Spec H446
Free OCR A Level Computer Science revision: past papers from 2017–2025 with mark schemes.
Computer systems (Component 01)
The characteristics of contemporary processors, input, output and storage devices
Software and software development
Exchanging data
Data types, data structures and algorithms
Legal, moral, cultural and ethical issues
Algorithms and programming (Component 02)
Elements of computational thinking
Problem solving and programming
Algorithms
Programming project - non-exam assessment (Component 03 or 04)
Analysis of the problem (10 marks)
Design of the solution (15 marks)
Developing the solution (25 marks)
Evaluation (20 marks)
Reference appendices
Mathematical skills
Languages and Boolean logic guide for use in external assessments
Entity relationship diagrams
Computer systems (Component 01)
The characteristics of contemporary processors, input, output and storage devices
Software and software development
Exchanging data
Data types, data structures and algorithms
Legal, moral, cultural and ethical issues
Algorithms and programming (Component 02)
Elements of computational thinking
Problem solving and programming
Algorithms
Programming project - non-exam assessment (Component 03 or 04)
Analysis of the problem (10 marks)
Design of the solution (15 marks)
Developing the solution (25 marks)
Evaluation (20 marks)
Reference appendices
Mathematical skills
Languages and Boolean logic guide for use in external assessments
Entity relationship diagrams
