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card punch unit

См. также в других словарях:

  • 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

  • unit record — Computers. a single unit of input or output, as a punch card or line of printout. * * * …   Universalium

  • unit record — Computers. a single unit of input or output, as a punch card or line of printout …   Useful english dictionary

  • 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

  • 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

  • Computer programming in the punched card era — Punched card from a Fortran program. From the invention of computer programming languages up to the mid 1980s, many if not most computer programmers created, edited and stored their programs on punched cards. The practice was nearly universal… …   Wikipedia

  • New Mobile Report Gundam Wing Dual Story: G-Unit — This article is about the manga series. For the rap group, see G Unit. Gundam Wing G Unit Genre Military science fiction Manga …   Wikipedia

  • IBM 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… …   Wikipedia

  • List 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… …   Wikipedia

  • IBM System/360 — The IBM System/360 (S/360) is a mainframe computer system family announced by IBM on April 7, 1964. It was the first family of computers making a clear distinction between architecture and implementation, allowing IBM to release a suite of… …   Wikipedia

  • IBM CPC — The IBM Card Programmed Electronic Calculator or CPC was announced by IBM in May 1949. Later that year an improved machine, the CPC II was also announced.The original CPC Calculator had the following machines interconnected by cables: *Electronic …   Wikipedia

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