punched-card reproducer

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• 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

• 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

• IBM 513 — The IBM 513 Reproducing Punch ( [http://ed thelen.org/1401Project/513FrontSide .jpgphoto] ) was a card punching machine developed by IBM. The machine could perform these functions:* Reproducing all or part of the data on a deck of punched cards.… …   Wikipedia

• IBM 514 — The IBM 514 Reproducing Punch [http://www.tietokonemuseo.saunalahti.fi/eng/kuva 11 eng.htm (photo)] was a card punching machine developed by IBM. The 514 was announced in 1949, withdrawn in 1978. The machine could perform these functions:*… …   Wikipedia

• IBM 519 — The IBM 519 Electric Document Originating Machine, introduced in 1946, was the last in a series of unit record machines designed for automated production of punch cards. It could reproduce all or parts of the information on a set of cards; copy… …   Wikipedia

• File comparison — in computing is the automatic comparing of data between files on a file system. The result of comparisons are typically displayed to the user, but can also be used to accomplish tasks in networks, file systems and revision control.Examples of… …   Wikipedia

• Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …   Wikipedia