User:Elina

Subject: Computer Science                                     Unit: 7
Class: 7                                                      Topic: Computer Network & its components
Time: 10min

Specific Objective:

At the end of this lesson, student will be able :

• To define computer network
• To idetify its components

Teaching aids:

• Whiteboard and marker
• Laptop and Projector

Introduction(2min):

• Computer network is a system in which multiple computer are connected to each other to share information and resource.

figure:

Main Components (5min):

1. NIC(Network Interface Card)component of compter network
2. Switch
3. Cable
4. Hub
5. Modem
6. Router

Uses(3min):

1. Communicating using email, video, instant messaging etc
2. Sharing device such as printer, Scanners etc
3. Sharing files
4. Sharing software and operating program on remote system
5. Allowing network user to easily access and maintain information

Assignments:

Define computer networks with its components.

How computer network influence in our life?