1. Computational Thinking

Decomposition & Abstraction

Decomposition & Abstraction

Benefits of Using Subprograms

Algorithms

Follow & Write Algorithms

Introduction to Programming Concepts

Basic Programming Concepts

Variables, Constants & Assignments

Data Structures & Arrays

Arithmetic, Relational & Logical Operations

Determine Outputs of an Algorithm

Types of Errors

Standard Sorting Algorithms

Standard Searching Algorithms

Algorithm Efficiency

Truth Tables

Boolean Logic Diagrams

Combining Boolean Operators

Truth Tables

2. Data

Binary

Bit Patterns

Number Bases

Signed & Unsigned Integers

Converting Between Denary & 8-Bit Binary

Binary Addition

Converting Between Hexadecimal & Binary

Data Representation

Representing Characters

Representing Images

Representing Sound

Limitations of Binary

Data Storage & Compression

Units of Data

Compression

3. Computers

Hardware

CPU Components & Their Function

Von Neumann Architecture

The Role of Secondary Storage

Common Types of Storage

Embedded Systems

Software

The Purpose & Functionality of Operating Systems

The Purpose & Functionality of Utility Software

Developing Robust Software

Programming Languages

Programming Languages

Compilers & Interpreters

4. Networks

Networks

Types of Networks

Structure of the Internet

Wired & Wireless Networks

Network Speeds

Network Protocols

Network Layers

Network Topologies

Network Security

The Importance of Network Security

Methods of Protecting Networks

5. Issues & Impact of Digital Technology

Environmental Issues

Environmental Issues

Ethical & Legal Issues

Personal Data

Artificial Intelligence, Machine Learning & Robotics

Intellectual Property

Cybersecurity

Threats to Digital Systems

Methods of Protecting Digital Systems

6. Problem Solving with Programming

Develop Code

Using Decomposition & Abstraction

Read, Write, Analyse & Refine Programs

Convert Algorithms

Techniques to Maintain Programs

Identify, Locate & Correct Program Errors

Evaluating Programs

Constructs

Fundamental Components of Programs

Sequence & Selection

Repetition & Iteration

Data Structures & Sub-Programs

Data Types & Data Structures

Programming Primitive Data Types

Programming String Manipulation

Programming File Handling

Programming Validation

Programming Authentication

Operators

Programming Operators

Subprograms

Programming Using Pre-Existing Libraries

Programming Functions & Procedures

Exam boards

• OCR GCSE Computer Science
• AQA GCSE Computer Science

Study tools

• Edexcel GCSE Computer Science · Past Papers

Related links

• GCSE Computer Science · Revision Notes
• GCSE Computer Science · Exam Questions
• GCSE Computer Science · Flashcards
• GCSE Computer Science · Past Papers
• GCSE Computer Science · Glossary