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recording field of punched card

См. также в других словарях:

  • Punched card — Overpunch redirects here. For the code, see Signed overpunch. A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined… …   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

  • 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

  • Early IBM disk storage — The invention of magnetic disk storage, pioneered by IBM in the 1950s, was a critical component of the computer revolution. This article surveys the major IBM computer disk drives introduced in the 1950s, 1960s and early 1970s. The basic… …   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

  • 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

  • Herman Hollerith — Infobox Person name = Herman Hollerith caption = birth date = birth date|1860|2|29|mf=y birth place = Buffalo, New York death date = Death date and age|1929|11|17|1860|2|29 death place = Washington, DC occupation = Statistician, inventor,… …   Wikipedia

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

  • History of the floppy disk — 8 inch, 5¼ inch, and 3½ inch floppy disks Over the history of the floppy disk a number of different formats were used. Floppy disks have now been largely superseded by other storage media and by network file transfer. Contents …   Wikipedia

  • Computer — For other uses, see Computer (disambiguation). Computer technology redirects here. For the company, see Computer Technology Limited. Computer …   Wikipedia

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