To get output zero for the following circuit, the correct choice for… | MHT CET 2026 (20 May, Shift 1)

Q9MHT CET 2026 · 20 MAY · SHIFT 1Medium

Logic Gates

To get output zero for the following circuit, the correct choice for the input is

a. $A = 1, B = 1, C = 0$

b. $A = 0, B = 1, C = 0$

c. $A = 1, B = 1, C = 1$

d. $A = 1, B = 0, C = 1$

Show answer and solution

Answer: (a)

Circuit: $Y = (A + B) \cdot C$ .
If $C = 0$ , then $Y = 0$ whatever $A$ and $B$ are.
Choices a ( $C = 0$ ) and b ( $C = 0$ ) give $Y = 0$ ; c and d give $Y = (1) \cdot 1 = 1$ .
So the answer is (a) a and b.

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