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    Question

    Which of the following is a device which stores a single

    bit (binary digit) of data, one of its two states represents a "one" and the other represents a "zero"? 
    A AND Correct Answer Incorrect Answer
    B OR Correct Answer Incorrect Answer
    C Encoder Correct Answer Incorrect Answer
    D Flip Flop Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Flip-flops and latches are used as data storage elements. A flip-flop is a device which stores a single bit (binary digit) of data; one of its two states represents a "one" and the other represents a "zero". Such data storage can be used for storage of state, and such a circuit is described as sequential logic in electronics. 

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