That Blue Square Thing

Key Guides:
PDF iconBinary maths - a summary
This is just a summary of the key binary maths methods needed. For more detail see the Unit 3 pages.
A single slide to check when you're asked "how many binary numbers can you represent with 5 bits" or "what is the largest number you can represent using 3 bits". That confusing bit. For more detail see the Unit 3 pages.
PDF iconFormulae - the ones you need to know
This is the 3 (or 5) formulae you need to know for unit 3.

AQA Computer Science GCSE

Weekly Revision Questions

This page is up to date for the new AQA 8525 syllabus for exams from 2022.

Revision questions each week.

25 February: Binary and Hex Q - SQL Q - Logic Q - Paper 1 Q

> Answers

Quizzes

All the quizzes in one place:

Unit 3 Binary and Hex Quiz - Unit 3 Representation Quiz

Unit 4 Quiz

Unit 5 Quiz 1 - Unit 5 Quiz 2 - Unit 5 protocols quiz

Unit 6 quiz