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[9] [10] Programmable machines were also invented by Muslim engineers, such as the automatic flute player by the Banū Mūsā brothers. [11] During the Middle Ages, several European philosophers made attempts to produce analog computer devices.
First fully transistorized computer in the U.S. 1958: American engineer Jack Kilby invented the integrated circuit (IC) 1960: American engineer Theodore Maiman develops the first laser: 1962: Nick Holonyak invented the LED: 1963: First home Videocassette recorder (VCR) 1963: Electronic calculator: 1966: Fiber-optic communication by Kao and ...
The second-generation computer architectures initially varied; they included character-based decimal computers, sign-magnitude decimal computers with a 10-digit word, sign-magnitude binary computers, and ones' complement binary computers, although Philco, RCA, and Honeywell, for example, had some computers that were character-based binary ...
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Osborne 1 portable computer introduced; the company sold many units before filing for bankruptcy only two years later. 12 August 1981 US IBM announced their open architecture IBM Personal Computer. [2] 100,000 orders were taken by Christmas. The design becomes far more successful than IBM had anticipated, and becomes the basis for most of the ...
The Kenbak-1 is considered by the Computer History Museum, [2] the Computer Museum of America [3] and the American Computer Museum [4] to be the world's first "personal computer", [5] invented by John Blankenbaker (born 1929) of Kenbak Corporation in 1970 and first sold in early 1971. [6]
1999: America Online has over 18 million subscribers and is now the biggest internet provider in the country, with higher-than-expected earnings. It acquires MapQuest for $1.1 billion in December.
ENIAC (/ ˈ ɛ n i æ k /; Electronic Numerical Integrator and Computer) [1] [2] was the first programmable, electronic, general-purpose digital computer, completed in 1945. [3] [4] Other computers had some of these features, but ENIAC was the first to have them all.