JEE Mains · Physics · STD 12 - 14. Semicondutor electronics
Consider the following logic circuit.
The output is \(\mathrm{Y}=0\) when :
- A \(\mathrm{A}=1\) and \(\mathrm{B}=1\)
- B \(\mathrm{A}=0\) and \(\mathrm{B}=1\)
- C \(\mathrm{A}=1\) and \(\mathrm{B}=0\)
- D \(\mathrm{A}=0\) and \(\mathrm{B}=0\)
Answer & Solution
Correct Answer
(A) \(\mathrm{A}=1\) and \(\mathrm{B}=1\)
Step-by-step Solution
Detailed explanation
\begin{aligned} & \mathrm{Y}_1=\mathrm{A} \cdot \mathrm{~B}, \mathrm{Y}_2=\overline{\mathrm{A}}+\mathrm{B} \\ & \mathrm{Y}=\overline{\mathrm{Y}_1 \cdot \mathrm{Y}_2}=\overline{\mathrm{Y}}_1+\overline{\mathrm{Y}}_2 \\ & \mathrm{Y}=\overline{\mathrm{A} \cdot…
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