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| Q. |
What is a multiplexer? |
| A. | it is a type of decoder which decodes several inputs and gives one output |
| B. | a multiplexer is a device which converts many signals into one |
| C. | it takes one input and results into many output |
| D. | it is a type of encoder which decodes several inputs and gives one output |
| Answer» B. a multiplexer is a device which converts many signals into one | |
| Explanation: a multiplexer (or mux) is a device that selects one of several analog or digital input signals and forwards the selected input into a single line, depending on the active select lines. | |
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