Edexcel · GCSE

GCSE Computer Science Topics

151 lessons across 2 units

This is the complete topic map for the Edexcel GCSE Computer Science course — every unit and topic from the specification in one place: 151 lessons across 2 units, from Paper 1: Principles of Computer Science to Paper 2: Application of Computational Thinking. Each topic below opens a focused revision lesson, so revision can start from the course as the exam board organises it — not from a guess about what might come up.

Paper 1: Principles of Computer Science121 lessons

Appendix 2: Flowchart symbols

Paper 2: Application of Computational Thinking30 lessons

Topic 6: Problem solving with programming

What Edexcel GCSE Computer Science covers

The course is organised into 2 units: Paper 1: Principles of Computer Science (121 lessons) and Paper 2: Application of Computational Thinking (30 lessons). Together that's 151 lessons — the whole course, with nothing skipped and nothing added.

How to revise with this page

Little and often beats cramming. One topic a night, done properly — read it, try the questions, check yourself — moves a grade more than a weekend binge the week before the exam. The list above is deliberately complete so you can tick through it a topic at a time.

Start from what's coming up, not from the beginning. If a class test or mock is near, open the unit it covers and work through those topics first. Between assessments, work through units in order — later topics usually build on earlier ones.

For parents:you don't need to know the subject to help. Ask which topic tonight's lesson was, open it here, and let them teach it back to you — explaining something out loud is one of the most effective revision techniques there is. Signed-in students see ticks appear on this page as topics are completed, so progress through the course is visible at a glance.

Common questions

What topics are in Edexcel GCSE Computer Science?

Edexcel GCSE Computer Science covers 151 topics across 2 units: Paper 1: Principles of Computer Science and Paper 2: Application of Computational Thinking. Each topic on this page opens a focused revision lesson.

How many topics are in Edexcel GCSE Computer Science?

There are 151 topics in Edexcel GCSE Computer Science, grouped into 2 units.

Is this the full Edexcel GCSE Computer Science specification?

Yes — this page lists every unit and topic on the Edexcel GCSE Computer Science specification, in the order the exam board organises it. Nothing is skipped and nothing is added.

Edexcel GCSE Computer Science revision lessons

Free revision pages, matched to the specification. No sign-in needed.