personal computer vs microcomputer

personal computer and microcomputer both are nouns.

Word	Noun	Adjective	Verb	Adverb
personal computer	Yes	No	No	No
microcomputer	Yes	No	No	No

As nouns, personal computer and microcomputer are synonyms defined as:

personal computer and microcomputer: a small digital computer based on a microprocessor and designed to be used by one person at a time

Other synonyms of personal computer include PC.

personal computer (noun)	microcomputer (noun)
a small digital computer based on a microprocessor and designed to be used by one person at a time	a small digital computer based on a microprocessor and designed to be used by one person at a time