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

1.2 Decomposition and Abstraction

The decomposition and abstraction topic relates closely to the computational thinking and programming topics. Students should be able to analyse problems and design solutions, as well as break problems down into smaller (sub) problems. Abstraction of real life concepts is also an essential skill. Click here for recommended Edexcel GCSE Computer Science textbooks.

1.2 Decomposition and Abstraction

Computational thinking lesson resources

Computational Thinking unit - PG Online

This free unit from PG Online is optimized for the OCR A-Level syllabyus. However the key parts - problem recognition, decomposition, and so on - are applicable to a wide range of courses and specifications.


Updated: 2017-10-17