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O Level Computer Science past papers

2210/12/O/N/25 · O Level Computer Science October/November 2025 Paper 12

7 questions, 75 marks. Each one links to its official mark scheme.

  1. Question 1 · 13 marks · Number systems, Computer architecture, Input and output devices, Data storage
  2. Question 2 · 7 marks · Number systems
  3. Question 3 · 4 marks · Types of programming language, translators and IDEs
  4. Question 4 · 11 marks · Computer architecture
  5. Question 5 · 10 marks · Types of software and interrupts, Types and methods of data transmission
  6. Question 6 · 14 marks · The internet and the world wide web, Cyber security
  7. Question 7 · 16 marks · Robotics, Input and output devices, Artificial intelligence, Computer architecture, Data storage, Methods of error detection

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