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An Embedded System is a system that has electronic hardware with software tightly coupled together. Processor, Timers, Interrupt controller, I/O Subsystem, Memories, Ports, etc. Single 8 bit or 16bit Microcontroller. Low hardware and software complexity.
Embedded systems are often programmed using embedded C.
Some examples of embedded systems include: Digital watches, Washing machines, Toys, Televisions, Digital phones, Laser printers, Cameras, Industrial machines.
Embedded systems can be classified into four categories based on performance and functional requirements:
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