. Consistency ensures that the database properly changes states upon a successfully committed transaction.
3. Isolation enables transactions to operate independently of and be transparent to each other.
4. Durability ensures that the result or effect of a committed transaction persists in case of a system failure.

Question 5.
Explain the concept of RDBMS.
Answer:

1. RDBMS stands for Relational Database Management System.
2. In Relational Database Management System a database is considered as a collection of interrelated data.

Question 6.
Discuss the basic database concept.
Answer:

1. The Table is the basic data storage unit in a Relational database.
2. The table consists of columns and rows.
3. A database consists of one or more tables according to which data is stored in a table.
4. The database designer decides the name of the table and the titles of columns.
5. A record is composed of fields and contains all the data about one particular person, company, or item in a database.
6. Record is also called a Tuple,
7. A column or a combination of columns that can be used to identify one or more rows (tuples) in a table is called a Key of the table.
8. The group of one or more columns used to uniquely identify each row of a relation is called its Primary Key.
9. Foreign Key is a field (or collection of fields) in one table that refers to the Primary Key in another table.

Question 7.
Explain Relationships in the database.
Answer:

1. Relationships link data from individual tables to increase the usefulness of the database.
2. A Relationship in the context of databases is a situation that exists between two relational database tables.

Question 8.
Discuss the types of relationships in Relational Database Design.
Answer:

1. In a One-to-One relationship, one record in a table is associated with one and only one record in another table.
2. One-to-Many relationships can also be viewed as Many-to-One relationships, depending on which way you look at them.
3. A Many-to-Many relationship occurs when multiple records in a table are associated with multiple records in another table.

Question 9.
What is SQL and categories of SQL commands?
Answer:

1. The full form of SQL is Structured Query Language.
2. Structured Query Language is the standard language for Relational Database Management Systems.
3. The full form of DDL is Data Definition Language.
4. Data Definition Language statements or commands are used to define and modify the database structure of your tables or schema.
5. The full form of DML is Data Manipulation Language.
6. Data Manipulation Language statements or commands are used for managing data within tables.
7. The full form of DCL is Data Control Language.
8. Data Control Language is used to control user access in a database.