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The logic circuit shown below has the input wave forms ' $A$ ' and ' $B$ 'as shown. Pick out the correct output waveform.
Output is -
Options:
Output is -
- A
- B
- C
- D
Solution:
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Verified Answer
The correct answer is:
\begin{tabular}{|c|c|c|c|c|}
\hline $\mathrm{A}$ & $\mathrm{B}$ & $\overline{\mathrm{A}}$ & $\overline{\mathrm{B}}$ & $(\mathrm{Y}=\overline{\overline{\mathrm{A}}+\overline{\mathrm{B}}})$ \\
\hline 1 & 1 & 0 & 0 & 1 \\
\hline 0 & 0 & 1 & 1 & 0 \\
\hline 0 & 1 & 1 & 0 & 0 \\
\hline 1 & 0 & 0 & 1 & 0 \\
\hline 1 & 1 & 0 & 0 & 1 \\
\hline 0 & 0 & 1 & 1 & 0 \\
\hline 0 & 1 & 1 & 0 & 0 \\
\hline
\end{tabular}
\hline $\mathrm{A}$ & $\mathrm{B}$ & $\overline{\mathrm{A}}$ & $\overline{\mathrm{B}}$ & $(\mathrm{Y}=\overline{\overline{\mathrm{A}}+\overline{\mathrm{B}}})$ \\
\hline 1 & 1 & 0 & 0 & 1 \\
\hline 0 & 0 & 1 & 1 & 0 \\
\hline 0 & 1 & 1 & 0 & 0 \\
\hline 1 & 0 & 0 & 1 & 0 \\
\hline 1 & 1 & 0 & 0 & 1 \\
\hline 0 & 0 & 1 & 1 & 0 \\
\hline 0 & 1 & 1 & 0 & 0 \\
\hline
\end{tabular}
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