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The IBM 1255 is a MICR reader/sorter. The IBM 1270 is an OCR reader/sorter that uses the same sorter engine as the IBM 1255 but with more processing hardware. The CMC-7 models of the IBM 1255 as well as the IBM 1270 were not offered for sale in the United States. [22] [23] The input hopper holds a 5-1/2" stack of documents that uses a gravity feed.
IBM (1957). Machine Functions (PDF). 224-8208-3. A simplified description of common IBM machines and their uses. IBM (1957). IBM Equipment Summary (PDF). With descriptions, photos and rental prices. IBM (1959). IBM Operators Guide: Reference Manual (PDF). A24-1010-0. The IBM Operators Guide, 22-8485 was an earlier edition of this book; Murray ...
Products, services, and subsidiaries have been offered from International Business Machines (IBM) Corporation and its predecessor corporations since the 1890s. [1] This list comprises those offerings and is eclectic; it includes, for example, the AN/FSQ-7, which was not a product in the sense of offered for sale, but was a product in the sense of manufactured—produced by the labor of IBM.
The IBM 7090 is a second-generation transistorized version of the earlier IBM 709 vacuum tube mainframe computer that was designed for "large-scale scientific and technological applications". The 7090 is the fourth member of the IBM 700/7000 series scientific computers.
IBM's original OS/360 sort/merge program, 360S-SM-023, program name IERRCO00 (alias SORT), supported only IBM's first-generation direct-access storage devices (DASD) [d] and tapes (2400). Support for second-generation disk drives was provided by IBM program products such as 5734-SM1 and the later 5740-SM1 ( DFSORT , alias ICEMAN, also SORT).
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.
The IBM Diskette General Information Manual (PDF). Product Reference Literature (Fifth ed.). IBM. August 1979. "RX02 8 inch Floppy Drive Information". David Gesswein "8 inch floppy disks". University of Amsterdam. Archived from the original on July 2, 2016
The IBM 407 Accounting Machine, introduced in 1949, was one of a long line of IBM tabulating machines dating back to the days of Herman Hollerith. It had a card reader and printer; a summary punch could be attached.