Early Personal Computers  1970's Ed Roberts: MITS Altair computer (1974) Bill Millard: IMSAI 8080 (1974) Radio Shack: TRS-80 (1977) Steve Wozniak and Steve Jobs: The Apple I and II Computer (1976)   TRS-80 Model 1 Computer, Altar 8800, 1974 Altar/IMSAI 8800 poster, Apple IIe Computer, copyright by Tom Carlson TRS-80 Poster, copyright by The Computer Museum IMSAI 8800 computer, copyright by Micheal Friese Gary Kidney