8. Implementing Subtraction

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How to extend our adder to implement subtraction as well.
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Its sad these dont have more views their so well made!

GrandNebSmada
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Hope you have more videos that could save our lives!!!

lukelyu
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Why did you use multiplexers instead of simple XOR gates to invert B?

tomwimmenhove
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thanksss, it saves me lots of reading hours :)))

ApplianceRepairTips
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This was very helpfull, thanks a lot.

pheonix
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I still do not get as to why we add 1 after negating it. Does anyone have an explanation to that?

esaskhan