GATE EC 2013 (Set 1) Q42: Boolean Expression for Transistor-Diode Logic Circuit | Examprev

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EC > GATE 2013 SET-1 > Logic Circuits

In the circuit shown below, Q₁ 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

A

X̅Y̅

B

X̅Y

C

XY̅

D

XY

Correct : a

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Related Topics

logic gates EC GATE GATE EC 2013 digital circuits Boolean algebra X̅Y̅ logic X̅Y logic XY̅ logic XY logic gate EC 2013 set 1 digital signal logic

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