There's a handy CDRom out there that not only teaches the basics (well, "Basic" means different things to different people)
(with a demonstration at http://www.spi-web.com)

but happens to be fun-- voices talking, a couple actual demonstrations, and you don't have to be a computer wizard to play it.

ASTD (American Society of Training and Development) chose the course to be presented to 3,000 attendees at a national conference devoted to CBTComputer Based Training.