punch card reader

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• Computer programming in the punch card era — From the invention of computer programming languages into the 1980s, many if not most computer programmers created, edited and stored their programs on punch cards. The practice was nearly universal with IBM computers in the era. In many… …   Wikipedia

• Card — The term card (from Greek χάρτης chartēs , paper, papyrus ), primarily refers to cardboard or a piece of this.More generally, the term can refer to any of various small flat objects, typically made from heavy paper or plastic. In particular: *… …   Wikipedia

• card — {{Roman}}I.{{/Roman}} noun 1 giving written or electronic information ADJECTIVE ▪ ID, identity, membership ▪ business, calling, visiting (esp. BrE) ▪ appointment …   Collocations 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

• Computer programming in the punched card era — Punched card from a Fortran program. From the invention of computer programming languages up to the mid 1980s, many if not most computer programmers created, edited and stored their programs on punched cards. The practice was nearly universal… …   Wikipedia

• Lace card — A lace card is a punch card with all holes punched (also called a whoopee card, ventilator card or IBM doily ). Card readers tended to jam when a lace card was inserted, as the resulting card had too little structural strength to avoid buckling… …   Wikipedia

• 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

• 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 It was withdrawn on February 8, 1971.From the [http://www… …   Wikipedia

• IBM 1620 — The IBM 1620 was announced by IBM on October 21, 1959 and marketed as an inexpensive scientific computer . After a total production of about two thousand machines, it was withdrawn on November 19, 1970. Modified versions of the 1620 were used as… …   Wikipedia

• ENIAC — [ Betty Jean Jennings (left) and Fran Bilas (right) operate the ENIAC s main control panel at the Moore School of Electrical Engineering. (U.S. Army photo from the archives of the ARL Technical Library)] ENIAC, short for Electronic Numerical… …   Wikipedia

• MCM/70 — The MCM/70 was a pioneering microcomputer first released in 1973, making it one of the first microcomputers in the world, the first to be shipped in completed form, the first portable computer, and arguably the first truly usable microcomputer… …   Wikipedia