AQA GCSE Computer Science (8525) revision

10 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 Base Camp Number bases ⏱️ 8 min Big Debates Impacts of digital technology on wider society ⏱️ 20 min Hard or Soft? Hardware and software ⏱️ 14 min Network Navigator Fundamentals of computer networks ⏱️ 12 min Race the Algorithms Efficiency of algorithms ⏱️ 22 min Search Party Searching algorithms ⏱️ 8 min Table Talk Relational databases ⏱️ 16 min Threat Spotter Fundamentals of cyber security ⏱️ 15 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.

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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

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