Question

 

What is better for computer communication-analog or digital? Justify your answer.

28 May 2025
Answer :
Word Count : 1018
In the realm of computer networks and communication systems, the transmission of data can occur in either analog or digital form. Analog communication transmits information in a continuous signal that varies in amplitude or frequency, whereas digital communication transmits information using discrete signals, usually in binary format—combinations of 0s and 1s. When comparing which method is better for computer communication, digital communication emerges as the superior option. This conclusion is based on various technical, practical, and economic factors. The preference for digital communication in computer networks is driven by its enhanced noise resistance, scalability, ease of encryption, error detection and correction capabilities, efficient bandwidth utilization, and compatibility with modern computing technologies. One of the foremost advantages of digital communication is its robustness against noise and signal degradation. In analog systems, signals are highly susceptible to distortion due to external noise, attenuation, and interference during transmission. As the analog signal travels over longer distances or through varying environmental conditions, its quality diminishes. On the other hand, digital communication employs binary signals that are less sensitive to such degradation. Even if some noise is introduced during transmission, the signal can often be regenerated at intermediate nodes without significant loss of integrity. Regeneration techniques such as ____ _____ ______ __________ ____ ______ _____ _______ _____.
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