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Input and output units
Selecting a computer
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accounting applications packages auditor autocode basic batch benchmark test British Computer Society budget bureau buyer calculation cards central processing unit COBOL computer department computer files computer installation computer room computer service computer systems consultants cost data base data processing department decision detailed devices disk documentation effective ensure equipment evaluation example facilities management factors Figure forecast FORTRAN function Gantt chart hardware high-level languages implementation input instructions involved linear programming machine magnetic tape manual manufacturers marketing mathematical methods micro-program National Computing Centre normally objectives operating system optimising organisation output payroll performance planning possible problem procedures processor production punched cards real-time records responsible schedule selection software houses specialist specification staff stage standards storage structure supplier systems analysis techniques unit user departments usually variables