WAEC Computer Studies 2021 Objective — Question 42

Question 42 of 50 from the West African Examinations Council (WAEC) Computer Studies 2021 Objective paper, with the correct answer and a full explanation.

42. The part of the computer system shown in Figure 11 is used to

A. perform memory test
B. power on or off the computerCorrect
C. print a document from the computer
D. reset the computer to factory settings

Explanation

The icon shown (a power symbol) represents the power button, used to power the computer on or off.

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