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The System Service Descriptor Table (SSDT) is an internal dispatch table within Microsoft Windows. Function ... Search. Search.
It receives control in kernel mode as the result of an interrupt or system call. The functions of a dispatcher involve the following: Context switches, in which the dispatcher saves the state (also known as context) of the process or thread that was previously running; the dispatcher then loads the initial or previously saved state of the new ...
A dispatch console is a system that interfaces to a private or public radio system, allowing the dispatcher to communicate directly with all field workers, police officers, EMS personnel, and others in order to coordinate their activities. Dispatchers use various hardware and software to create dispatch.
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.
A dispatch facility used by Denver RTD features a radio communication consoles and a GPS-based AVL system. Left picture is dispatcher console position. Right picture is supervisor's console. At right is a drawing showing basic controls for a single channel. Ambulance dispatch center in Austria. Console with CAD and voice switch
Direct traffic control (DTC) is a system for authorizing track occupancy used on some railroads instead of or in addition to signals.It is known as "direct" traffic control because the train dispatcher gives track authority directly to the train crew via radio, as opposed to through wayside personnel via telephone or telegraph, as in train orders.
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In Windows, a message is equated to an event created and imposed upon the operating system. An event can be user interaction, network traffic, system processing, timer activity, inter-process communication, among others. For non-interactive, I/O only events, Windows has I/O completion ports. I/O completion port loops run separately from the ...