Which of the following flip-flops has indeterminate condition (i.e. the output…

2022

Which of the following flip-flops has indeterminate condition (i.e. the output is unpredictable)?

  1. A.

    RS flip-flop

  2. B.

    JK flip-flop

  3. C.

    Master slave JK flip-flop

  4. D.

    T flip-flop

Attempted by 128 students.

Show answer & explanation

Correct answer: A

The RS flip-flop enters an indeterminate state when both Set and Reset inputs are logic 1 simultaneously. This forbidden condition makes the output unpredictable, unlike JK or T flip-flops which toggle instead.

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