Official PYQ · 2013Set 1 · Q42Diode CircuitsMCQ2 marks

GATE EC 2013 Set 1 Q42 — Diode Circuits

In the circuit shown below, $Q_{1}$ has negligible collector-to-emitter saturation voltage and the diode drops negligible voltage across it under forward bias. If $V_{cc}$ is $+5 V, X$ and $Y$ are digital signals with $0\: V$ as logic $0$ and $V_{cc}$ as logic $1,$ then the Boolean expression for $Z$ is

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Answer: B

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Published 10 Oct 2026

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GATE EC 2013 Set 1 Q42 — Diode Circuits

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