ICT Notes for Class 7 Networking

Networking

Welcome to the chapter on Networking for Class 7. In this chapter, you will learn what computer networks are, why they are important, and how they help us share information. By the end of this chapter, you will understand the basics of networking and its uses in daily life!

Introduction

Networking means connecting computers together so they can share information and resources. Networks are used at home, in schools, offices, and all over the world.

Types of Networks

LAN (Local Area Network): Connects computers in a small area like a room or building.
WAN (Wide Area Network): Connects computers over large distances, like cities or countries.
MAN (Metropolitan Area Network): Connects computers in a city or town.

Why Do We Need Networks?

To share files and data easily.
To use printers and other devices together.
To communicate quickly using email and chat.
To access the internet.

Network Devices

Router: Connects different networks and helps send data.
Switch: Connects computers in a network and manages data flow.
Modem: Connects a network to the internet.

Wired and Wireless Networks

Wired Network: Uses cables to connect computers.
Wireless Network: Uses Wi-Fi to connect computers without cables.

Fun Activity: Draw a Network!

Draw a picture showing computers, a router, and a printer all connected together. Show which are wired and which are wireless!

Summary

Networking connects computers to share information.
LAN, WAN, and MAN are types of networks.
Networks can be wired or wireless.
Routers, switches, and modems are important network devices.

Practice Questions

What is a network?
Name two types of networks.
What does a router do?
What is the difference between wired and wireless networks?
Why do we use networks?

Challenge Yourself

List three devices you can connect to a network.
Draw and label a simple network for your home or school.

Did You Know?

The internet is the largest network in the world!
Wi-Fi lets you connect to a network without any wires.

Glossary

Network: A group of connected computers.
Router: A device that connects networks.
Switch: A device that connects computers in a network.
Modem: A device that connects a network to the internet.
Wi-Fi: Wireless technology for connecting devices.

Answers to Practice Questions

A network is a group of computers connected together to share information.
LAN and WAN (or MAN).
A router connects different networks and helps send data.
Wired networks use cables; wireless networks use Wi-Fi.
To share files, use devices, communicate, and access the internet.

Networking helps us stay connected and share information easily!

ICT Class 7 - Networking Notes