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The IBM 2501 is a punched-card reader from IBM with models for the System/360 and System/370 mainframe systems and for the IBM System/360 Model 20, the IBM 1130 and IBM System/3 minicomputers. 2501 models can read 80-column cards at either 600 or 1000 cards per minute (CPM).
Adobe Digital Editions (abbreviated ADE) is an e-book reader software program from Adobe. It is used for acquiring, managing, and reading e-books , digital newspapers , and other digital publications.
An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. 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.
There are 80 contacts, one for each column on a standard IBM punched card. Input hopper for the IBM 1402's card punch Cables entering the back of the IBM 1402. The IBM 1402 was a high-speed card reader/punch introduced on October 5, 1959 as a peripheral input/output device for the IBM 1401 computer.
A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...
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IBM 1442 [1] [2] is a combination IBM card reader and card punch. It reads and punches 80-column IBM-format punched cards [ 3 ] and is used on the IBM 1440 , the IBM 1130 , the IBM 1800 [ 4 ] and System/360 [ 5 ] and is an option on the IBM System/3 .
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