Q. The truth table for the following logic circuit is

A) $\left| \begin{array}{r} \begin{matrix} A & B & Y \end{matrix} \\ \begin{matrix} 0 & 0 & 0 \end{matrix} \\ \begin{matrix} 0 & 1 & 1 \end{matrix} \\ \begin{matrix} 1 & 0 & 1 \end{matrix} \\ \begin{matrix} 1 & 1 & 0 \end{matrix} \end{array} \right|$
B) $\left| \begin{array}{r} \begin{matrix} A & B & Y \end{matrix} \\ \begin{matrix} 0 & 0 & 0 \end{matrix} \\ \begin{matrix} 0 & 1 & 1 \end{matrix} \\ \begin{matrix} 1 & 0 & 1 \end{matrix} \\ \begin{matrix} 1 & 1 & 1 \end{matrix} \end{array} \right|$
C) $\left| \begin{array}{r} \begin{matrix} A & B & Y \end{matrix} \\ \begin{matrix} 0 & 0 & 1 \end{matrix} \\ \begin{matrix} 0 & 1 & 0 \end{matrix} \\ \begin{matrix} 1 & 0 & 1 \end{matrix} \\ \begin{matrix} 1 & 1 & 0 \end{matrix} \end{array} \right|$
D) $\left| \begin{array}{r} \begin{matrix} A & B & Y \end{matrix} \\ \begin{matrix} 0 & 0 & 1 \end{matrix} \\ \begin{matrix} 0 & 1 & 1 \end{matrix} \\ \begin{matrix} 1 & 0 & 0 \end{matrix} \\ \begin{matrix} 1 & 1 & 1 \end{matrix} \end{array} \right|$
Explanation

(a) The output gate circuit will be as shown below.
[image:14_image229.jpeg]
Hence, outputs of A, B and C are 1, 1, and 0 respectively.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.