Consider the sequential circuit shown in the figure, where both flip-flops used are positive edge-triggered D flip-flops. The number of states in the state transition diagram of this circuit that have a transition back to the same state on some value of \”in\” is ______ . Note – This was Numerical Type question.
(A)
2
(B)
3
(C)
4
(D)
None
Answer: (A)
Explanation:
State Table : Transition back to the same state means self loop, they are asking number of self loop states. Number of self loop states are 2 ( which are 00 and 11). Option (A) is CORRECT.
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