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Finding and correcting errors past paper questions

O Level Computer Science 2210 · Algorithm design and problem-solving. Identify errors in given algorithms and suggest ways of correcting these errors Programming

It came up in 12 of 34 papers, for about 5 marks a paper when it does. It last came up in October/November 2025.

Often set with Programming concepts, Standard methods (searching, sorting, totalling, counting), Test data and trace tables, Validation and verification.

15 questions, newest first

1. 2210/22/O/N/25 Question 2 part (a) · 5 marks
2. 2210/23/O/N/25 Question 5 part (b) · 2 marks
3. 2210/23/O/N/25 Question 7 part (a) · 3 marks
4. 2210/21/M/J/25 Question 6 part (a) · 4 marks
5. 2210/21/M/J/25 Question 10 part (b) · 4 marks
6. 2210/22/M/J/25 Question 5 part (a) · 5 marks
7. 2210/22/O/N/24 Question 4 part (a) · 5 marks
8. 2210/22/O/N/24 Question 7 part (c) · 2 marks
9. 2210/23/O/N/24 Question 9 · 4 marks
10. 2210/21/M/J/24 Question 4 part (a) · 4 marks
11. 2210/22/M/J/24 Question 7 part (b) · 3 marks
12. 2210/22/O/N/23 Question 4 part (a) · 4 marks
13. 2210/23/O/N/23 Question 5 part (a) · 3 marks
14. 2210/21/M/J/23 Question 5 part (a) · 4 marks
15. 2210/22/M/J/23 Question 7 part (b) · 3 marks

More in Algorithm design and problem-solving: Development life cycle and decomposition, Explaining the purpose of an algorithm, Standard methods (searching, sorting, totalling, counting), Validation and verification, Test data and trace tables, Writing and amending algorithms.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.