Q131 / 180 · NEET 2016 (Phase 2) · Physics

What is the output $Y$ in the following circuit, when, all the three inputs $A, B, C$ are first $0$ and then, $1$ ?

A
$0, 1$
B
$0, 0$
Correct answer
C
$1, 0$
D
$1, 1$

Solution

Output,

Y = \bar{(A \cdot B) \cdot C} = \bar{A} + \bar{B} + \bar{C}

.

When,

A, B, C

are

0 \to Y = 1

.

When,

A, B, C

are

1 \to Y = 0

.

Hence, the correct answer is option: 'C'.

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