I don't think I ever saw a personal computer outside of a science museum prior to my 1981-82 school year, when a new kid joined my class and brought his father's TRS-80 Model III for an extended visit to the classroom. The new kid and I became good friends, owing to our mutual love of science fiction and D&D. I wasted many an hour playing the Star Trek text game on that "Trash-80" over my new friend's house. So, while I didn't own a personal computer myself (though, as I recall, we called them "microcomputers" back then), I had actually used one, at least for playing video games.
In 1982, there weren't a lot of video games, but, of those that existed, the most interesting ones (to me anyway) were produced by a company called Epyx and, for a time, they seemed to advertise in every issue of Dragon. Take, for example, issue #62 (June 1982):
Looking back, it's possible derivativeness is what interests me. I don't know that the designers of Crush, Crumble & Chomp had in fact played The Creature That Ate Sheboygan, but the fact that it seemed plausible to me speaks volumes about how different the world was back then. In those days, I could readily believe that a computer game designer was a roleplayer or wargamer and looked to those hobbies for inspirations. Nowadays, I usually feel the reverse.