Question

In a 4-bit decade counter, four master-slave flip-flops are internally connected to provide a ________ bit counter.

(a) Divide-by-2 & divide-by-6

(b) Divide-by-6 & divide-by-8

(c) Divide-by-2 & divide-by-5

(d) Divide-by-4 & divide-by-8

The question was posed to me in a national level competition.

This is a very interesting question from Counter ICs in portion Counters of Digital Circuits

Answer 1

Correct option is (c) Divide-by-2 & divide-by-5

Easy explanation: In a decade counter, four master-slave flip-flops are internally connected to provide a Divide-by-2 & divide-by-5 bit counter.