Network And
Synchronous and Asynchronous mode:
In telecommunication signaling within a network or between networks, synchronous signals are those that occur at the same clock rate when all clocks are based on a single reference clock. Synchronous communication requires that each end of an exchange of communication respond in turn without initiating a new communication.
An asynchronous signal is one that is transmitted at a different clock rate than another signal. Asynchronous operation also means that a process operates independently of other processes, whereas synchronous operation means that the process runs only as a result of some other process being completed or handing off operation.
Analog and Digital:
Analog communication employs continuous transmission of an electromagnetic wave form that varies in frequency and amplitude.
A digital communication system uses discontinuous transmission that may vary in frequency, amplitude and/or phase to represent binary data.
Simplex and......
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