Counters - Technical MCQs

Q1:

How many data bits can be stored in the register shown below?

A 5

B 32

C 31

D 4

ANS:A - 5

Here in the circuit 4ff are used. So 4 bit storing is possible. But in timing diagram Q0 to Q4 (ie 5 ff are used). As per the timing diagram, the answer is 5 otherwise 4.