OCR•J277
OCR GCSE Computer Science
11 sections · 90 revision notes, with key terms, exam tips and past papers
Starts with Purpose of the CPU, free to read.
Specification
Paper 1
1.1 Systems Architecture
CPU Architecture · CPU Performance · Embedded Systems6 notes
1.1.1 CPU Architecture
1.1.2 CPU Performance
1.1.3 Embedded Systems
1.2 Memory and Storage
Primary Storage · Secondary Storage · Data Units · Data Storage · Compression28 notes
1.2.1 Primary Storage
1.2.2 Secondary Storage
1.2.4 Data Storage
- Denary and Binary Conversion Pro
- Binary Addition and Overflow Pro
- Denary and Hexadecimal Conversion Pro
- Binary and Hexadecimal Conversion Pro
- Binary Shifts Pro
- Binary Character Representation Pro
- Character Sets Pro
- Bits per Character and Capacity Pro
- Binary Image Representation Pro
- Image Metadata Pro
- Colour Depth and Resolution Pro
- Digital Sound Sampling Pro
- Sound Quality and File Size Pro
1.2.5 Compression
1.3 Computer Networks and Protocols
Networks and Topologies · Networks, Protocols and Layers12 notes
1.3.1 Networks and Topologies
1.3.2 Networks, Protocols and Layers
1.4 Network Security
Threats to Computer Systems and Networks · Identifying and Preventing Vulnerabilities2 notes
1.4.1 Threats to Computer Systems and Networks
1.4.2 Identifying and Preventing Vulnerabilities
1.5 Systems Software
Operating Systems · Utility Software3 notes
1.5.1 Operating Systems
1.5.2 Utility Software
1.6 Impacts of Digital Technology
Ethical, Legal, Cultural, and Environmental Impacts3 notes
1.6.1 Ethical, Legal, Cultural, and Environmental Impacts
- Impacts of Digital Technology on Wider Society Free
- Computer Science Legislation 2 notes