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| Q. |
If two numbers are not equal then binary variable will be |
| A. | 0 |
| B. | 1 |
| C. | a |
| D. | b |
| Answer» A. 0 | |
| Explanation: a comparator is a combinational circuit that takes two numbers as input in binary form and results whether one input is greater, lesser or equal to the other input. in a digital comparator, only 3 outputs are possible (i.e. a = b, a >b, a < b). other than this, the output will be 0. | |
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