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64-bit computing
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=== 64-bit data timeline === ; 1961: IBM delivers the [[IBM 7030 Stretch]] [[supercomputer]], which uses 64-bit data words and 32- or 64-bit instruction words. ; 1974: [[Control Data Corporation]] launches the [[CDC Star-100]] vector supercomputer, which uses a 64-bit word architecture (prior CDC systems were based on a 60-bit architecture). :[[International Computers Limited]] launches the [[ICL 2900 Series]] with 32-bit, 64-bit, and 128-bit [[two's complement]] integers; 64-bit and 128-bit floating point; 32-bit, 64-bit, and 128-bit packed decimal and a 128-bit accumulator register. The architecture has survived through a succession of ICL and Fujitsu machines. The latest is the Fujitsu Supernova, which emulates the original environment on 64-bit Intel processors. ; 1976: [[Cray Research]] delivers the first [[Cray-1]] supercomputer, which is based on a 64-bit word architecture and will form the basis for later Cray vector supercomputers. ; 1983: [[Elxsi]] launches the Elxsi 6400 parallel [[minisupercomputer]]. The Elxsi architecture has 64-bit data registers but a 32-bit address space. ; 1989: [[Intel]] introduces the [[Intel i860]] [[reduced instruction set computer]] (RISC) processor. Marketed as a "64-Bit Microprocessor", it had essentially a 32-bit architecture, enhanced with a 3D graphics unit capable of 64-bit integer operations.<ref name="smithsonian-i860">{{cite web |year=1989 |title=i860 64-Bit Microprocessor |url=https://smithsonianchips.si.edu/intel/i860.htm |access-date=30 November 2010 |publisher=Intel |archive-url=https://web.archive.org/web/20110319200648/https://smithsonianchips.si.edu/intel/i860.htm |archive-date=19 March 2011 |url-status=dead}}</ref> ; 1993: [[Atari]] introduces the [[Atari Jaguar]] [[video game console]], which includes some 64-bit wide data paths in its architecture.<ref>{{cite web |title=Atari Jaguar History |url=https://www.atariage.com/Jaguar/history.html |website=[[AtariAge]]}}</ref>
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