Embedded initially originated in the microcontroller technology,
is a variety of digital electronic, electromechanical products at the core, mainly used to achieve the control of hardware devices, monitoring or management functions. The most commonly used smartphone around us is an embedded system, which is configured with some hardware, such as the phone's storage device and battery is to take into account the removable, power consumption and other issues to develop a cell phone system.
At present, embedded systems are successfully used in smart devices, such as: smart phones, tablet PCs, home audio, toys and so on. In addition embedded systems have been widely used in medical devices, such as cochlear implants and cardiac monitors.
The real development of embedded computers is after the introduction of microprocessors. in November 1971, the arithmetic operator and controller circuits were successfully integrated together, the first microprocessor was introduced, and then various manufacturers have introduced 8-bit and 16-bit microprocessors. The system composed of these microprocessors as the core is widely used in instrumentation, medical equipment, robotics, household appliances and other fields.