What is an embedded system?

An embedded system is an electronic system that has software and is embedded in computer hardware. It is programmable or non- programmable depending on the application. An Embedded system is defined as a way of working, organizing, performing single or multiple tasks according to a set of rules. In an embedded system, all the units assemble and work together according to the program. Examples of embedded systems include numerous products such as microwave ovens, washing machines, printers, automobiles, cameras, etc. These systems use microprocessors, microcontrollers as well as processors like DSPs. This article gives an overview of what an embedded system is and types of embedded system.

The important characteristics of an embedded system are speed, size, power, reliability, accuracy, adaptability. Therefore, when the embedded system performs the operations at high speed, then it can be used for real -time applications. The Size of the system and power consumption should be very low, then the system can be easily adaptable for different situations.

Why is an embedded system needed?

Embedded systems are small, fast, and very powerful tools, gadgets and equipment which have become part of our everyday life. They are those computer systems that do not look like computer systems to the everyday user. They form a part of a larger system or product, part of anything, from mobile phones to medical devices, from agricultural farming tools to manufacturing equipment. An embedded system is a microprocessor based system that is built to control a function or range of functions and is not designed to be used by the user in the same way that a personal computer (PC).

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