Evaluate - 48 - 23 by using the 2's complement method, Computer Engineering

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Perform the - 48 - 23 operations using the 2's complement method.

Ans. - 48 - 23 = - 48 + (-23)
    -48     = 1 1 0 1 0 0 0 0
    -23     = 1 1 1 0 1 0 0 1
= -71      1 1 0 1 1 1 0 0 1

↓

Carry is discarded

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