Class 4 Cyber / Computer olympiad practice

Free practice questions for every Class 4 Cyber / Computer topic on the olympiad syllabus, aligned with NCO-style papers. Each session gives you an OMR-style answer sheet, an explanation after every answer, a scorecard, and fresh questions on every attempt. Missed questions come back on a review schedule until they stick. No ads, no accounts, works offline.

Every attempt generates fresh questions on the same syllabus topic: new numbers, new names and new word problems, so practice never repeats exactly. Each one is NCO-style multiple choice, and anything answered wrong joins the review bank automatically.

All Class 4 Cyber / Computer topics (10)

  1. Evolution of Computers
  2. Hardware and Software
  3. Input and Output Devices (More)
  4. Computer Networks and Internet Uses
  5. MS Word Formatting
  6. MS Paint (Recap)
  7. Using Windows 10
  8. IT Gadgets and Developments
  9. Logical Reasoning
  10. Achievers
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Also for Class 4: Class 4 Maths · Class 4 English · Class 4 Science · Class 4 General Knowledge

New to olympiads? Read What is the NCO exam?, or see Class 1 to 10 Cyber / Computer practice.

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