For a NAND gate, the inputs and outputs are given below. $ \begin{array}{|c|c|c|} \hline \text{Input A} &…

For a NAND gate, the inputs and outputs are given below. $ \begin{array}{|c|c|c|} \hline \text{Input A} & \text{Input B} & \text{Output Y} \\ \hline 0 & 1 & C \\ \hline 0 & 0 & D \\ \hline 1 & 0 & E \\ \hline 1 & 1 & F \\ \hline \end{array} $ The values taken by $C$, $D$, $E$, $F$ are respectively.
  1. $0,1,0,0$
  2. $1,0,1,1$
  3. $0,1,0,1$
  4. $1,1,1,0$

Solution

The Boolean expression for NAND gate is: $Q=\overline{A \cdot B}$ $\begin{aligned} \begin{array}{|c|c|c|} \hline \text{Input A} & \text{Input B} & \text{Output Y} \\ \hline 0 & 1 & C=1 \\ \hline 0 & 0 & D=1 \\ \hline 1 & 0 & E=1 \\ \hline 1 & 1 & F=0 \\ \hline \end{array} \end{aligned}$

Asked in: MHT CET 2022 (10 Aug Shift 2)

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