The logic gate represented in given figure is

Question

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Answer 1

$P$ is the output of the inputs signal $A$ and $B$ operating on a $N O R$ gate. Then the signal $P$ (A' and B') acts as input signal for the second $N O R$ gate to give the output $Y$ .
Thus writing truth table for each step gives the table as shown above which resembles the truth table of an $O R$ gate for input signal $A$ and $B$ whereas the $Y$ as the output signal.

Answer 2

P

is the output of the inputs signal

A

and

B

operating on a

N O R

gate. Then the signal

P

(A' and B') acts as input signal for the second

N O R

gate to give the output

Y

.

Thus writing truth table for each step gives the table as shown above which resembles the truth table of an

O R

gate for input signal

A

and

B

whereas the

Y

as the output signal.