magnetic drum access

  • 21Computer data storage — 1 GB of SDRAM mounted in a personal computer. An example of primary storage …

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  • 22printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …

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  • 23Bendix G-15 — The Bendix G 15 computer was introduced in 1956 by the Bendix Corporation, Computer Division, Los Angeles, California. It was about 5 by 3 by 3 ft (1.5m by 1m by 1m) and weighed about 950 lb (450 kg). The base system, without peripherals, cost… …

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  • 24Data storage device — Many different consumer electronic devices can store data …

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  • 25IBM 650 — The IBM 650 ( [http://www 03.ibm.com/ibm/history/exhibits/650/650 ph06.html photo] ) was one of IBM’s early computers, and the world’s first mass produced ( [http://www 03.ibm.com/ibm/history/exhibits/650/650 ph05.html photo] ) computer. It was… …

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  • 26UNIVAC — serves as the catch all name for the American manufacturers of the lines of mainframe computers by that name, which through mergers and acquisitions underwent numerous name changes. The company UNIVAC began as the business computer division of… …

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  • 27computer memory — memory (def. 11). * * * Introduction       device that is used to store data or programs (sequences of instructions) on a temporary or permanent basis for use in an electronic digital computer. Computers represent information in binary code,… …

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  • 28Booting — This article is about bootstrapping operating systems. For the general concept, see Bootstrapping. For other uses, see Booting (disambiguation). In computing, booting (also known as booting up) is a process that begins when a user turns on a… …

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  • 29LGP-30 — It was first manufactured in 1956 with a retail price of $47,000. The LGP 30 was commonly referred to as a desk computer. It was 26 inches deep, 33 inches high, and 44 inches long, exclusive of the typewriter shelf. The computer weighed… …

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  • 30ICT 1301 — The ICT 1301 and its smaller derivative ICT 1300 were early business computers from International Computers and Tabulators. Typical of mid sized machines of the era they used core memory, drum storage and punched cards, but they were unusual in… …

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