1. How Computers Work

2. Objectives What Explain what a computer network is. Explain the advantages and disadvantages of a network. Why To understand how computers work. How Active Participator

3. Levels Level 4 Be able to explain what a network is. Level 5 To be able to explain the advantages and disadvantages of a computer network. Level 6 To be able to explain the advantages and disadvantages of different network layouts.

4. What is a Computer Network? Two or more connected computers which share information.

5. A school network

6. An office network

7. A home network

8. How to make a network? Networking equipment

9. First you need two or more computers. When a computer is attached to a network it is called a “Workstation”

10. Network Interface Card

11. Each computer must have a network interface card

12. Network Cable

13. Now they can communicate

14. What if you have three or more computers? We use a switch or a hub to connect them together

15. workstation

16. Why do we use Computer Networks?

17. Task – Research and Assessment Task Your task is to create a Poster Select one of the networks three networks (Star, Bus and Ring) 1 piece of Network equipment and at least 3 Advantages and Disadvantages of Networking Create an A4 poster on your chosen network detailing the networks layout, advantages and disadvantages The best ones will go on the wall

18. Peer review – What level is your partner? Level 4 Be able to explain what a network is. Level 5 To be able to explain a couple of advantages and disadvantages of a computer network and be able to identify at least one network layout Level 6 To be able to explain a number of advantages and disadvantages to using networked computers and to be able to identify at least one network layout and explain its strength and weakness. Level 6-7 To be able to explain a number of advantages and disadvantages to using networked computers and to be able to identify at least two different network layouts and discuss their strengths and weaknesses.