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Discussion :: Digital Electronics

  1. A 4 bit ripple counter is in 0000 state. The clock pulses are applied and then removed. The counter reads 0011. The number of clock pulses which have occurred are

    2. A.
    3
    B.
    3 or 19
    C.
    3 or 19 or 35
    D.
    none of the above

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    Answer : Option C

    Explanation :

    After 16 pulses the counter resets. 0011 is 3. Hence clock pulses can be 3 or 3 + 16 or 3 + 16 + 16.

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