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Exam Questions Papers - Engineering

Q1:

A 'n' bit sequence generator employing SR flip-flop has maximum length of the sequence as :

A 2n

B n

C 2n - 1

D 2n-1

ANS:C - 2n - 1

Since for SR flip-flop all zero state is lock-in state; from which SR can not get out, the maximum length of sequence with 'n' bits will be 2n - 1.