Digital Communications block diagram question

1. What is digital communication explain with its block diagram?
2. What are main elements in simple block diagram of an electronic communications system?
3. Which is the correct sequence of the block diagram of communication system?

What is digital communication explain with its block diagram?

The block diagram of DPCM Receiver consists of a decoder, a predictor, and a summer circuit. Following is the diagram of DPCM Receiver. The notation of the signals is the same as the previous ones. In the absence of noise, the encoded receiver input will be the same as the encoded transmitter output.

What are main elements in simple block diagram of an electronic communications system?

The block diagram of a communication system will have five blocks, including the information source, transmitter, channel, receiver and destination blocks.

Which is the correct sequence of the block diagram of communication system?

Information source, transmitter, channel, receiver and user lastly user of information. Hence, the correct option is B)