IBM Personal Computer

IBM PCIBM Model 5150, developed under the code name “Chess” but better known as the IBM Personal Computer, is released, including the original PC edition of Microsoft’s MS-DOS. This not only marks the ascendency of Microsoft as a maker of operating systems, but a sudden shift away from a multitude of other computer platforms (especially the Apple II series) toward the IBM PC. Within a year, the first IBM PC-compatible machine will arrive on the market, but while that begins to cost IBM its hardware market share, it popularizes the Intel-8088-based architecture and makes it the standard of the computer industry.

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