9618/21/O/N/25 · Computer Science October/November 2025 Paper 21
8 questions, 75 marks. Each one links to its official mark scheme.
- Question 1 · 10 marks · Programming Basics, Program Testing and Maintenance, Language Translators
- Question 2 · 5 marks · Algorithms
- Question 3 · 9 marks · Data Types and Records, Arrays
- Question 4 · 9 marks · Constructs, Files
- Question 5 · 6 marks · Arrays, Constructs
- Question 6 · 9 marks · Data Integrity, Programming Basics
- Question 7 · 10 marks · Program Design
- Question 8 · 17 marks · Arrays, Data Types and Records
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.