Computer Science

OCR GCSE Computer Science (J277)

50% Exam Paper 1 + 50% Exam Paper 2
Cornell Notes Template (.docx)
Keywords and definitions (Paper 1) Keywords and definitions (Paper 2)
1.1 1.2 1.3 1.4 1.5 1.6 2.1 2.2 2.3 2.4 2.5

1.1 Systems architecture

Topic Overview Sheet – 1.1 Systems architecture (.docx)
1.1.1 – Architecture of the CPU
Slides Architecture of the CPU (.pptx)
1.1.2 – CPU Performance
Slides – CPU Performance (.pptx)
1.1.3 – Embedded Systems
Slides – Embedded Systems (.pptx)

1.2 Memory and storage

Topic Overview Sheet – 1.2 Memory and storage (.docx)
1.2.1 – Primary Storage
Slides – Primary Storage (.pptx)
1.2.2 – Secondary Storage
Slides – Secondary Storage (.pptx)
1.2.3 – Units
Slides – Units (.pptx)
Worksheet – Units (.docx)
Worksheet – Programming task (.docx)
1.2.4 – Data Storage
Slides – Storing Numbers (.pptx)
Slides – Storing Characters (.pptx)
Slides – Storing Images (.pptx)
Slides – Storing Sound (.pptx)
Worksheet – Programming Tasks (.docx)
1.2.5 – Compression
Slides – Compression (.pptx)

1.3 Computer networks, connections and protocols

Topic Overview Sheet – 1.3 Computer networks, connections and protocols (.docx)
Student Workbook – 1.3.1 Networks and Topologies
Student Workbook – 1.3.2 Wired and wireless networks, protocols and layers
1.3.1 – Networks and topologies
Slides – Types of network (.pptx)
Slides – Network Performance (.pptx)
Slides – Client/Server & Peer2Peer (.pptx)
Slides – Network Hardware (.pptx)
Slides – Internet (.pptx)
Slides – Topologies (.pptx)
1.3.2 – Wired and wireless networks, protocols and layers
Slides – Modes of Connection (.pptx)
Slides – Encryption (.pptx)
Slides – Addressing (.pptx)
Slides – Standards (.pptx)
Slides – Common Protocols (.pptx)
Slides – Layers (.pptx)

1.4 Network security

Topic Overview Sheet – 1.4 Network security (.docx)
Student Workbook – 1.4 Network Security
1.4.1 – Threats
Slides – Threats (.pptx)
1.4.2 – Preventing Vulnerabilities
Slides – Vulnerabilities (.pptx)

1.5 Systems software

Topic Overview Sheet – 1.5 Systems software (.docx)
Student Workbook – 1.5 Systems Software
1.5.1 – Operating Systems
Slides – Operating Systems (.pptx)
1.5.2 – Utility Software
Slides – Utility Software (.pptx)

1.6 Ethical, legal, cultural and environmental impacts of digital technology

Topic Overview Sheet – 1.6 Ethical, legal, cultural and environmental impacts of digital technology (.docx)
Student Workbook – 1.6 Impact of Technology
1.6.1 – Impact of Digital Technology
Slides – Impact of Digital Technology (.pptx)
1.6.1 – Legislation
Slides – Legislation (.pptx)

2.1 Algorithms

Topic Overview Sheet – 2.1 Algorithms (.docx)
2.1.1 – Computational Thinking
Slides – Computational Thinking (.pptx)
2.1.2 – Designing, Creating and Refining Algorithms
Slides – Designing, Creating and Refining Algorithms (.pptx)
2.1.3 – Sorting & Searching Algorithms
Slides – Sorting & Searching Algorithms (.pptx)

2.2 Programming fundamentals

Topic Overview Sheet – 2.2 Programming fundamentals (.docx)
2.2.1 – Programming Fundamentals
Slides – Programming Fundamentals (.pptx)
2.2.2 – Data Types
Slides – Data Types (.pptx)
2.2.3 – Additional Programming Techniques
Slides – Additional Programming Techniques (.pptx)

2.3 Producing robust programs

Topic Overview Sheet – 2.3 Producing robust programs (.docx)
2.3.1 – Defensive Design
Slides – Defensive Design (.pptx)
2.3.2 – Testing
Slides – Testing – (.pptx)

2.4 Boolean logic

Topic Overview Sheet – 2.4 Boolean logic (.docx)
2.4.1 – Boolean Logic
Slides – Boolean Logic (.pptx)

2.5 Programming languages and Integrated Development Environments

Topic Overview Sheet – 2.5 Programming languages and Integrated Development Environments (.docx)
2.5.1 – Languages
Slides – Languages (.pptx)
2.5.2 – IDEs
Slides – IDEs (.pptx)