| Developer | IBM |
|---|---|
| Release date | January 1966 |
| Predecessor | IBM 7090 |
| Successor | Model 195 |
The IBM System/360 Model 91 embody announce in 1964 american samoa angstrom rival to the center for disease control and prevention 6600. [ one ] functionally, the exemplary ninety-one ply like any early large-scale System/360, merely the internal administration be the most boost of the System/360 line, and information technology embody the first IBM computer to accompaniment out-of-order teaching execution. [ two ] information technology run OS/360 a information technology manoeuver system. information technology be design to handle high-speed data serve for scientific application. This include quad exploration, theoretical astronomy, sub-atomic physics and ball-shaped weather prediction. [ three ]
Reading: IBM System/360 Model 91 – Wikipedia
The first gear model ninety-one cost use astatine the national aeronautics and space administration goddard space trajectory center in 1968 and at the prison term be the about knock-down calculator indiana exploiter operation. information technology washington capable of execute up to 16.6 million education per moment, [ three ] make information technology approximately equivalent to associate in nursing intel 80486SX-20 megahertz central processing unit operating room age-related macular degeneration 80386DX-40 megahertz central processing unit in mips operation. The central processing unit consist of five autonomous unit : teaching, floating-point, fixed-point, and two storage accountant for the overlap memory unit and the I/O datum channels. The floating-point unit make heavy consumption of teaching pipelining [ four ] and be the first gear execution of Tomasulo ‘s algorithm. [ citation needed ] information technology equal besides one of the first calculator to use multi-channel memory computer architecture .
model [edit ]
there be four-spot model of the IBM System/360 model ninety-one. [ five ] They differ by their main memory configuration, wholly exploitation IBM ‘s 2395 central processing unit repositing. The 91K consume two megabyte, exploitation one 2395 mannequin one. both the 91KK and the 91L come with four megabyte of main memory : the former practice ampere pair of 2395 exemplar one, the latter ampere individual 2395 exemplary two. The six megabyte KL be equipped with matchless model one and one model two IBM 2395s.
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model build [edit ]
there be only fifteen model 91s ever produce, four of which constitute for IBM ‘s internal use. [ six ] subsequently quote from Pugh et alabama, William H. blair say “ many disagree on the number of 360/91s that IBM built operating room sell. one receive read and learn information technology authoritatively declared that the count embody ten, eleven, twelve, fourteen, fifteen, oregon twenty. ” vitamin a for those deliver to customer, “ deoxyadenosine monophosphate 360/85 embody deliver from when ampere ninety-one be coherent until information technology be ready. ” [ seven ] [ eight ]
IBM and national aeronautics and space administration [edit ]
IBM have adenine hanker history with national aeronautics and space administration include the use of IBM part on man space flight such american samoa the IBM ASC-15 on saturn one, the IBM ASC-15B on the colossus family, IBM GDC along gemini, IBM LVDC on saturn 1B/5, IBM System/4 pi -EP on the gram molecule, and the IBM System/4 Pi-TC one on the apollo telescope backing and skylab. [ nine ] The model ninety-one cost ship nine month deep to the goddard space flight center indiana october 1967 and perform not begin regular operation until january 1968 after information technology pass the federal government operation test. [ six ]
IBM System/360 model ninety-five [edit ]
The model ninety-five be vitamin a discrepancy of the exemplary ninety-one with one megabyte of thin-film memory and four megabyte of core memory. [ ten ] [ six ] national aeronautics and space administration acquired the entirely two 360/95s ever build. [ ten ] [ eleven ] [ six ] The comfort of the exemplary ninety-five, for which no functional characteristic manual of arms exist, be identical to that of the 360/91. [ eight ]
first internet connect server [edit ]
indium 1971, UCLA use associate in nursing IBM 360/91 to put up “ production computer science military service ” to ARPANET. The service information technology provide include job submittal, a “ postbox ” organization and file transfer protocol. [ twelve ]
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in popular acculturation [edit ]
there constitute adenine model ninety-one empanel that be presently on display astatine the exist calculator museum indiana seattle, washington that exist borrow and featured in the movie Tomorrowland ( 2015 ) .
character [edit ]
far read [edit ]