Welcome. This is a revision resource for OCR's A-level Computer Science course, with notes covering each section of the subject. Eventually, we hope to offer comprehensive coverage of the whole A-level specification. In the meantime, you can contribute by improving pages here.
Given this is a public resource that anyone can edit, please note there is no guarantee of validity. You are encouraged to cross-check information with other sources, such as OCR-endorsed or reputable textbooks, and to correct any false information if you can.
This A-level comprises of both written, externally-examined papers and coursework.
| Computer systems | Algorithm and programming |
|---|---|
| The characteristics of contemporary processors, input, output and storage devices | Elements of computational thinking |
| Software and software development | Problem solving and programming |
| Exchanging data | Algorithms |
| Data types, data structures and algorithms | |
| Legal, moral, cultural and ethical issues |
| Paper 1 | Paper 2 | Coursework |
|---|---|---|
| Computer systems | Algorithms and programming | Programming project |
| 140 marks | 140 marks | 70 marks |
| 2 hours 30 minutes | 2 hours 30 minutes | |
| Written paper | Written paper | Coursework |
| 40% of total A-level | 30% of total A-level | 20% of total A-level |
- 17 August, 2023
Results for May/June 2023 released to students