Saying "microcomputer" (we didn't use a hyphen) is wrong is incredibly arrogant.
They're computers based on microprocessors. Hence, microcomputer. We often called them "micros" for short. Many Brits still do.
I know that "PC" now means "capable of running Windows", but back in the 80s and early 90s it usually meant more literally "personal computer", which was a synonym for "a computer small enough to fit on your desk".
A "PC" capable of running (Microsoft) Windows is also capable of running a wide variety of other operating systems as well. Despite what some would like to believe, Microsoft compatibility does not define what a personal computer is, even today. The PC is the machine, Windows is just software running on the machine.
They're computers based on microprocessors. Hence, microcomputer. We often called them "micros" for short. Many Brits still do.
I know that "PC" now means "capable of running Windows", but back in the 80s and early 90s it usually meant more literally "personal computer", which was a synonym for "a computer small enough to fit on your desk".