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WAEC Data Processing 2017 Question 28

Question 28

Computer Maintenance

Which of the following is not a good computer maintenance practice?

  1. A.Blowing the system unit with a blower
  2. B.Blowing the keyboard with a blower
  3. C.Cleaning the screen with wet cloth
  4. D.Cleaning the CD-ROM drive with lens cleaner
Show the answer and explanation

Answer: C (Cleaning the screen with wet cloth)

Explanation

A wet cloth can let water into the screen and damage it; use a slightly damp lint-free cloth or screen cleaner.