Can't tell the difference between DOS and BIOS? Think that RAM is just a male sheep? Then you need to take a look at this excellent 1984 guide to computers:
In Computability, an instructional VHS tape from 1984, comedian Steve Allen and actress Jayne Meadows "take us on a light-hearted but detailed tour of the ways a home computer can change your life by simply using the correct software packages to suit your needs." [...]
With an Apple II, a Kaypro 2, cheeseball computer animation and a grab-bag of corny jokes, this is classic computing from the VHS era. Keep an eye out for references to Wargames, hackers, Boy George, Ronald Reagan, and more.
From the always excellent Waxy blog by Andy Baio: Link