paper-tape code

  • 41SIGABA — In the history of cryptography, the ECM Mark II was a rotor machine used by the United States from World War II (WWII) until the 1950s. The machine was also known as the SIGABA or Converter M 134 by the Army, or CSP 888/889 by the Navy, and a… …

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  • 42Manchester Mark 1 — This article is about the early British computer. For the aircraft, see Avro Manchester and Avro 533 Manchester. The Manchester Mark 1 was one of the world s first stored program computers. The Manchester Mark 1 was one of the earliest stored… …

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  • 43ALGOL — This article is about the programming language family. For other uses, see Algol (disambiguation). ALGOL Paradigm(s) procedural, imperative, structured Appeared in 1958 Designed by Bauer, Bottenbruch, Rutishauser, Samelson, Backus, Katz, Perlis …

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  • 44Radioteletype — (RTTY) is a telecommunications system consisting of two or more teleprinters using radio as the transmission medium.The term radioteletype is used to describe:* either the entire family of systems connecting two or more teleprinters over radio,… …

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  • 45Linotype machine — The Linotype machine (pronounced Line O Type [IPA| laɪnəˌtaɪp] ) is a line casting machine used in printing. The Linotype machine operator enters text on a 90 character keyboard. The machine assembles matrices , which are molds for the letter… …

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  • 46IBM 1130 — The IBM 1130 Computing System was introduced in 1965. It was IBM s least expensive computer to date, and was aimed at price sensitive, computing intensive technical markets like education and engineering. The IBM 1800 was a process control… …

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  • 47Frederick G. Creed — Frederick George Creed (1871–1957) was a Canadian inventor, who worked in the field of telecommunications, and played an early role in the development of SWATH vessels, The CCGS Frederick G. Creed , a SWATH vessel, is named after him.CareerCreed… …

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  • 48PDP-1 — at the Computer History Museum with Steve Russell, creator of Spacewar!. The large cabinet houses the processor itself. The main control panel is just above the desk, the paper tape reader is above it (metallic), and the output of the Teletype… …

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  • 49History of personal computers — This article covers the history of the personal computer. A personal computer is one which is directly used by an individual, as opposed to a mainframe in which the end user s requests are filtered through an operating staff, or a time sharing… …

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  • 50History of operating systems — The history of computer operating systems recapitulates to a degree the recent history of computer hardware. Operating systems (OSes) provide a set of functions needed and used by most application programs on a computer, and the linkages needed… …

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