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WAEC Data Processing 2025 Question 28

Question 28

Computer Maintenance

The suitable method of removing particles from the keyboard is by

  1. A.cleaning with dripping wet cloth.
  2. B.cleaning with iron brush.
  3. C.using compressed air.
  4. D.using hot air.
Show the answer and explanation

Answer: C (using compressed air.)

Explanation

Compressed air blows out dust without damaging the keys.