| Q. |
What the main advantage of PCM? |
| A. | can travel small distances |
| B. | higher bandwidth |
| C. | lower noise |
| D. | good reception |
| Answer» C. lower noise | |
| Explanation: pulse code modulation is a technique in which the amplitude of an analogue signal is converted to a binary value represented as a series of pulses. it is less prone to noise and can travel through long distances without loss of data. | |
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