Questions and Answers
What is the difference (d) of the half subtractor in terms of A and B?
d = A⊕B = A’B + AB’
What is the borrow (b) of the half subtractor in terms of A and B?
b = A’B
What is the limitation of using a half subtractor in binary subtraction?
It can only be used to find the difference of LSBs (Least Significant Bits) of two binary numbers.
What are the three inputs to a full subtractor?
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What are the two outputs of a full subtractor?
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How is the difference (d) of the full subtractor calculated?
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What is the purpose of the bin input in a full subtractor?
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Why is a full subtractor necessary for binary subtraction?
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What is the difference between a half subtractor and a full subtractor?
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What is the role of the borrow output (b) in a full subtractor?
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