The Micro Computer

The first computers made were big. Room size big. They were also very expensive and pretty slow and you had to be a specialist to program them. So the president of IBM, Thomas Watson, can be forgiven for his infamous quote from 1943: I think there is a world market for maybe five computers.

Commodore PET
MacBook Pro

mi·​cro·​com·​put·​er | \ ˈmī-krō-kəm-ˌpyü-tər
A micro computer is defined as a computer with a single central processing unit (CPU) as a microprocessor.