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The name "Grand Central Dispatch" is a reference to Grand Central Terminal. [citation needed] The source code for the library that provides the implementation of GCD's services, libdispatch, was released by Apple under the Apache License on September 10, 2009. [3] It has been ported [4] to FreeBSD 8.1+, [5] MidnightBSD 0.3+, [6] Linux, and Solaris.
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CAD systems may be interconnected with automatic vehicle location systems, mobile data terminals, office telephones, and selective calling and push-to-talk ID.. Computer-assisted dispatch systems use one or more servers located in a central dispatch office, which communicate with computer terminals in a communications center or with mobile data terminals installed in vehicles.
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2014 logo. A beta version of Zoom that could host conferences with only up to 15 video participants was launched on August 21, 2012. [8] On January 25, 2013, version 1.0 of the program was released with an increase in the number of participants per conference to 25. [9]
The event loop almost always operates asynchronously with the message originator. When the event loop forms the central control flow construct of a program, as it often does, it may be termed the main loop or main event loop. This title is appropriate, because such an event loop is at the highest level of control within the program.
Centralized computing is computing done at a central location, using terminals that are attached to a central computer. The computer itself may control all the peripherals directly (if they are physically connected to the central computer), or they may be attached via a terminal server. Alternatively, if the terminals have the capability, they ...
Dispatch consoles used by Denver RTD, a transit service provider in a US city. Drawing at right illustrates the controls associated with a single channel on the console. Photos courtesy of US Department of Transportation. One method for organizing assignments in a manual dispatch system is to use a zone map system.