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Logic gates and circuits past paper questions

O Level Computer Science 2210 · Boolean logic. 10 Boolean logic 1 Identify and use the standard symbols for logic gates 2 Define and understand the functions of logic gates 3 (a) Use logic gates to create given logic circuits from a: (i) problem statement (ii) logic expression (iii) truth table (b) Complete a truth table from a: (i) problem statement (ii) logic expression (iii) logic circuit (c) Write a logic expression from a: (i) problem statement (ii) logic circuit (iii) truth table See section 4 for logic gate symbols Including: – NOT – AND – OR – NAND – NOR – XOR (EOR) – the binary output produced from all the possible binary inputs NOT is a single input gate All other gates are limited to two inputs Circuits must be drawn for the statement given, without simplification Logic circuits will be limited to a maximum of three inputs and one output An example truth table with three inputs, for completion: A B C Output 0 0 0 0 0 1 0 1

In Cambridge O Level Computer Science 2210, Logic gates and circuits came up in 22 of the 34 papers on Paperstreak, for about 9 marks a paper when it does. It last came up in October/November 2025.

25 questions, newest first

  1. 2210/22/O/N/25 Question 6 · 8 marks
  2. 2210/23/O/N/25 Question 4 parts (c(i)) (c(ii)) · 6 marks
  3. 2210/21/M/J/25 Question 7 · 8 marks
  4. 2210/22/M/J/25 Question 8 · 8 marks
  5. 2210/22/O/N/24 Question 9 · 8 marks
  6. 2210/23/O/N/24 Question 3 · 4 marks
  7. 2210/23/O/N/24 Question 8 · 4 marks
  8. 2210/21/M/J/24 Question 8 · 9 marks
  9. 2210/22/M/J/24 Question 2 · 4 marks
  10. 2210/22/M/J/24 Question 8 · 7 marks
  11. 2210/22/O/N/23 Question 9 · 8 marks
  12. 2210/23/O/N/23 Question 6 · 11 marks
  13. 2210/21/M/J/23 Question 9 · 8 marks
  14. 2210/22/M/J/23 Question 2 · 4 marks
  15. 2210/22/M/J/23 Question 8 · 4 marks
  16. 2210/12/O/N/22 Question 7 · 6 marks
  17. 2210/13/O/N/22 Question 5 · 10 marks
  18. 2210/11/M/J/22 Question 8 · 10 marks
  19. 2210/12/M/J/22 Question 5 · 9 marks
  20. 2210/12/O/N/21 Question 11 · 11 marks
  21. 2210/11/M/J/21 Question 6 · 10 marks
  22. 2210/12/M/J/21 Question 3 · 10 marks
  23. 2210/13/O/N/20 Question 10 · 8 marks
  24. 2210/11/M/J/20 Question 2 · 9 marks
  25. 2210/12/M/J/20 Question 4 · 8 marks

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