asynchronous

<architecture> Not synchronised by a shared signal such as clock or semaphore, proceeding independently.

Opposite: synchronous.

<operating system> A process in a multitasking system whose execution can proceed independently, "in the background". Other processes may be started before the asynchronous process has finished.

<communications> A communications system in which data transmission may start at any time and is indicated by a start bit, e.g. EIA-232. A data byte (or other element defined by the protocol) ends with a stop bit. A continuous marking condition (identical to stop bits but not quantized in time), is then maintained until data resumes.

Last updated: 1995-12-08

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Nearby terms:

asymmetrical modulation « Asymmetric Digital Subscriber Line « Asymmetric Digital Subscriber Loop « asynchronous » Asynchronous Balanced Mode » Asynchronous Communications Interface Adapter » asynchronous logic

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