OCR A Level Computer Science past papers
10 OCR A Level Computer Science papers from 2021 to 2025, 10 with a mark scheme and 10 with an examiners' report. Every link opens the document on OCR's own website; we list them in one place and show which topics each series tested.
Which topics come up most
The topics that have carried the most marks across the OCR A Level Computer Science papers we have tagged question by question. Topics with a revision guide link to it.
| Topic | Questions | Marks | Papers |
|---|---|---|---|
| Data Structures and Their Operations | 13 | 248 | 7 of 8 |
| Problem Solving and Programming | 10 | 200 | 6 of 8 |
| Structure and Function of the Processor | 5 | 127 | 4 of 8 |
| Algorithms: Complexity, Searching and Sorting | 7 | 121 | 4 of 8 |
| Elements of Computational Thinking | 4 | 91 | 3 of 8 |
| Types of Software and Development Methodologies | 4 | 78 | 4 of 8 |
| Object-Oriented Programming | 3 | 67 | 3 of 8 |
| Data Representation and Theory of Computation | 5 | 60 | 5 of 8 |
| Databases, SQL and Normalisation | 3 | 59 | 3 of 8 |
| Computer Architecture, Assembly and the LMC | 2 | 59 | 2 of 8 |
| Networking and the Internet | 2 | 38 | 2 of 8 |
| Legal, Moral, Cultural and Ethical Issues | 4 | 36 | 4 of 8 |
| Advanced Algorithms: Searching, Sorting and Path-Finding | 2 | 34 | 2 of 8 |
| Boolean Algebra, Logic Gates and Karnaugh Maps | 3 | 30 | 3 of 8 |
| Exchanging Data: Databases, Networks and Web Technologies | 1 | 23 | 1 of 8 |
Counted from our own question-by-question tagging of 8 papers. A question that tests two topics counts towards both, so the marks column ranks topics rather than adding up to a paper total. Showing the top 15 of 16 topics.
All OCR A Level Computer Science papers by year
June 2025
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Computer systems | Question paperMark schemeExaminers' report |
| Paper 2: Algorithms and programming | Question paperMark schemeExaminers' report |
June 2024
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Computer systems | Question paperMark schemeExaminers' report |
| Paper 2: Algorithms and programming | Question paperMark schemeExaminers' report |
June 2023
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Computer systems | Question paperMark schemeExaminers' report |
| Paper 2: Algorithms and programming | Question paperMark schemeExaminers' report |
June 2022
| Paper | Official documents (OCR) |
|---|---|
| Paper 1: Computer systems | Question paperMark schemeExaminers' report |
| Paper 2: Algorithms and programming | Question paperMark schemeExaminers' report |
November 2021
| Paper | Official documents (OCR) |
|---|---|
| Paper 1 | Question paperMark schemeExaminers' report |
| Paper 2 | Question paperMark schemeExaminers' report |
Revise before you sit one
A Level Computer Science past papers from other boards
- AQA A Level Computer Science12 papers
- CCEA A Level Computer Science20 papers
- Eduqas A Level Computer Science18 papers
- WJEC A Level Computer Science30 papers
Other OCR A Level past papers
Practise the questions, not just the papers.
The past-paper tool lists every indexed Computer Science question by topic, with its paper, question number, marks and page, so you can sit only the ones you need.