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Question
Identify the equivalent gate for the following circuit and write its truth table.
Solution
If the output X of NOR gate is used as the input of NOT gate (made from NAND gate by joining two inputs), we get back an OR gate.
Truth Table:
| A | B | X | Y |
| 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 1 |
| 1 | 0 | 0 | 1 |
| 1 | 1 | 0 | 1 |
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