Learn in the textbookTypes and Characteristics of Computers
DefinitionA PC (personal computer, パーソナルコンピュータ) is a small computer that one person uses for all kinds of work, such as writing documents and working with spreadsheets.
ExplanationThere are desktop models that sit on a desk and notebook models you can carry around. By changing the software installed, the same machine can serve for office work, study or entertainment.
AnalogyIt is like your own car, which you drive wherever your errands take you.
Memory hookPersonal means "for one person", and the P in PC says exactly that.