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  1. The two numbers represent in signed 2's complement form are P = 11101101 and Q = 111001110. If Q subtracted from P, the value obtained in signed 2's complement form is

    2. A.
    100000111
    B.
    00000111
    C.
    11111001
    D.
    111111001

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    Answer : Option C

    Explanation :

    P = 11101101 = - 25

    Q = 11100110 = - 18

    Thus P - Q = - 25 - (- 18) = - 7

    Thus '- 7's two complement representation is 11111001.

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