Question

What is the function of a buffer circuit?

(a) To provide an output that is inverted from that on the input

(b) To provide an output that is equal to its input

(c) To clean up the input

(d) To clean up the output

This question was addressed to me during an online exam.

My query is from Ring Counter topic in chapter Registers of Digital Circuits

Answer 1

Correct option is (b) To provide an output that is equal to its input

To elaborate: The function of a buffer circuit is to provide an output that is equal to its input. A transceiver circuit is a buffer that can operate in both directions right as well as left.