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Discussion :: Digital Electronics

  1. In 2's complement representation the number 11100101 represents the decimal number

    2. A.
    +37
    B.
    -31
    C.
    +27
    D.
    -27

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    Answer : Option D

    Explanation :

    A = 11100101. Therefore A = 00011010 and A' = A + 1 = 00011011 = 16 + 8 + 2 + 1 = 27. Therefore A = -27.

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