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Computer Science 2210

Cambridge O 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 1 · Variant 13QP ↓MS ↓
May/June 2025Paper 2 · Variant 21QP ↓MS ↓
May/June 2025Paper 2 · Variant 22QP ↓MS ↓
May/June 2025Paper 2 · Variant 23QP ↓MS ↓

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Exam tips for Computer Science

  1. 01Paper 1 (Theory): binary, hex, Boolean algebra and networking are the highest-frequency topics.
  2. 02Paper 2 (Problem Solving): write pseudocode in Cambridge style — use WHILE, FOR, IF/ENDIF.
  3. 03Trace tables: update EVERY variable on EVERY row — never skip.
  4. 04Boolean simplification: apply De Morgan's laws and draw logic gates from expressions.
  5. 05Networks: know bus, star, and mesh topologies with their advantages/disadvantages.