AQA GCSE Computer Science
Exam Questions By Topic

Algorithms, Decomposition & Abstraction, Systematic Approach to Problem Solving, Algorithm Inputs, Processes & Outputs, Tracing Algorithms

Algorithm Efficiency

Linear Search, Binary Search, Comparing Linear Search & Binary Search Algorithms

Merge Sort, Bubble Sort, Comparing Merge Sort & Bubble Sort Algorithms

Data Types & Casting

Inputs & Outputs, Variables, Constants & Assignments, Basic Programming Concepts, Iteration, Introduction to Subroutines

Arithmetic, Relational & Boolean Operations

Data Structures, Arrays, Records

String Manipulation

Random Number Generation

Using Subroutines, Structured Programming

Data Validation, Authentication Routines, Testing Algorithms, Types of Errors

Number Bases, Bit Patterns

Converting Between Decimal & Binary, Converting Between Decimal & Hexadecimal, Converting Between Binary & Hexadecimal

Units of Data, Binary Addition, Binary Shifts, Representing Characters, Representing Images, Representing Sound, Compression, Compression - Huffman Coding, Compression - Run Length Encoding

Hardware & Software, Software, The Purpose & Functionality of Operating Systems, The Purpose & Functionality of Utility Software

Boolean Logic Diagrams, Combining Boolean Operators, Truth Tables

Levels of Programming Langauges, Translators

CPU Components & Their Function, Characteristics of the CPU, Fetch-Execute Cycle, Embedded Systems

Different Types of Memory, RAM & ROM

The Need for Secondary Storage, Common Types of Storage, Cloud Storage

Types of Network, Wired & Wireless Networks, Wired & Wireless Networks 2026-exams, LAN Topologies 2026-exams, Network Protocols, Network Protocols 2026-exams, Network Security, The Concept of Layers

Cyber Security & Threats

Methods of Preventing Cyber Security Threats

Relational Databases, Structured Query Language (SQL)

Impacts of Digital Technology on Wider Society, Legislation in Computer Science