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प्रश्न
How is a decoder different from a multiplexer?
उत्तर
| Multiplexer | Decoder | |
| 1. | The multiplexer contains several data input lines and one output line. | The decoder has no data input and several output lines. |
| 2. | There are multiple control lines. | Inputs are the control bits A, B, C, and D. |
| 3. | Depending on the condition of the control line, data from the specific input line is available at the output. | Only one output is high, depending on the state of the control lines. |
| 4. | Converts unary code into binary code. | Converts binary code to unary. |
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