Logic Gates - Technical MCQs

Q1:

The terms "low speed" and "high speed," applied to logic circuits, refer to the ________.

A rise time

B fall time

C propagation delay time

D clock speed

ANS:C - propagation delay time

The speed of the circuit depends on delay, More the delay the circuit takes more time to respond to changes in input so the speed of the circuit will be low and vice versa.

So, it's the delay which tells a circuit is low speed or high-speed circuit.