Network and

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Roland P


Date added:

November 6, 2015








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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...
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The most basic type of service is known as simplex. This service provides one-way communication. Examples of this type of service are TV distribution, and the transmission of burglar alarm messages. Most networks transfer data in two directions and are known as duplex communications links. Duplex links are classified as either full duplex or half duplex (also known as two ways alternate), depending upon whether both local and remote nodes may simultaneously transmit, or whether one must wait for the other to finish before starting transmission...
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