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 Definitions for asynchronous: The Collaborative International Dictionary of English v.0.48
:
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; --
of taxa/ synchronous
Syn: allochronic
[WordNet 1.5 +PJC]
3. chronologically misplaced; belonging to a different time
or era
Syn: anachronic, anachronous, anachronistic
[WordNet 1.5 +PJC]
4. (Computers) occurring at different speeds in different
computers connected by a data transmission link; -- said
of methods data of transmission between computers.
Opposite of synchronous.
[PJC]
WordNet (r) 2.0
:
asynchronous
adj 1: (digital communication) pertaining to a transmission
technique that does not require a common clock between
the communicating devices; timing signals are derived
from special characters in the data stream itself
[ant: synchronous]
2: not synchronous; not occurring or existing at the same time
or having the same period or phase [ant: synchronous]
The Free On-line Dictionary of Computing (27 SEP 03)
:
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.
(1995-12-08)
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