Question

Subtract 14 from 17 using 1’s complement.​

Answer 1

SOLUTION

TO DETERMINE

Subtract 14 from 17 using 1’s complement.

EVALUATION

Step : 1

Convert both the numbers from decimal to binary

Converting 14 to binary we get 01110

Converting 17 to binary we get 10001

Step : 2

Find 1’s complement of the subtrahend.

Subtrahend = 10001

1’s complement of the subtrahend = 01110

Step : 3

Add the resulting number with the minuend.

10001 + 10001 = 00010 ( Carry as 1 )

Step : 4

If the above addition has a carry over then drop it

Add 1 in the last bit.

Required answer = 00010 + 1 = 00011

FINAL ANSWER

Hence the required answer = 00011

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