Past Papers
2210Cambridge O Levels
Computer Science Past Papers
12 exam sessions — 2019 to 2025
Exam Tips for Computer Science
- 1Paper 1 (Theory): binary, hex, Boolean algebra and networking are the highest-frequency topics.
- 2Paper 2 (Problem Solving): write pseudocode in Cambridge style — use WHILE, FOR, IF/ENDIF.
- 3Trace tables: update EVERY variable on EVERY row — never skip.
- 4Boolean simplification: apply De Morgan's laws and draw logic gates from expressions.
- 5Networks: know bus, star, and mesh topologies with their advantages/disadvantages.
Question Papers
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Study Notes for Computer Science