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card-punch buffer

См. также в других словарях:

  • Punch (tool) — For punches used in punch presses, see Punching. A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at the other, which is usually struck by a hammer. Punches are used to drive objects, such as nails, or to form an… …   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

  • IBM 1401 — The IBM 1401, the first member of the IBM 1400 series, was a variable wordlength decimal computer that was announced by IBM on October 5, 1959. It was withdrawn on February 8, 1971.From the [http://www… …   Wikipedia

  • Honeywell 200 — The Honeywell 200 was a character oriented two address commercial computer introduced by Honeywell in the early 1960s, the basis of later models including 1200, 1250, 2200, 3200, 4200 and the later 2700, and the character processor of the… …   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

  • IBM 305 RAMAC — The IBM 305 RAMAC was the first commercial computer that used a moving head hard disk drive (magnetic disk storage) for secondary storage. IBM introduced the storage unit on September 4, 1956 before unveiling the entire computer nine days later… …   Wikipedia

  • List of UNIVAC products — This is a list of UNIVAC products. The Remington Rand years (1950 to 1955) Calculating devices *UNIVAC 60 *UNIVAC 120Computer systems*UNIVAC I *UNIVAC 1101 *UNIVAC 1102 *UNIVAC 1103Peripheralstorage* UNISERVO tape driveDisplay and print*UNIVAC… …   Wikipedia

  • Standard streams — In Unix and Unix like operating systems, as well as certain programming language interfaces, the standard streams are preconnected input and output channels between a computer program and its environment (typically a text terminal) when it begins …   Wikipedia

  • IBM 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… …   Wikipedia

  • IBM 1401 — Un Sistema IBM 1401. Desde la izquierda: lector/perforador 1402, procesador 1401, impresora 1403. La computadora IBM 1401, primer miembro de la serie IBM 1400, era un ordenador decimal de longitud de palabra variable que fue sacado al mercado por …   Wikipedia Español

  • Two pass verification — Two pass verification, also called double data entry, is a data entry quality control method that was originally employed when data records were entered onto sequential 80 column Hollerith cards with a keypunch. In the first pass through a set of …   Wikipedia

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