Exhibits At the Museum

This Day in History

Today: October 20, 2014

November 6, 1980

Microsoft Signs Contract with IBM to Create Operating System

Microsoft signs a contract with IBM to create an operating system for the new IBM PC. The PC ignited the personal computer market, making home computers popular among more than just hobbyists. Microsoft co-founders Bill Gates and Paul Allen developed the Microsoft Disk Operating System, commonly known as MS-DOS, using existing software from a Seattle company as a foundation.