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प्रश्न
What will be the values of input A and B for the Boolean expression `overline ((A +B) .(A*B)) =1?`
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उत्तर
The truth table for the Boolean expression `overline ((A +B) .(A*B)) = is:`
| A | B | (A+B) | (A,B) | (A+B).(A.B) | `overline ((A +B) .(A*B)) =1?` |
| 1 | 1 | 1 | 1 | 1 | 0 |
| 0 | 0 | 0 | 0 | 0 | 1 |
| 1 | 0 | 1 | 0 | 0 | 1 |
| 0 | 1 | 1 | 0 | 0 | 1 |
The output of this Boolean expression is 1 only when both the inputs A and B are 1.
The values of A should, therefore, be 1.
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