Embedded systems

Embedded systems are controlled by one or more main processing cores that are typically either microcontrollers or digital signal processors (DSP) The key characteristic, however, is being dedicated to handle a particular task. They may require very powerful processors and extensive communication, for example air traffic control systems may usefully be viewed as embedded, even though they involve mainframe computers and dedicated regional and national networks between airports and radar sites (each radar probably includes one or more embedded systems of its own).

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