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key punched card

См. также в других словарях:

  • Key punch — A key punch is a device for entering data into punched cards by precisely punching holes at locations designated by the keys struck by the operator. Early keypunches were manual devices. Later keypunches were mechanized, often resembled a small… …   Wikipedia

  • Punched tape — Five hole and eight hole punched paper tape Punched tape or paper tape is an obsolete form of data storage, consisting of a long strip of paper in which holes are punched to store data. It was widely used during much of the twentieth century for… …   Wikipedia

  • key punch — /ˈki pʌntʃ/ (say kee punch) noun a keyboard by means of which holes are punched into tape or cards which can then be read by a computer. Also, card punch …  

  • Glossary of cryptographic key types — This glossary lists types of keys as the term is used in cryptography, as opposed to door locks. Terms that are primarily used by the U.S. National Security Agency are marked (NSA). For classification of keys according to their usage see… …   Wikipedia

  • aperture card — noun : a punched card for data processing in which one or more frames of a microfilmed document are mounted * * * aperture card, a key punch card with one or more openings for holding a microfilm frame or frames, used in data processing,… …   Useful english dictionary

  • computer — 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… …   Universalium

  • History 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… …   Wikipedia

  • Unit 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… …   Wikipedia

  • Electronic voting — Election technology Certification of voting machines Independent Testing Authority (ITA) NVLAP VVSG End to end auditable voting systems Help America Vote Act Independent verific …   Wikipedia

  • Timeline 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 …   Wikipedia

  • Computing Tabulating Recording Corporation — Fate Renamed Successor IBM Founded 1911 Defunct 1924 …   Wikipedia

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