Parallel operation in the control data 6600
AFIPS '64 (Fall, part II) Proceedings of the October 27-29, 1964, fall joint computer conference, part II: very high speed computer systems
Multiprogramming for hybrid computation
AFIPS '67 (Fall) Proceedings of the November 14-16, 1967, fall joint computer conference
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Real-time simulation has traditionally been associated with small, committed digital computers located in close proximity to analog computers or simulation equipment. However, the recent development of multi-programmed hybrid systems showed clearly that exclusive control of the digital computer by one simulation job at a time is not only unnecessary, but is, in fact, economically indefensible, due to the abnormally high proportion of idle time inherent in simulation work. Users of such multiprogrammed systems have been operating successfully, two or more at a time, with elementary teletype or CRT-keyboard terminals as their only means of communication with the central computer. It is, therefore, reasonable to assume that, given the appropriate software and hardware elements, such terminals could be located substantial distances away from the central computer without compromising the level of interactive control of the simulation.