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Embedded
Operating System
An embedded operating system is one that is designed to be
very compact and efficient forsaking many functionalities that non-embedded
computer operating systems provide. They may not be used by the specialized
applications that they run and are frequently real-time operating system.
An embedded system is some combination of computer hardware and software,
either fixed in capability or programmable, that is specifically designed
for a particular kind of application device. Industrial machines,
automobiles, medical equipment, cameras, household appliances, airplanes,
vending machines, and toys (as well as the more obvious cellular phone and
PDA) are among the myriad possible hosts of an embedded system. Embedded
systems that are programmable are provided with a programming interface, and
embedded systems programming is a specialized occupation.
Certain operating systems or language platforms are tailored for the
embedded market, such as Embedded Java and Windows XP Embedded. However,
some low-end consumer products use very inexpensive microprocessors and
limited storage, with the application and operating system both part of a
single program. The program is written permanently into the system's memory
in this case, rather than being loaded into RAM (random access memory), as
programs on a personal computer are.
So essentially, an embedded operating system is one that runs “in the
background” that allows a certain electronic device to run and operate
efficiently. They are found in products like TiVo, games systems like
Nintendo and Playstation, as well as cell phones and PDAs.
Unlike a computer operating system which is at the forefront of the computer
user’s interface with the computer, an embedded system is not generally
noticeable or controllable by the user of the device. Embedded operating
systems are designed to perform a small amount of tasks and are specially
designed to perform these tasks with very specific requirements.
Embedded operating systems are used in many different devices in various
areas of industry. They can be found in medical devices like an EKG machine,
thermostats, microwave ovens, washers, dryers, routers, printers, and much
more. Business
Guides and
Web Directories such as these two one,
reference a large number of editorially edited resources that also use
embedded operating systems. They can even be found in the operation and deployment of military
missiles which is where the embedded operating system was first developed
back in the 1940’s.
We have come to depend on certain gadgets to help make our lives easier and
less stressful. Without an embedded operating system, these products could
not operate or function properly. While we generally don’t think about an
embedded operating system, just know that they are out there and we use them
every day without ever thinking about the technology that went into creating
them. But then again, we don’t have to! |