What is half subtractor? Explain its working

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written 3.0 years ago by

teamques10 ★ 65k

The half subtractor circuit needs two binary inputs and two binary outputs.

The input variables designate the subtrahend and minuend bits.

The output variables produce difference and borrow.

Let 'x' and 'y' be the input bits.

Truth table:

x	y	Difference = x-y	Borrow
0	0	0	0
0	1 …

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