资料来源 : Free On-Line Dictionary of Computing

IBM 7090
     
         A transistorised version of the {IBM 709} which was
        a very popular high end computer in the early 1960s.  The 7090
        had 32Kbytes of 36-bit {core} memory and a hardware {floating
        point unit}.  {Fortran} was its most popular language, but it
        supported many others.  It was later upgraded to the {IBM
        7094}, and a scaled down version, the IBM 7040 was also
        introduced.
     
        IBM 7090s controlled the Mercury and Gemini space flights, the
        Balistic Missile Early Warning System (until well into the
        1980s), and the {CTSS} {time sharing} system at {MIT}.
     
        The 7090 was not good at unit record I/O, so in small
        configurations an {IBM 1401} was used for {SPOOL} I/O and in
        large configurations (such as a 7090/94) a 7040/44 would be
        directly coupled and dedicated to handling printers and {card
        readers}.  (See the film Dr Strangelove).
     
        (1999-01-19)