card reader-punch
1Card — 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: *… …
2card — {{Roman}}I.{{/Roman}} noun 1 giving written or electronic information ADJECTIVE ▪ ID, identity, membership ▪ business, calling, visiting (esp. BrE) ▪ appointment …
3Punched 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… …
4Computer 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… …
5Computer 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… …
6Lace 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… …
7List 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… …
8IBM System/360 — The IBM System/360 (S/360) is a mainframe computer system family announced by IBM on April 7, 1964. It was the first family of computers making a clear distinction between architecture and implementation, allowing IBM to release a suite of… …
9IBM 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 It was withdrawn on February 8, 1971.From the [http://www… …
10IBM 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 After a total production of about two thousand machines, it was withdrawn on November 19, 1970.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… …
