Year 7 - Computing
An introduction to computer networks
Computer networks and data transmission
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will explore the impact networks have on our daily lives. They will define what a network is and explore the benefits of networking, before covering how data is transmitted across networks using protocols. They will investigate different types of network and hardware required.
Lesson Summary
You will learn to describe a local network and its components.
Key Notes
- Devices on networks connect for communication and resource sharing.
- Networks rely on specialised hardware.
- Devices on networks perform different roles in order to exchange information.
Vocabulary To Learn
- network: a group of devices connected together, wirelessly or using cables, to enable communication
- server: a computer that stores, manages and shares files, data and resources in a network
- client: a device that requests services, files or resources from a server on a network
- router: a device that manages the flow of data between computer networks
Common Mistakes To Avoid
- On a network, servers, clients and routers have the same purpose.
3 Quick Questions (With Answers)
1. Describe the system or process from this lesson in clear steps.
Devices on networks connect for communication and resource sharing. Networks rely on specialised hardware.
2. Define this computing term and give one practical example. 'network'
a group of devices connected together, wirelessly or using cables, to enable communication. Add one real device or system example to prove understanding.
3. Correct this common computing misconception.
Mistake: On a network, servers, clients and routers have the same purpose. Correction: Servers, clients and routers have distinct roles and functionalities in a network. They are not interchangeable and serve different purposes.
More Lessons In This Unit
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