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Computer Science 9618

Cambridge A Levels · 12 sessions · 2019–2025

Computer Science notes →
Year
Session
SessionPaperQuestion paperMark scheme
May/June 2025Paper 1 · Variant 11QP ↓MS ↓
May/June 2025Paper 1 · Variant 12QP ↓MS ↓
May/June 2025Paper 2 · Variant 21QP ↓MS ↓
May/June 2025Paper 2 · Variant 22QP ↓MS ↓
May/June 2025Paper 3 · Variant 31QP ↓MS ↓
May/June 2025Paper 3 · Variant 32QP ↓MS ↓
May/June 2025Paper 4 · Variant 41QP ↓MS ↓
May/June 2025Paper 4 · Variant 42QP ↓MS ↓

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Exam tips for Computer Science

  1. 01Paper 1: 2's complement, floating point, Unicode — all tested annually.
  2. 02Paper 2: OOP — write pseudocode for classes, inheritance, and polymorphism.
  3. 03Paper 3: file handling, queues, stacks, linked lists — draw diagrams while solving.
  4. 04Paper 4 (Practical): test your code in a real IDE — Cambridge accepts VB and Python.
  5. 05Big-O: compare sorting algorithms — bubble O(n²), merge sort O(n log n), binary search O(log n).