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Encyclopedia > Embedded systems

What is an Embedded System? Electronic devices that incorporate a computer(usually a microprocessor) within their implementation.


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Embedded system - Wikipedia, the free encyclopedia (2975 words)
Embedded systems reside in machines that are expected to run continuously for years without errors, and in some cases recover by themselves if an error occurs.
A common configuration for very-high-volume embedded systems is the system on a chip, an application-specific integrated circuit, for which the CPU was purchased as intellectual property to add to the IC's design.
Embedded Debugging may be performed at different levels, depending on the facilities available, ranging from assembly- or source-level debugging with an in-circuit emulator, to output from serial debug ports, to an emulated environment running on a personal computer.
Embedded system - Facts, Information, and Encyclopedia Reference article (4479 words)
For embedded systems that are not high volume personal computers can often be conscripted into service either by limiting the programs or by replacing the operating system with a real-time operating system.
In addition, the embedded system may be outside the reach of humans (down an oil well borehole, launched into outer space, etc.), so the embedded system must be able to restart itself even if catastrophic data corruption has taken place.
These systems often have no operating system, or a specialized embedded operating system (often a real-time operating system), or the programmer is assigned to port one of these to the new system.
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