Cyber / Computer olympiad practice, classes 1 to 10

The NCO covers computers and information technology, plus the logical reasoning that comes with them. Practise every class 1 to 10 cyber topic, from parts of a computer to internet safety and reasoning puzzles.

Aligned with NCO-style papers (SOF). Classes 1 to 3 practise one question at a time, with a second chance before the answer shows; classes 4 to 10 fill an OMR-style answer sheet and get an explanation after every answer. Missed questions come back on a review schedule until they stick. No ads, no accounts, works offline.

Practise by class (122 topics in total)

  1. Class 1 Cyber / Computer9 topics, NCO-style
  2. Class 2 Cyber / Computer10 topics, NCO-style
  3. Class 3 Cyber / Computer9 topics, NCO-style
  4. Class 4 Cyber / Computer10 topics, NCO-style
  5. Class 5 Cyber / Computer11 topics, NCO-style
  6. Class 6 Cyber / Computer15 topics, NCO-style
  7. Class 7 Cyber / Computer14 topics, NCO-style
  8. Class 8 Cyber / Computer15 topics, NCO-style
  9. Class 9 Cyber / Computer15 topics, NCO-style
  10. Class 10 Cyber / Computer14 topics, NCO-style
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New to olympiads? Read What is the NCO exam? or the free preparation guide.

Other subjects: Maths · English · Science · General Knowledge

Question sets and exam facts last updated: 12 September 2026.