OCR GCSE Computer Science

These pages are based on the OCR GCSE Computer Science 2020 specification. This website is in no way affiliated with OCR.

Component One

1. Systems Architecture

1.1a - The CPU

1.1b - Registers & FE Cycle

1.2 - CPU Performance

1.3 - Embedded Systems

2. Memory & Storage

2.1 - Primary Storage

2.2 - Secondary Storage

2.3 - Units

2.4a - Number Storage

2.4b - Character Storage

2.4c - Image Storage

2.4d - Sound Storage

2.5 - Compression

3. Networks

3.1a - Network Types & Performance

3.1b - Network Hardware & Internet

3.2a - Wired & Wireless networks

3.2b - Protocols & Layers

4. Network Security

4.1 - Network Threats

4.2 - Preventing Vulnerabilities

5. Systems Software

5.1 - Operating Systems

5.2 - Utility Software

6. Impacts

6.1a - Impacts of Technology

6.1b - Legislation

Component Two

1. Algorithms

1.1 - Computational Thinking

1.2 - Designing Algorithms

1.3 - Searching & Sorting Algorithms

3. Producing Robust Programs

3.1 - Defensive Design

3.2 - Testing

4. Boolean Logic

4.1 - Boolean Logic

5. Languages & IDEs

5.1 - Languages & Translators

5.2 - Integrated Development Environment