embedded system
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An embedded system is a specialized computer built into a larger device to handle one specific job—like controlling a car's engine or managing a refrigerator's temperature. These systems matter because they make everyday machines smarter and more reliable by automating tasks that would otherwise require constant human attention.
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An embedded system on a plug-in card with processor, memory, power supply, and external interfaces
An embedded system is a specialized computer system—a combination of a computer processor, computer memory, and input/output peripheral devices—that has a dedicated function within a larger mechanical or electronic system. It is embedded as part of a complete device, often including electrical or electronic hardware and mechanical parts. Because an embedded system typically controls physical operations of the machine that it is embedded within, it often has real-time computing constraints. Embedded systems control many devices in common use. In 2009, it was estimated that 98% of all microprocessors manufactured were used in embedded systems.