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  1. The following k-map implements

    2. A.
    BCD to Decimal Decoder
    B.
    Decimal to BCD Encoder
    C.
    1 of 10 Decoder
    D.
    (a) and (c)

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    Answer : Option D

    Explanation :

    As the K-map reveals W, X, Y, Z are the input lines to the device and D0 to D9 are the output lines which get activated depending upon the input combinations.

    As seen from k-map for W, X, Y, Z from 0000 to 1001 we have D0 to D9 outputs activated respectively.

    This operation is performed by BCD to Decimal decoder.

    Also it is called as 1 off 10 decoder, as only 1 of 10 output line is high.

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