Teach Computing

Revision notes, activities, lesson plans, teaching ideas, and other resources for GCSE, A-Level, and IB Computer Science teachers and students.

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Device specifications

Device Specifications is a simple site with a huge database of smart phones...

Smart phone specs explained

This excellent site is a detailed guide to smart phone specifications, expl...

Software as a Service (Saas)

This short video gives an overview of Software as a Service (SaaS), which s...

Amazon EC2 - Elastic Cloud Server

Amazon Elastic Cloud (Amazon EC) is a good example of Infrastructure as a S...

Changeover notes

IGCSE ICT provide short but clear notes and diagrams covering the different...

CommandPoint CAD

CommandPoint by Northrop Grumman offers a range of CAD systems for various ...

CAD+911 System

TriTech Software Systems is a company that specialises in Computer Aided Di...

London Ambulance CAD failure

The 1992 London Ambulance Service CAD failure is probably the most notoriou...

Washington State 911 Failure

A 911 emergency telephone system in Washington State and Oregon shut down f...

Resources discount offer

5.3 The Internet and the World Wide Web

Lesson resources

Networks Banned Words game
Networks revision game
Recommended GCSE Computer Science textbooks
Edexcel Computer Science textbooks
Communications & the Internet keyword bingo game
Communications & the Internet keyword bingo game

5.3.1 Internet Structure and Routing

Packets, Routing and Reliability

The Internet: Packets, Routing and Reliability

This is an excellent video which clearly explained how data is split into packets which are then routed across the Internet. The animated diagrams are particularly useful for helping students visualise how packets can take different routes across the Internet in response to faults or heavy traffic.

Updated: 2016-10-17
IP addresses and DNS

IP addresses and DNS

An overview video covering IP addresses and the workings of DNS.

Updated: 2016-10-17

5.3.2 The World Wide Web


Edexcel GCSE Computer Science: The Internet & the Web

The internet and the world wide web is closely related to, and builds upon, topic Networks. This video covers all of the theory for this component, including HTML and CSS. Of course, practical activities are also essential to understand these last two topics.

Updated: 2016-10-17