Design and Operating Characteristics of a Centralized On-line Data Processing System at Langley Research Center
National Aeronautics and Space Administration, 1970 - Computer software - 38 pages
Centralized on-line data processing system providing concurrent service for five test facilities.
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COMPUTER ORGANIZATION AND OPERATING SYSTEM
DATA ACQUISITION SOFTWARE
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20 digital channels acquisition peripheral program Beckman Executive program Beckman record Binary coded decimal central data recording central memory central processor program central recording area central recording facility centralized on-line data characters circular buffer compute request computer operating system computer resources computer system connection control file control and decommutation control information control point control terminal data acquisition peripheral data acquisition program data acquisition software data acquisition system data file data recording facility data reduction executive data reduction overlay data reduction program data reduction subprograms decommutation program digital computer complex disk storage file name file of data input interface unit interrupt sequence Langley Research Center Low-speed remote terminals malfunction non-time-critical programs on-line activity on-line data system on-line system operating system parameter control file patchboard peripheral processor program polling loop real-time monitor reduction executive program remote terminal subsystem research facility routine stack test facility test parameters test sites wait status