asynchronous
Not synchronised by a shared signal such as clock or semaphore, proceeding independently.
Opposite: synchronous.1. 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.
2. 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
Nearby terms:
Asymmetric Digital Subscriber Loop ♦ asynchronous ♦ Asynchronous Balanced Mode
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