Shift Registers - Technical MCQs

Q1:

In a 4-bit Johnson counter sequence there are a total of how many states, or bit patterns?

A 1

B 2

C 4

D 8

ANS:D - 8

In Johnson counter, the number of states =2 * (number of flip flops).

4 flip flops for 4-bits number.

Numbers of states = 2 * 4 = 8.