Explain a Microprocessor?

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Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and executes the instructions. Most Micro Processor are single- chip devices.

A single chip CPU is called as Microprocessor.The CPU is made of two units namely the Arithmetic and Logic Unit and the Control Unit.It performs functions like executing the instructions given by the user program, controlling the I/O operations and the functions of peripheral devices
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