When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Tabulating machine - Wikipedia

    en.wikipedia.org/wiki/Tabulating_machine

    The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith , the machine was developed to help process data for the 1890 U.S. Census .

  3. Unit record equipment - Wikipedia

    en.wikipedia.org/wiki/Unit_record_equipment

    1896: The Tabulating Machine Company founded by Hollerith, trade name for products is Hollerith; 1901: Hollerith Automatic Horizontal Sorter [17] 1904: Porter, having returned to England, forms The Tabulator Limited (UK) to market Hollerith's machines. [18] 1905: Hollerith reincorporates the Tabulating Machine Company as The Tabulating Machine ...

  4. Herman Hollerith - Wikipedia

    en.wikipedia.org/wiki/Herman_Hollerith

    Herman Hollerith (February 29, 1860 – November 17, 1929) was a German-American statistician, inventor, and businessman who developed an electromechanical tabulating machine for punched cards to assist in summarizing information and, later, in accounting.

  5. Punched card sorter - Wikipedia

    en.wikipedia.org/wiki/Punched_card_sorter

    A punched card sorter is a machine for sorting decks of punched cards. Sorting was a major activity in most facilities that processed data on punched cards using unit record equipment. The work flow of many processes required decks of cards to be put into some specific order as determined by the data punched in the cards.

  6. IBM 407 - Wikipedia

    en.wikipedia.org/wiki/IBM_407

    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 had a card reader and printer; a summary punch could be attached. Processing was directed by a control panel.

  7. Bull Gamma 3 - Wikipedia

    en.wikipedia.org/wiki/Bull_Gamma_3

    The Gamma 3 was an early electronic vacuum-tube computer.It was designed by Compagnie des Machines Bull in Paris, France and released in 1952.. Originally designed as an electronic accelerator for electromechanical tabulating machines, similar to the IBM 604, it was gradually enhanced with new features and evolved into a first-generation stored program computer (Gamma AET, 1955, then ET, 1957).

  8. Dehomag - Wikipedia

    en.wikipedia.org/wiki/Dehomag

    Willy Heidinger, an acquaintance of Hollerith, licensed all of Hollerith's The Tabulating Machine Company patents in 1910, and created Dehomag in Germany. [4] In 1911 The Tabulating Machine Company was amalgamated (via stock acquisition) with three others, creating a fifth company, the Computing-Tabulating-Recording Company (CTR).

  9. Computing-Tabulating-Recording Company - Wikipedia

    en.wikipedia.org/wiki/Computing-Tabulating...

    The Computing-Tabulating-Recording Company (CTR) [1] was a holding company of manufacturers of record-keeping and measuring systems; it was subsequently known as IBM.. In 1911, the financier and noted trust organizer Charles R. Flint, called the "Father of Trusts", amalgamated (via stock acquisition) four companies: Bundy Manufacturing Company, International Time Recording Company, the ...