On subtracting (010110)2 from (1011001)2 using 2’s complement, we get ____________(a) 0111001(b) 1100101(c) 0110110(d) 1000011I had been asked this question by my college professor while I was bunking the class.I want to ask this question from 1’s, 2’s, 9’s & 10’s Complements in portion Number System and Codes of Digital Circuits

On subtracting (010110)2 from (1011001)2 using 2’s complement, we ge

1.	On subtracting (010110)2 from (1011001)2 using 2’s complement, we get ____________(a) 0111001(b) 1100101(c) 0110110(d) 1000011I had been asked this question by my college professor while I was bunking the class.I want to ask this question from 1’s, 2’s, 9’s & 10’s Complements in portion Number System and Codes of Digital Circuits
Answer» Correct choice is (d) 1000011 For explanation: Steps For Subtraction using 2’s complement are: -> 2’s complement of the SUBTRAHEND is determined and ADDED to the minuend. -> If the result has a CARRY, then it is dropped and the result is positive. ->Else, if there is no carry, then 2’s complement of the result is found out and a ‘-’ sign preceeds the result.

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