This unit guides learners to gain an understanding of computer networks as required for GCSE Computer Science. It starts by defining what networks are and where we find them in our modern world. Then, learners look at the hardware involved in creating networks. In this unit, you will use Raspberry Pi computers to create a network and demonstrate to learners how data is shared across networks.



Lesson 1 - What are networks?

In this lesson, learners will be introduced to computer networks and learn a little about the history of computer networking. They will learn about the different parts of computer hardware involved in creating computer networks, and then identify some of the advantages and disadvantages of using computer networks...

Lesson 3 - Real-world networks

In this lesson, learners will further develop their understanding of networks. They will look at the three main types of networks, LAN, WAN, and PAN, and at the different topologies that these networks can use in their design. Learners will carry out an activity in which they will plan a business network to meet...

Lesson 4 - Networks and servers

In this lesson, learners will be introduced to the concepts of peer-to-peer and server–client network models. First, they will create a virtual peer-to-peer network, and gain an understanding of how data is shared in such a network and what the pitfalls of this network model are. Then, they will be able to connect...

Lesson 5 - Internet and WWW

In this lesson, learners will be introduced to the fundamental difference between the internet and the World Wide Web. They will also learn some of the key points from the history of the development of these two systems. They will then look at the components that make up the internet and the World Wide Web. Next,...


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