History of the IBM PC: 40 Years Ago
6 min readAug 16, 2021
40 years ago, the IBM PC was released.
August 12, 1981, IBM announced its first “personal computer,” though it had previously been famous for its IBM System/370 mainframe computer. I operated one of these mainframes in a raised-floor data center back in the early ’80s.
The PC was officially called the IBM Model 5150 and sported a 4.77 MHz Intel 8088 microprocessor. It had been…
