> Paul Allen & Bill Gates The Osborne 1, the first portable computer | 1980 - Hewlett-Packard releases the HP-85 Apple announces the Apple II Microsoft signs a consulting agreement with IBM to produce an operating system 1981 - Osborne Computer Corporation incorporates and a short time later introduces the Osborne 1, the first portable computer Steve Wozniak suffers a plane crash "Black Wednesday" firings occur at Apple Xerox releases the 8010 Star and the 820 computers IBM announces its Personal Computer IBM Personal computer