Question 63: Semiconductors and Logic Gates

Question

The logic operations performed by the given digital circuit is equivalent to:
![](https://app-content.cdn.examgoal.net/fly/@width/image/1lgtub7x3/38d9bf4d-1bba-406d-a4be-5a19c0ef52ca/58bec760-e212-11ed-a71b-5bec0e8df462/file-1lgtub7x4.png?format=png)

Accepted Answer

$
\begin{aligned}
Z  =\overline{(A+B) \cdot(A \cdot B)} \\
Y  =\bar{Z}=(A+B) \cdot(A \cdot B) \\
\end{aligned}
$
$
Y=A \cdot(A B)+B \cdot(A B)
$
$
\begin{aligned}
& =A B+A B \\
& =(A B)
\end{aligned}
$
$	herefore$ It is an AND gate.
![](https://app-content.cdn.examgoal.net/fly/@width/image/1lib76axm/10785b44-0f53-4b38-a504-1712bd7ec2f8/3120e8d0-ff6a-11ed-be52-3d539499df54/file-1lib76axq.png?format=png)

Answer

NOR

Answer

AND

Answer

NAND

Answer

OR

Semiconductors and Logic Gates

The logic operations performed by the given digital circuit is equivalent to:

Choose the correct answer: