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Q. |
Let A and B is the input of a subtractor then the output will be |
A. | a xor b |
B. | a and b |
C. | a or b |
D. | a exnor b |
Answer» A. a xor b | |
Explanation: the subtractor has two outputs borow and difference. since, the difference output of a subtractor is given by ab’ + ba’ and this is the output of a xor gate. so, the final difference output is ab’ + ba’. |
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