asynchronous

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asynchronous

[ā′siŋ·krə·nəs]
(computer science)
Operating at a speed determined by the circuit functions rather than by timing signals.
(physics)
Not synchronous.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

asynchronous

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

Opposite: synchronous.

1. <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.

2. <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.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

asynchronous

Events that are not synchronized or coordinated in time. All the following are asynchronous operations. The interval between transmitting A and B is not the same as between B and C. The ability to initiate a transmission at either end. Storing and forwarding messages. Starting the next operation before the current one is completed. Contrast with synchronous.
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References in periodicals archive ?
In this paper, a new asynchronously coupled consensus algorithm associated with adjacent compensations is proposed for the second-order multiagent systems with communication delay to track a dynamic leader.
For example, electrically driven tractor components, such as the coolant pump and fan, can be controlled in response to system demands and can run asynchronously, at speeds that are independent of the engine speed.
The Flash Player will now decode bitmaps asynchronously, thus improving the responsiveness of applications.
This allows students to work asynchronously. By having students color code what they are writing, the instructor can easily see who did what or who wrote what.
With ENX gateways, 992 I/O are handled asynchronously to the Ethernet traffic.
Featuring up to four asynchronously triggered cameras that run on a single processor, the M-Series Embedded Vision System allows each M-Series camera to be independently optimized with the appropriate speed, resolution, and size.
It has been in use for about 20 years now to replicate data synchronously, asynchronously or periodically across heterogeneous operating systems, including mainframe systems.
With the purchase of the 'Archer' patent (USPTO #6,277,026), we are now able to offer an internet ticket sales system that communicates asynchronously to the state's existing system as well.'
10GBASE-T supports auto negotiation with installed 1000BASE-T equipment, enabling IT and data centre managers to manage their server upgrades asynchronously from their switch upgrades.
The entire program is offered online asynchronously for students who may work shift-work or have young children at home and need maximum flexibility.
Individuals are then directed to the forum to deliver input asynchronously or they can engage in a synchronous exchange with a facilitator.

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