Question

The boolean relation at the output stage$-Y$ for the following circuit is:

• A. $\overline{A}+\overline{B}$
• B. $A+B$
• C. $A\cdot B$
• D. $\overline{A}\cdot \overline{B}$

Answer 1

The correct option is D $\overline{A}\cdot \overline{B}$


So, the given circuit can be represented as

$\text{OR + NOT → NOR Gate}$

Therefore, the Boolean relation at the output stage $-Y$ for the circuit,

$Y=\overline{A+B}=\overline{A}\cdot \overline{B}$

Hence, option $\left(D\right)$ is correct.