O Level Computer Science past papers
2210/23/O/N/25 · O Level Computer Science October/November 2025 Paper 23
10 questions, 75 marks. Each one links to its official mark scheme.
- Question 1 · 3 marks · Programming concepts
- Question 2 · 4 marks · Programming concepts
- Question 3 · 1 mark · Programming concepts
- Question 4 · 14 marks · Writing and amending algorithms, Validation and verification, Logic gates and circuits
- Question 5 · 6 marks · Test data and trace tables, Finding and correcting errors
- Question 6 · 9 marks · Test data and trace tables, Standard methods (searching, sorting, totalling, counting)
- Question 7 · 8 marks · Finding and correcting errors, Programming concepts, Validation and verification
- Question 8 · 5 marks · Databases and SQL
- Question 9 · 10 marks · Programming concepts, File handling
- Question 10 · 15 marks · Writing and amending algorithms
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.