Question

What do u mean by source in digital communication system?

Answer 1

Digital System is the result of technology that converts the signal into a combination of sequences of numbers 0 and 1 (also called binary) for easy, fast and accurate information processing. The signal is called a bit.
Digital technology is basically just a very fast calculating system that processes all forms of information as numerical values.

I hope this help :)

Answer 2

The digital system is the result if the technology which converts the single into the combination . of the binary number which are the 0 , 1 .
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This is mainly made for the fast and accurate calculation.