What is the output Y in the following circuit | vedclass

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(A) The circuit consists of an $AND$ gate $(P)$ followed by a $NAND$ gate $(Q)$.The output of the $AND$ gate $P$ is $X = A \cdot B$.The output of the

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$1, 0$

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(A) The circuit consists of an $AND$ gate $(P)$ followed by a $NAND$ gate $(Q)$.The output of the $AND$ gate $P$ is $X = A \cdot B$.The output of the $NAND$ gate $Q$ is $Y = \overline{X \cdot C} = \overline{(A \cdot B) \cdot C} = \overline{A \cdot B \cdot C}$.Case $1$: When $A = B = C = 0$,$Y = \overline{0 \cdot 0 \cdot 0} = \overline{0} = 1$.Case $2$: When $A = B = C = 1$,$Y = \overline{1 \cdot 1 \cdot 1} = \overline{1} = 0$.Thus,the outputs are $1$ and $0$ respectively.

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

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