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Comparator is used to compare two binary numbers, 1-bit comparator circuit is used to compare 1-bit binary numbers.
| A | B | f(A>B) | f(A=B) | f(A<B)</th> |
|---|---|---|---|---|
| 0 | 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 0 | 1 |
| 1 | 0 | 1 | 0 | 0 |
| 1 | 1 | 0 | 1 | 0 |
Now find the equations for each f(A>B), …