Ring counter o/p at fourth c/k pulse for a given o/p of second c/k pulse

Q.  On the second falling edge of clock in ring counter, if the generated output of second clock pulse is ' 0100', what will be the output after the  fourth clock pulse?
- Published on 29 Sep 15

a. 1000
b. 0001
c. 0010
d. 0000

ANSWER: 0001

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