a group of devices connected together, wirelessly or using cables, to enable communication

a computer that stores, manages and shares files, data and resources in a network

a device that requests services, files or resources from a server on a network

a device that manages the flow of data between computer networks

An introduction to computer networks

Computing

Protocols and IP addresses

Wired and wireless networks

The internet

Exploring the World Wide Web (WWW)

Internet of Things

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.

Computer networks and data transmission

a set of rules used to allow devices to communicate with each other

a unique number assigned to each device on a network, used to identify it and allow it to send or receive data

uses a cable to connect a device to a network

the transmission of data between devices without using physical cables or wires

the maximum amount of data that can be transferred over a communication channel

a global system of interconnected computer networks

a service provided via the internet that allows users to access and navigate linked content, such as web pages

a networked computer that stores and provides web pages and other data on request

Hypertext Transfer Protocol, a set of rules that allows data such as web pages to be sent and received across the WWW

the Hypertext Transfer Protocol Secure is a set of rules that allows data to be encrypted and exchanged securely via the WWW

a segment of data, usually part of a larger message

a network of everyday devices that are connected to the internet and can communicate with each other

the protection of an individual's personal information and the control over how it is used

Computer networks and data transmission

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