Question
The output $y$, when all three inputs are first high and then low, will respectively be
✓
Answer
Let inputs $A, B$ and Care given to the circuit.
$Gate-I$ is AND gate, $gate-II$ is $NANO$ gate.
Output $\quad Y=\overline{(A . B . C)}$
when $A=1, B=1, C=1,$ then
$Y=\overline{(1.1) .1}=\overline{1.1}=\overline{1}=0$
when $\quad A=0, B=0, C=0,$ then
$Y=\overline{(0.0) .0}=\overline{0.0}=\overline{0}=1$
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