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Characteristics of Embedded Systems Topic: Characteristics of Embedded Systems

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divyalaks
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Quote divyalaks Replybullet Topic: Characteristics of Embedded Systems
    Posted: 29Oct2009 at 5:00pm
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Characteristics of Embedded Systems



 1. Embedded systems are designed to do some specific task, rather than be a general-purpose computer for multiple tasks. Some also have real-time performance constraints that must be met, for reasons such as safety and usability; others may have low or no performance requirements, allowing the system hardware to be simplified to reduce costs.

   2. Embedded systems are not always standalone devices. Many embedded systems consist of small, computerized parts within a larger device that serves a more general purpose. For example, the Gibson Robot Guitar features an embedded system for tuning the strings, but the overall purpose of the Robot Guitar is, of course, to play music.[5] Similarly, an embedded system in an automobile provides a specific function as a subsystem of the car itself.

   3. The program instructions written for embedded systems are referred to as firmware, and are stored in read-only memory or Flash memory chips. They run with limited computer hardware resources: little memory, small or non-existent keyboard and/or screen.


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binizasansa
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Quote binizasansa Replybullet Posted: 05Aug2011 at 10:40am
Embedded systems are advised to do some specific task, rather than be a general-purpose computer for assorted tasks. Some as well accept real-time achievement constraints that have to be met, for affidavit such as assurance and usability.
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Crazycats
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Quote Crazycats Replybullet Posted: 26Oct2012 at 2:38pm
Embedded systems are specialized computer systems which are part of a larger system or machine. Typically it is housed on a single microprocessor board with the programs stored in ROM. Virtually all appliances that have a digital interface  such as watches, microwaves, VCRs are utilize embedded systems. Some of them include an operating system but many are so specialized and the entire logic can be implemented as a single program.
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