An introduction to computer networks
I can describe a local network and its components.
An introduction to computer networks
I can describe a local network and its components.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- 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.
Keywords
Network - a group of devices connected together, wirelessly or using cables, to enable communication
Server - a computer on a network that provides a service like storing files or web pages
Client - a device on a network that requests a service from a server
Router - a device that connects different computer networks together and directs data between them
Common misconception
On a network, servers, clients and routers have the same purpose.
Servers, clients and routers have distinct roles and functionalities in a network. They are not interchangeable and serve different purposes.
Equipment
Licence
This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Lesson video
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