Chapter 5
Computer Network and the Internet
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Exercises

1. Fill in the blanks:

(a) The World Wide Web is generally called________.

Ans: the Web

(b) A website is a collection of _________ information. containing digital contents and

Ans: web pages

(c) _________ is commonly known as 'email'.

Ans: Electronic Mail

(d) _________is a bigger version of LAN.

Ans: WAN (Wide Area Network)

2. Match Column (A) with Column (B):

Column A

Column B

Search Engine
Microsoft Edge
Web Browser
Airtel
Email
wordpress.com
Web site
Google
ISP
Gmail

Ans: 

Column A

Column B

Search Engine
Google
Web Browser
 Microsoft Edge 
Email
 Gmail 
Web site
wordpress.com 
ISP
Airtel


3. Answer the following:

(a) What is computer network?

Ans: A computer network is a group of interconnected computers and devices that share resources, data, and applications using wired or wireless communication.

(b) What are the common types of computer networks?

Ans: 
LAN (Local Area Network) – for small areas like homes or schools
MAN (Metropolitan Area Network) – covers cities
WAN (Wide Area Network) – covers large areas like countries or continents

(c) What is Uniform Resource Locator?

Ans: Uniform Resource Locator (URL) is the address of a specific webpage or file on the Internet.
Example: https://www.example.com

(d) Write the name of the program that helps us to view and access websites.

Ans: Web Browser
Examples: Google Chrome, Microsoft Edge, Mozilla Firefox

(e) What is network protocol? Give a few examples.

Ans: A network protocol is a set of rules that governs data communication over networks.
Examples: 
HTTP (HyperText Transfer Protocol)
HTTPS (Secure HTTP)
FTP (File Transfer Protocol)
TCP/IP (Transmission Control Protocol/Internet Protocol)

(f) What is email?

Ans: Email (Electronic Mail) is a method of sending and receiving digital messages over the Internet between people using computers or smartphones.

(g) Write some uses of the Internet.

Ans: 
Sending emails and messages
Searching for information
Online shopping and banking
Social media and communication
Online education and E-learning
Watching videos, listening to music, and entertainment

(h) Write a note on E-learning.

Ans: E-learning refers to learning through electronic devices such as computers, tablets, or smartphones using the Internet. It includes online classes, digital study materials, video lectures, quizzes, and interactive platforms. E-learning allows flexible, remote, and self-paced education.



EDITING BY-DEEPA DAS.