WAEC Computer Studies 2021 Objective — Question 50
Question 50 of 50 from the West African Examinations Council (WAEC) Computer Studies 2021 Objective paper, with the correct answer and a full explanation.
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50. The following actions are the effects of virus infection in a system except
- A. deletion of files
- B. slow operation
- C. hard disk failureCorrect
- D. display of unwanted messages
Explanation
Viruses commonly cause file deletion, slowed performance, and unwanted pop-up messages, but permanent hard disk (hardware) failure is not a typical direct effect of a virus.
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