WAEC Computer Studies 2021 Objective — Question 18

Question 18 of 50 from the West African Examinations Council (WAEC) Computer Studies 2021 Objective paper, with the correct answer and a full explanation.

18. The fundamental purpose of the BIOS is

A. initializing and testing hardware componentsCorrect
B. testing the system performance
C. updating the system performance
D. saving the operating system's life

Explanation

BIOS (Basic Input/Output System) performs the Power-On Self-Test (POST), initializing and testing hardware components at startup.

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