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| Q. |
In 1-to-4 demultiplexer, how many select lines are required? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» A. 2 | |
| Explanation: the formula for total no. of outputs is given by 2n, where n is the no. of select lines. therefore, for 1:4 demultiplexer, 2 select lines are required. | |
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