What is the difference between a processor and a microprocessor?

A microprocessor is a computer chip which executes instructions. It is part of a computer.

A microcomputer is, well, a computer. It has a microprocessor, memory, I/O, etc There are three difference between microprocessor and microcomputer: 1. Microprocessor is one component of the microcomputer. 2. Microcomputer is a complete computer similar to any other computer. 3. The term peripheral is used for input/output devices. Peripheral: able to be attached to and used with a computer, though not an integral part of it.