punch card input output device

  • 1computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …

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  • 2PDP-11 — This article is about the PDP 11 series of minicomputers. For the PDP 11 processor architecture, see PDP 11 architecture. The PDP 11 was a series of 16 bit minicomputers sold by Digital Equipment Corporation (DEC) from 1970 into the 1990s, one of …

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  • 3computer science — computer scientist. the science that deals with the theory and methods of processing information in digital computers, the design of computer hardware and software, and the applications of computers. [1970 75] * * * Study of computers, their… …

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  • 4IBM 407 — The IBM 407 Accounting Machine, introduced in 1949, was the culmination of a long line of IBM tabulating machines dating back to the days of Herman Hollerith (see the tabulators and accounting machines in List of IBM products#Unit record… …

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  • 5Harvard Mark I — ▪ computer technology  an early protocomputer, built during World War II in the United States. While Vannevar Bush (Bush, Vannevar) was working on analog computing (analog computer) at the Massachusetts Institute of Technology (MIT), across town… …

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  • 6Unit record equipment — Before the advent of electronic computers, data processing was performed using electromechanical devices called unit record equipment, electric accounting machines (EAM) or tabulating machines. Unit record machines were as ubiquitous in industry… …

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  • 7History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… …

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  • 8List of IBM products — The following is a list of notable products from the International Business Machines (IBM) Corporation and its predecessor corporations, beginning in the 1890s, and spanning punched card machinery, time clocks, and typewriters, via mainframe… …

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  • 9PDP-8 — A PDP 8 on display at the Smithsonian s National Museum of American History in Washington, D.C.. This example is from the first generation of PDP 8s, built with discrete transistors and later known as the Straight 8. The 12 bit PDP 8 was the… …

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  • 10Timeline of computing hardware 2400 BC–1949 — History of computing Hardware before 1960 Hardware 1960s to present Hardware in Soviet Bloc countries Artificial intelligence Computer science Operating systems Programming languages …

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