tabulating punch cards

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• Tabulating machine — The tabulating machine was a machine designed to assist in tabulations. Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census.The term Super Computing was first used by the New York World newspaper… …   Wikipedia

• punch card — noun a card on which data can be recorded in the form of punched holes • Syn: ↑punched card, ↑Hollerith card • Hypernyms: ↑card * * * noun or punched card Etymology …   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

• 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

• Plugboard — This article is about plugboards, or control panels, in unit record machines, cypher machines and early computers. For other uses, see plug board (disambiguation). IBM 402 Accounting Machine control panel[1] wiring. This board was labeled profit… …   Wikipedia

• computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …   Universalium

• Herbert Marvin Ohlman — (1927 2002) is the inventor of permutation indexing, or Permuterm and is one of the pioneers of Information Science and Technology. He has been recognized and included in the [http://www.libsci.sc.edu/bob/ISP/ISP.htm Pioneers of Information… …   Wikipedia

• History of IBM — Timeline= For issues and trends that span particular time periods, see major events, trends, and technologies, below.1880s–1924: The origin of IBMIBM s history dates back decades before the development of electronic computers. It originated as… …   Wikipedia

• Thomas J. Watson — Infobox Person name = Thomas John Watson image size = 200px caption = Thomas Watson, pictured in 1917 birth date = birth date|1874|2|17|mf=y birth place = Campbell, New York, U.S. death date = death date and age|1956|6|19|1874|2|17|mf=y death… …   Wikipedia

• APEXC — The APEXC, or All Purpose Electronic X Ray Computer was designed by Andrew D. Booth at Birkbeck College, London in the early 1950s. From 1943 on, he started working on the determination of crystal structures using X ray diffraction data. The… …   Wikipedia

• papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper.   paʹper·mak er n. * * * Introduction       formation of a matted or felted sheet, usually of cellulose fibres,… …   Universalium