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Two following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage wave forms of A, B and Y are as given.
The logic gate is
- OR gate
- NAND gate
- NOR gate
- AND gate
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Solution
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It is clear from given logic circuit, that output Y is low when both the inputs are high, otherwise it is high. Thus, logic circuit is NAND gate.
| A | B | Y |
| 1 | 1 | 0 |
| 0 | 0 | 1 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
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