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Terminals and Data Communication
The Design of the Information System
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appropriate areas assist audit batch batch-processing applications batch-processing computer batch-processing system central computer central processor COBOL common computer files computer information system computer installation computer room computer storage computer system considered cost data bank data base data entry data-base administration Data-Base Management data-processing decisions detailed device disc documentation ensure errors essential estimates evaluation facilities feasibility study function gram implementation initial input inquiries machine magnetic tape main store management information system manual mation messages method minal modules needs on-line system operating system organization output password personnel PL/I possible precautions problems procedures processing program testing punched punched cards puter random access records relevant remote job entry response specific speed staff steering committee storage systems analysts systems design techniques terminal applications terminal operator terminal-based tion transaction transmission unauthorized updating usage user departments utilization various Visual Display Unit whilst