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Question
In the logic circuit diagram, A, and B and C are the inputs, Y is the output. The output Y is 'High'.
Options
for all the inputs 'LOW'.
when A = 1, B = 0, C = 1.
for all the inputs 'HIGH'
when A = 1, B = 0, C = 0.
MCQ
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Solution
when A = 1, B = 0, C = 0.
Explanation:
The truth table for the given logic circuit can be given as,
| A | B | C | Y' | Y |
| 0 | 0 | 0 | 1 | 0 |
| 0 | 0 | 1 | 0 | 0 |
| 0 | 1 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 | 0 |
| 1 | 0 | 0 | 1 | 1 |
| 1 | 0 | 1 | 0 | 0 |
| 1 | 1 | 0 | 0 | 0 |
| 1 | 1 | 1 | 0 | 0 |
Thus, Y is 'High' when A = 1, B = 0 and C = 0.
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