Computer Science

a global system of interconnected computer networks

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

Internet fundamentals

How data travels across the internet

Protocols

Network models

Hosting services

Web technologies

Threats to networks

Network security

In this unit pupils will explore how data travels across the internet. They will explore how protocols define communication between devices and the purpose of common network protocols. They will investigate the risks to networks and the methods that can be used to protect a network.

The internet and web technologies

a global network connecting millions of devices

a collection of interlinked webpages accessed via browsers

sharing documents or data with others online

Match each term to its correct description:

What information does a browser use to find a specific website?

Which service is not typically provided over the internet?

What is the term for the network of everyday objects that can connect and exchange data using the internet?

The World Wide Web is stored in a single location.

The World Wide Web is made up of many websites hosted around the world.

The World Wide Web can be accessed using browsers.

The World Wide Web uses the internet to share information.

Which of the following statements about the World Wide Web is not accurate?

Which device connects computers in a network to share data and resources?

What is the main function of an email client?

Type the website address into the browser.

Put these steps for accessing a website in the correct order:

Which of the following is an example of a web browser?

Which of the following is an example of an email address?

This lesson will be removed by end of Summer Term 2025.

Internet fundamentals

Lesson outcome

This lesson will be removed by end of Summer Term 2025.