Computer Networking
Demodulation is a process of

converting analog to digital signals
multiplexing various signals into one high speed line signals
performing data description.
converting digital to analog signals

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Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

can do one way data transmission only
cannot talk at once
can receive and send data simultaneously
can send or receive data one at a time
None of these

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