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It was designed and invented by John Blankenbaker of Kenbak Corporation in 1970, and was first sold in early 1971. Unlike a modern personal computer, the Kenbak-1 was built of small-scale integrated circuits, and did not use a microprocessor. The system first sold for US$750. Only 44 machines were ever sold, though it's said 50 to 52 were built.
Global PC sales fell sharply in the first quarter of 2013, according to IDC data. The 14% year-over-year decline was the largest on record since the firm began tracking in 1994, and double what analysts had been expecting. [85] [86] The decline of Q2 2013 PC shipments marked the fifth straight quarter of falling sales. [87] "This is horrific ...
Henry Edward Roberts (September 13, 1941 – April 1, 2010) was an American engineer, entrepreneur and medical doctor who invented the first commercially successful personal computer in 1974. [1] He is most often known as "the father of the personal computer." [2]
Gary Arlen Kildall (/ ˈ k ɪ l d ˌ ɔː l /; May 19, 1942 – July 11, 1994) was an American computer scientist and microcomputer entrepreneur. During the 1970s, Kildall created the CP/M operating system among other operating systems and programming tools, [5] and subsequently founded Digital Research, Inc. to market and sell his software products.
The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business Machines (IBM), directed by William C. Lowe and ...
On this day in economic and business history... International Business Machines burst into the growing personal computer field Wednesday by announcing a new system that will be sold through IBM's ...
PC-MOS/386; Topaz [38] – semi-distributed OS for DEC Firefly workstation written in Modula-2+ and garbage collected; Windows 2.0; 1988 A/UX (Apple Computer) AOS/VS II (Data General) CP/M rebranded as DR-DOS; Flex machine – tagged, capability machine with OS and other software written in ALGOL 68RS; GS/OS; HeliOS 1.0
He holds three of nine PC patents for being the co-creator of the IBM personal computer released in 1981. [3] In 1995, Dean was named the first ever African-American IBM Fellow. [4] Dean was elected as a member into the National Academy of Engineering NAE in 2000 for innovative and pioneering contributions to personal computer development.