A microprocessor (µP, MPU) is a device that implements the core elements of a computer system on a single integrated circuit, or at most a few integrated circuits. Modern microprocessors typically incorporate the functionality of a clock, central processing unit (CPU), arithmetic logic unit (ALU), control unit (CU), memory interfaces, interrupts, input/output interfaces, and cache. Specialized microprocessor may also serve as or include graphical processing units (GPUs), signal processing units (DSPs), memory, and various converters.

functionality

The basic functionality of a microprocessor is to continuously read in digital data consisting of instructions and possibly values; executes them by interpreting the instructions and performing a certain operation on the values; and finally outputs a result.

See also

• List of processor families

References

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