WAEC Computer Studies 2021 Objective — Question 13

Question 13 of 50 from the West African Examinations Council (WAEC) Computer Studies 2021 Objective paper, with the correct answer and a full explanation.

13. Which of the following statements is true about the logic gates X and Y (Figure 2)?

A. they both have multiple output variables
B. the out state of each depends on the input stateCorrect
C. the output is true only if all inputs are true
D. they are both equivalent

Explanation

For any logic gate, the output state is determined by (depends on) the combination of input states.

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