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Data Integrity past paper questions

Computer Science 9618 · Security, privacy and data integrity. Validation and verification; range, format, length, presence, existence, limit and check digit; visual checking and double entry; byte/block parity and checksums.

It came up in 36 of 104 papers, for about 5 marks a paper when it does. It last came up in October/November 2025.

Often set with Data Security, Program Testing and Maintenance, Multimedia, Ethics and Ownership.

38 questions, newest first

  1. 9618/12/O/N/25 Question 1 · 2 marks
  2. 9618/12/O/N/25 Question 6 parts (c(i)) (c(ii)) · 2 marks
  3. 9618/13/O/N/25 Question 7 parts (c) (e) · 6 marks
  4. 9618/21/O/N/25 Question 6 part (a) · 2 marks
  5. 9618/11/M/J/25 Question 7 part (c) · 3 marks
  6. 9618/11/M/J/24 Question 5 part (b) · 5 marks
  7. 9618/13/M/J/24 Question 7 part (f(i)) · 4 marks
  8. 9618/13/O/N/23 Question 3 part (c) · 4 marks
  9. 9618/13/O/N/23 Question 8 part (a) · 2 marks
  10. 9618/12/M/J/23 Question 2 part (c(i)) · 2 marks
  11. 9618/13/M/J/23 Question 4 parts (d(i)) (d(ii)) (d(iii)) · 5 marks
  12. 9618/22/M/J/23 Question 8 part (a) · 7 marks
  13. 9618/23/M/J/23 Question 2 parts (b(i)) (b(ii)) · 4 marks
  14. 9618/12/O/N/22 Question 4 · 6 marks
  15. 9618/11/M/J/22 Question 4 part (d) · 4 marks
  16. 9618/13/M/J/22 Question 5 parts (b(i)) (b(ii)) (b(iii)) · 7 marks
  17. 9618/22/M/J/22 Question 7 part (b) · 2 marks
  18. 9618/11/O/N/21 Question 2 parts (b(i)) (b(ii)) · 4 marks
  19. 9618/13/O/N/21 Question 2 parts (b(i)) (b(ii)) · 4 marks
  20. 9608/11/M/J/21 Question 6 parts (a) (b) (c) (e) · 8 marks
  21. 9608/12/M/J/21 Question 5 parts (e(i)) (e(ii)) (f) · 7 marks
  22. 9608/13/M/J/21 Question 1 · 7 marks
  23. 9618/11/M/J/21 Question 6 · 3 marks
  24. 9618/13/M/J/21 Question 6 · 3 marks
  25. 9608/11/M/J/20 Question 1 part (a) · 4 marks
  26. 9608/22/M/J/20 Question 6 part (b) · 2 marks
  27. 9608/23/M/J/20 Question 5 part (b(ii)) · 6 marks
  28. 9608/21/O/N/19 Question 5 part (a) · 3 marks
  29. 9608/13/M/J/19 Question 2 parts (c(i)) (c(ii)) · 5 marks
  30. 9608/11/M/J/18 Question 6 · 9 marks
  31. 9608/12/M/J/18 Question 3 · 7 marks
  32. 9608/13/M/J/18 Question 4 · 6 marks
  33. 9608/12/O/N/17 Question 3 part (c) · 2 marks
  34. 9608/13/O/N/17 Question 3 parts (b(i)) (b(ii)) · 8 marks
  35. 9608/23/O/N/17 Question 5 part (b) · 6 marks
  36. 9608/22/M/J/17 Question 6 part (a) · 9 marks
  37. 9608/11/O/N/16 Question 7 part (c(ii)) · 2 marks
  38. 9608/13/O/N/16 Question 7 part (c(ii)) · 2 marks

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