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