AQA GCSE Computer Science (8525) revision

35 free interactive Computer Science revision modules for AQA GCSE, matched to the AQA GCSE Computer Science (8525) specification.

Revision modules

Algorithm Detective Representing algorithms ⏱️ 9 min Array Architect Data structures ⏱️ 16 min Base Camp Number bases ⏱️ 8 min Big Debates Impacts of digital technology on wider society ⏱️ 20 min Binary Builder Binary arithmetic ⏱️ 16 min Boolean Bootcamp Boolean operations ⏱️ 16 min Break the Code Robust and secure programming ⏱️ 16 min Control Flow Lab Programming concepts ⏱️ 24 min Conversion Clinic Converting between number bases ⏱️ 22 min Hard or Soft? Hardware and software ⏱️ 14 min Input and Output Input/output ⏱️ 15 min Inside the Machine Systems architecture ⏱️ 18 min Lock It Down Methods to detect and prevent cyber security threats ⏱️ 15 min Logic Gatekeeper Boolean logic ⏱️ 24 min Lost in Translation Programming languages and translators ⏱️ 16 min MOD and DIV Gym Arithmetic operations ⏱️ 16 min Network Navigator Fundamentals of computer networks ⏱️ 12 min Pixel Perfect Representing images ⏱️ 16 min Query Quest SQL ⏱️ 24 min Race the Algorithms Efficiency of algorithms ⏱️ 22 min Roll the Dice Random number generation ⏱️ 15 min Search Party Searching algorithms ⏱️ 8 min Secret Codes Character encoding ⏱️ 15 min Size Matters Units of information ⏱️ 15 min Sort It Out Sorting algorithms ⏱️ 16 min Sound Wave Lab Representing sound ⏱️ 15 min Squash It Data compression ⏱️ 16 min String Surgeon String handling ⏱️ 16 min Subroutine Studio Structured programming and subroutines ⏱️ 16 min System Sorter Software classification ⏱️ 16 min Table Talk Relational databases ⏱️ 16 min Threat Spotter Fundamentals of cyber security ⏱️ 15 min Threat Spotter II Cyber security threats ⏱️ 24 min True or False? Relational operations ⏱️ 16 min Type Match Data types ⏱️ 14 min

Past papers for this specification

AQA GCSE Computer Science past papers 25 official documents · 2022-2025

Question papers, mark schemes and examiner reports, free and straight from the exam board. Revise a topic here first, then mark yourself against a real paper.

Open the past papers All Computer Science past papers

What the specification covers

3.1 Fundamentals of algorithms

3.1.1 Representing algorithms
3.1.2 Efficiency of algorithms
3.1.3 Searching algorithms
3.1.4 Sorting algorithms

3.2 Programming

3.2.1 Data types
3.2.2 Programming concepts
3.2.3 Arithmetic operations
3.2.4 Relational operations
3.2.5 Boolean operations
3.2.6 Data structures
3.2.7 Input/output
3.2.8 String handling
3.2.9 Random number generation
3.2.10 Structured programming and subroutines
3.2.11 Robust and secure programming

3.3 Fundamentals of data representation

3.3.1 Number bases
3.3.2 Converting between number bases
3.3.3 Units of information
3.3.4 Binary arithmetic
3.3.5 Character encoding
3.3.6 Representing images
3.3.7 Representing sound
3.3.8 Data compression

3.4 Computer systems

3.4.1 Hardware and software
3.4.2 Boolean logic
3.4.3 Software classification
3.4.4 Programming languages and translators
3.4.5 Systems architecture

3.5 Fundamentals of computer networks

3.5 Networks, topologies and protocols

3.6 Cyber security

3.6.1 Fundamentals of cyber security
3.6.2 Cyber security threats
3.6.3 Methods to detect and prevent cyber security threats

3.7 Relational databases and SQL

3.7.1 Relational databases
3.7.2 SQL

3.8 Ethical, legal and environmental impacts of digital technology

3.8 Impacts of digital technology on wider society

Revise Computer Science the fun way

Interactive activities, XP and streaks, matched to your exam board. Free to start.

Start revising free