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  1. en.wikipedia.org › wiki › IBM_407IBM 407 - Wikipedia

    The 407 was the central component of many unit record equipment shops which were the mainstay of IBM's business at the time. It could print digits, letters and several special characters in any of 120 print positions, spaced 0.1 inches apart (2.5 mm).

  2. El IBM 407 fue el primer tabulador de IBM que no requirió tales cambios mecánicos; todas las funciones del 407 estaban controladas eléctricamente y estaban completamente especificadas por el panel de control de la aplicación y la cinta de transporte.

  3. 7 de sept. de 2023 · The 407 reads a deck of punched cards on its integrated card reader (left), accumulates totals, subtotals, or other simple statistics in counters made of gears, and prints the results on its integrated 120-column line printer (center). Speed: 100 to 150 cards per minute.

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  4. The list of IBM products is a partial list of products, services, and subsidiaries of International Business Machines (IBM) Corporation and its predecessor corporations, beginning in the 1890s. [1] Context.

  5. The term unit record equipment also refers to peripheral equipment attached to computers that reads or writes unit records, e.g., card readers, card punches, printers, MICR readers. IBM was the largest supplier of unit record equipment and this article largely reflects IBM practice and terminology.

  6. The IBM 407 Accounting Machine, introduced in 1949, was one of a long line of IBM tabulating machines dating back to the days of Herman Hollerith. It was the central component of any unit record equipment shop.

  7. 4 de sept. de 2023 · The 407 was the last of IBM's electromechanical accounting machines. The next product from IBM that was capable of doing all the same things (and, of course, more) at an affordable price was a general-purpose electronic digital computer, the 1401 (1959).