GATE 2024 CSE & IT Q28

Question

Consider the circuit shown below where the gates may have propagation delays. Assume that all signal transitions occur instantaneously and that wires have no delays. Which of the following statements about the circuit is/are CORRECT?

IISc Bangalore · Accepted Answer

A;C

IISc Bangalore · Answer

With no propagation delays, the output Y is always logic Zero

IISc Bangalore · Answer

With no propagation delays, the output Y is always logic One

IISc Bangalore · Answer

With propagation delays, the output Y can have a transient logic One after X transitions from logic Zero to logic One

IISc Bangalore · Answer

With propagation delays, the output Y can have a transient logic Zero after X transitions from logic One to logic Zero