Question

A digital system consists of _____ types of circuits.

(a) 2

(b) 3

(c) 4

(d) 5

This question was posed to me by my college director while I was bunking the class.

Origin of the question is Introduction of Arithmetic Operation in division Arithmetic Circuits of Digital Circuits

Answer 1

Right answer is (a) 2

To explain I would say: A digital system consists of two types of circuits and these are a combinational and sequential logic circuit. Combinational circuits are the ones which do not depend on previous inputs while Sequential circuits depend on past inputs.