July 22 : The PC alliance

Qdos operating system
Qdos operating system

July 22, 1980

IBM and Microsoft forms one of the most dominant platforms

On this day in 1980,a small group of engineers developing the IBM PC, meet with Bill Gates and Steve Ballmer of Microsoft to discuss licensing software and an operating system for the IBM first PC.

The deal was made and Microsoft was contracted to develop an operating system for the forthcoming IBM PC Model 5150 home computer.

Microsoft didn’t have its operating system when the deal was made, Microsoft licensed an OS developed by Seattle Computer Products known as QDOS.

The first IBM PC, formally known as the IBM Model 5150, was based on a 4.77 MHz Intel 8088 microprocessor and used Microsoft´s MS-DOS operating system announced.

IBM PC was widely copied (“cloned”) and led to the creation of a vast “ecosystem” of software, peripherals, and other commodities for use with the platform and Microsoft has become dominant player in the P.C software industry.

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