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    Question

    In digital electronics, a flip-flop is a sequential logic circuit capable of storing one bit of information. Which statement about flip-flops is true?

    A Flip-flops have a single input and a single output. Correct Answer Incorrect Answer
    B Flip-flops can only operate in an asynchronous mode. Correct Answer Incorrect Answer
    C The output of a flip-flop changes only in response to a clock edge. Correct Answer Incorrect Answer
    D Flip-flops are used exclusively for combinational logic. Correct Answer Incorrect Answer
    E All of these are true Correct Answer Incorrect Answer

    Solution

    The output of a flip-flop changes only in response to a clock edge.  

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