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प्रश्न
Write the truth table for the combination of the gates shown. Name the gates used.

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उत्तर
R - OR GATE
S - AND GATE
| A | B | Y' = A+B | Y = Y'.A |
| 0 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 1 | 1 |
| 1 | 1 | 1 | 1 |
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संबंधित प्रश्न
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- acts as OR gate while the circuit
- acts as AND gate.
(a)

(b)

You are given two circuits as shown in following figure, which consist of NAND gates. Identify the logic operation carried out by the two circuits.
(a)

(b)

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(Hint: A = 0, B = 1 then A and B inputs of second NOR gate will be 0 and hence Y=1. Similarly work out the values of Y for other combinations of A and B. Compare with the truth table of OR, AND, NOT gates and find the correct one.)
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