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asynchronous data transmission

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  • Data transmission — Data transmission, digital transmission, or digital communications is the physical transfer of data (a digital bit stream) over a point to point or point to multipoint communication channel. Examples of such channels are copper wires, optical… …   Wikipedia

  • asynchronous —    A variable or random time interval between successive characters, operations, or events. Asynchronous data transmission provides for variable intercharacter time, but for fixed interbit time within characters. See also start/stop transmission …   IT glossary of terms, acronyms and abbreviations

  • Asynchronous serial communication — describes an asynchronous, serial transmission protocol in which a start signal is sent prior to each byte, character or code word and a stop signal is sent after each code word. The start signal serves to prepare the receiving mechanism for the… …   Wikipedia

  • Asynchronous — A*syn chro*nous, a. [Gr. ? not + synchronous.] Not simultaneous; not concurrent in time; opposed to {synchronous}. Syn: nonsynchronous, unsynchronized, unsynchronous. [Webster 1913 Suppl.] 2. (Paleontology) occurring in different geologic times;… …   The Collaborative International Dictionary of English

  • asynchronous transmission —    Data transmission in which alphanumeric characters are sent at irregular intervals, each having a start and stop bit preceding and immediately following each character. Asynchronous communications software used in conjunction with a modem… …   IT glossary of terms, acronyms and abbreviations

  • Asynchronous Transfer Mode — In electronic digital data transmission systems, the network protocol Asynchronous Transfer Mode (ATM) encodes data traffic into small fixed sized cells. The standards for ATM were first developed in the mid 1980s. The goal was to design a single …   Wikipedia

  • asynchronous transmission —    A method of data transmission that uses start bits and stop bits to coordinate the flow of data so that the time intervals between individual characters do not need to be equal. Parity also may be used to check the accuracy of the data… …   Dictionary of networking

  • Asynchronous I/O — Asynchronous I/O, or non blocking I/O, is a form of input/output processing that permits other processing to continue before the transmission has finished. Input and output (I/O) operations on a computer can be extremely slow compared to the… …   Wikipedia

  • Asynchronous serial interface — Asynchronous Serial Interface, or ASI, is streaming data format which often carries an MPEG Transport Stream (MPEG TS).It is electrically identical to an SDI signal and is always 270Mbit/s. There are two transmission formats commonly used by the… …   Wikipedia

  • Asynchronous Balanced Mode — (ABM) is a communication mode of HDLC and derivative protocols, supporting peer oriented point to point communications between two nodes, where either node can initiate transmission.For systems that work in the ABM (Asynchronous Balanced Mode),… …   Wikipedia

  • Asynchronous communication — In telecommunications, Asynchronous communication is transmission of data without the use of an external clock signal. Any timing required to recover data from the communication symbols is encoded within the symbols. The most significant aspect… …   Wikipedia


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