Worldwide Engineering al Twitter: "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. The IBM
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/1024px-IBM_5100_-_MfK_Bern-59bf0d03685fbe0011695252.jpg "IBM's Invention of the First Personal Computer")
IBM's Invention of the First Personal Computer
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