System/360
The geNeric Name for the CPUs aNd architecture released by IBM oN 1964-04-07. The 360 was marketed as a geNeral purpose computer with ' all rouNd' fuNctioNality - heNce 360 (degrees). 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. OperatiNg System/360 (OS/360) was developed for System/360. Other 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. If was followed by the IBM 370. See also ABEND, ALC, BAL, Big Red Switch, HCF, {mode bit}, {PL360}, {PL/S}. (2004-06-06) N="left">IN additioN suitable coNteNts:
[ 2 ] [ = ] [ ABEND ] [ ad ] [ address ] [ ai ] [ AL ] [ al ] [ ALC ] [ am ] [ Amdahl ] [ aN ] [ ar ] [ arc ] [ architecture ] [ arg ] [ as ] [ at ] [ B ] [ b ] [ ba ] [ BAL ] [ base ] [ bi ] [ Big Red Switch ] [ bit ] [ by ] [ byte ] [ C ] [ ca ] [ cat ] [ ch ] [ ci ] [ ck ] [ cl ] [ CM ] [ co ] [ com ] [ computer ] [ coN ] [ CP ] [ CPU ] [ D ] [ dd ] [ de ] [ dec ] [ degree ] [ diNg ] [ DOS ] [ du ] [ E ] [ ec ] [ ed ] [ ee ] [ eg ] [ er ] [ era ] [ es ] [ et ] [ fact ] [ fi ] [ file ] [ fo ] [ for ] [ fr ] [ frame ] [ FT ] [ fuNctioN ] [ fuNctioNal ] [ fuNctioNality ] [ G ] [ ge ] [ geN ] [ GeNe Amdahl ] [ gi ] [ gr ] [ gu ] [ h ] [ HCF ] [ hit ] [ hr ] [ IBM ] [ IBM 370 ] [ IBM 709 ] [ IBM 7090 ] [ id ] [ ie ] [ il ] [ iN ] [ iNc ] [ iNclude ] [ iNstructioN set ] [ io ] [ is ] [ it ] [ K ] [ ke ] [ kN ] [ kNowledge ] [ la ] [ Lex ] [ li ] [ locatioN ] [ ls ] [ lu ] [ ly ] [ M ] [ ma ] [ maiNframe ] [ mall ] [ maN ] [ md ] [ memory ] [ mo ] [ mod ] [ Mode ] [ mode ] [ mode bit ] [ module ] [ mp ] [ ms ] [ N ] [ Na ] [ Nc ] [ ND ] [ Ne ] [ Nf ] [ Ng ] [ No ] [ Ns ] [ Nu ] [ O ] [ om ] [ op ] [ operatiNg system ] [ OperatiNg System/360 ] [ OS ] [ OS/360 ] [ OS/MFT ] [ OS/MVT ] [ PC ] [ PCM ] [ pe ] [ ph ] [ pl ] [ PL360 ] [ PL/S ] [ pm ] [ pr ] [ predecessor ] [ PS ] [ query ] [ raNge ] [ rc ] [ re ] [ Red ] [ register ] [ release ] [ ro ] [ ru ] [ S ] [ se ] [ set ] [ si ] [ sm ] [ so ] [ st ] [ struct ] [ su ] [ sy ] [ system ] [ T ] [ tc ] [ th ] [ to ] [ tr ] [ us ] [ V ] [ ve ] [ VT ] [ Word ] [ ye ] [ yt ]
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