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A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...
This category contains articles about punched cards and card handling equipment, including card readers, card punches, and keypunches. Subcategories This category has the following 2 subcategories, out of 2 total.
When use of the ticket punch proved tiring and error-prone, Hollerith developed the pantograph "keyboard punch". It featured an enlarged diagram of the card, indicating the positions of the holes to be punched. A printed reading board could be placed under a card that was to be read manually. [35]: 43 Hollerith envisioned a number of card sizes.
A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards. A computer card punch is a computer output device that punches holes in cards. Sometimes computer punch card readers were combined with computer card punches and ...
L100 may refer to: L 100, a Belgian resistance organisation; Albatros L 100, light aircraft built in Germany; Hammond L-100, an electric organ series; HMAS Choules (L 100), a Bay-class landing ship with the Royal Fleet Auxiliary (RFA) HMS Liddesdale (L100), Type II Hunt-class destroyer of the Royal Navy; JBL L-100, a model of musical loudspeaker
EX-1000 was one of the first models built by Hammond Suzuki in Japan. Later the minor models EX-700 and 800 were added. This model had 3 types of expansion cards: (1) Voice ROM cards (extra sounds), (2) Autoband Style cards (rhythm and accompaniments), (3) RAM cards (user memory, 16K and 32K) [90] [91] XB-2: 1991–1998 [11] Single manual organ.
The first combination of card punch and typewriter, permitting selected text to be typed and punched, was developed by the Powers company in 1925. [23] The IBM 824 Typewriter Card Punch was an IBM 024 where the 024 keyboard was replaced by an IBM electric typewriter. [24] Similarly, the IBM 826 used an IBM 026 Keypunch. [25]
1949: The IBM 024 Card Punch, 026 Printing Card Punch, 082 Sorter, 403 Accounting machine, 407 Accounting machine, and Card Programmed Calculator (CPC) introduced. [52] 1952: Bull Gamma 3 introduced. [53] [54] An electronic calculator with delay-line memory, programmed by a connection panel, that was connected to a tabulator or card reader ...