Subtract two number by using 1's complement, Computer Engineering

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Subtract the given number using 1's complement
11011 - 11001

Ans. 11011 - 11001 = X - Y
                            X =    11011
 1's complement of Y =    00110
                       Sum  = 1 00001
       End around carry =          1  

Therefore X-Y = 00010


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