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Essay On Embedded System

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What is an embedded 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 function. 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 programming interfaces

Figure 1 Embeded system data flow

An embedded system usually does not look like a computer, often there is no keyboard or monitor or mouse. But like any computer it has a processor and software, input and output. The word embedded means it is built into the system. It is a permanent part in a bigger system.

Why use embedded systems?
Embedded systems are considered when the cost of implementing a product designed in software on a microprocessor and some small amount of hardware, is cheaper, more reliable, and often more efficient or better for some other reason than a discrete hardware design. It is possible for …show more content…

Doctors program the defibrillator to fit the patient using an external device. A defibrillator can be implanted in the patient and replaces the need for the external paddle (manual) defibrillators. Patients might not feel any difference until the machine starts to work
And except that cardiology, we have some more in medical industries, like in blood analyzer, diagnostic imaging devices, and monitoring devices for cholesterol or diabetic patients. They enable patients to respond well to treatment based on the embedded devices and their condition may be monitored remotely by their doctor using the

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