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Dictionary and Thesaurus entries for:ibm 360Your search results...From The Free On-line Dictionary of Computing: (http://www.foldoc.org/, Editor Denis Howe) Models ranged from the 360/20 to the 360/65 and later the 360/95, with typical memory configurations from 16K to 1024K. Elements of the architecture, such as the basic instruction set are still in use on IBM mainframes today. Associated operating systems included DOS, OS/MFT and OS/MVT. The 360 architecture was based on an 8-bit byte, 16 general purpose registers, 24-bit addressing, and a PSW (Program Status Word) including a location counter. Gene Amdahl, then an IBM employee, is generally acknowledged as the 360's chief architect. He later went on to found Amdahl Corporaton, a manufacture of PCM mainframe equipment. The 360's predecessors were the smaller IBM 1401 and the large IBM 7090 series. See also ABEND, ALC, BAL, Big Red Switch, HCF, mode bit, PL360, PL/S. (1999-01-24) |
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