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Data communication, including data transmission and data reception, is the transfer of data, transmitted and received over a point-to-point or point-to-multipoint communication channel. Examples of such channels are copper wires , optical fibers , wireless communication using radio spectrum , storage media and computer buses .
Electronic data interchange (EDI) is the concept of businesses electronically communicating information that was traditionally communicated on paper, such as purchase orders, advance ship notices, and invoices.
Effective data transfer rate; Effective transmission rate; Efficiency factor; Encapsulation (networking) Endianness; Errored second; Ethernet in the first mile; Excess-3 Gray code; Exempted addressee; External Data Representation; Extinction ratio; Eye pattern
It could be the transfer of an analog signal, using an analog modulation method such as frequency modulation (FM) or amplitude modulation (AM), or no modulation at all. Some textbooks also consider passband data transmission using a digital modulation method such as ASK, PSK and QAM, i.e. a sinewave modulated by a digital bit-stream, as analog ...
An example is the handshaking between a hypervisor and an application in a guest virtual machine. In telecommunications , a handshake is an automated process of negotiation between two participants (example " Alice and Bob ") through the exchange of information that establishes the protocols of a communication link at the start of the ...
The decreasing cost and better performance of integrated circuits has led to serial links being used in favor of parallel links; for example, IEEE 1284 printer ports vs. USB, Parallel ATA vs. Serial ATA, and FireWire or Thunderbolt are now the most common connectors for transferring data from audiovisual (AV) devices such as digital cameras or ...
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In telecommunications, node-to-node data transfer [1] is the movement of data from one node of a network to the next. In the OSI model it is handled by the lowest two layers, the data link layer and the physical layer. In most communication systems, the transmitting point applies source coding, [2] followed by channel coding, and lastly, line ...