IBM PC Day - 1981: IBM introduced the 5150 personal computer. It swept away the competition and effectively had the field to itself. Enjoy! - Relax and enjoy these images and videos!
For an operating system, IBM first went to Digital Research, which had developed CP/M. When Digital Research declined, IBM went to a small firm known for microcomputer adaptations of Basic: Microsoft.
Microsoft bought the rights to Seattle Computer Products' QDOS. QDOS became PC-DOS and later MS-DOS.
Before 1980, IBM made only mini and mainframe computers. The old-line firm was not sure that the fledgling microcomputer market would be at all profitable.
But once the company decided to act, it developed the 5150 in less than a year at its Boca Raton, Florida, facility. IBM selected Intel's 8-to-16-bit 8088 processor.
Enjoy! - Relax and enjoy these images and videos!