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.

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.

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.
References in periodicals archive ?
Asynchrony Software's PDA Defense product helps prevent PDAs from being stolen by allowing the user to set specific security mandates.
and Armstrong Teasdale LLP served as financial and legal advisors to Asynchrony Solutions.
Differences in egg size, shell thickness, pore density, pore diameter and water vapour conductance between first and second eggs of Snares Penguins Eudyptes robustus and their influence on hatching asynchrony.
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This article focuses on the systematic recognition of patient-ventilator asynchrony and utilization of breath types, modes and ventilator parameters to optimize patient-ventilator synchronization.
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Thus our data may represent nests with the greatest hatching asynchrony.
Accenture, Acer, Aether Systems, Air2Web, AirDefense, Airespace, AirFlow Networks, AirMagnet, Alcatel, Aligo, Alltel, Antenna Software, AOL, AppForge, Apple Computer, Array Networks, ArticSoft, Aruba Wireless Networks, Asurion, Asynchrony Solutions, AT&T Wireless, Atheros Communications, AvantGo, Avaya, Aventail, Axcelerant, Bluefire Security Technologies, BlueSocket, Boingo Wireless, Broadcom, Canon, Chantry Networks, Check Point Software Technologies, Cingular Wireless, Cisco Systems, Citrix Systems, Colubris Networks, Computer Associates International, Control Break International, Corel, Credant Technologies, Crossbow Technology, Daimler Chrysler, Dell, Design Universe, Dexterra, DoCoMo, Dust Inc,
Furthermore, RADVISION engineers, in collaboration with DISA and Asynchrony Solutions, defined common user scenarios which were used as guidelines during the certification process.
Hatching asynchrony, egg size, growth, and fledging in Tree Swallows.