Differentiate between analog and digital communication.
Answer
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Hint:
Analog Communication uses analog waves for transfer of information. Likewise, Digital Communication uses digital waves for transfer of information.
Complete step by step solution: The key differences between analog and digital communication are given in the table below:
Note:
Care must be taken that the question asks us the difference between Analog Communication & Digital Communication and not Analog Wave & Digital Wave.
Complete step by step solution: The key differences between analog and digital communication are given in the table below:
| Analog Communication | Digital Communication |
| Analog communication uses analog signals for the transmission of information. | Digital communication uses digital signals for the transmission of information. |
| Analog communication uses signals that can be represented by sine waves. | Digital communication uses signals that can be represented by square waves. |
| Analog communication signals consist of continuous values. | Digital communication signals consist of discrete values. |
| Analog communications are affected by noise. | Digital communications are not affected by noise. |
| The probability of error in analog signals is high due to parallax. | Digital signals are virtually immune to parallax errors. |
| Analog communication requires complicated hardware. | Digital communication requires less complicated hardware. |
| Analog communication is relatively cheaper as compared to digital communication. | Digital communication is costly in nature. |
| Low bandwidth is required for analog communication. | High bandwidth is required for digital communication. |
| High power is required for analog communication. | Digital communication requires comparatively less power. |
| Analog communication systems are less portable as they contain heavy and complicated hardware. | Digital communication systems are more portable as compared to analog communication systems. |
| Examples: - Sound shows analog signals | Examples: - Computers use digital signals. |
Note:
Care must be taken that the question asks us the difference between Analog Communication & Digital Communication and not Analog Wave & Digital Wave.
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