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n An Invitation to Computers
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allows Apple application software automation BASIC binary bits bulletin boards calculations characters chip COBOL communication computer system copy cost CP/M create data base data managers data processing data-base decisions developed display screen document electronic ENIAC entered equipment errors example executed Figure files floppy disks flowchart FORTRAN functions gramming graphics hardware images industry information system input instructions keyboard laser logic loop machine language magnetic disks magnetic tape manufacturers memory microcomputers microprocessor minicomputers modem monitor number system operating system organization Pascal perform personal computers popular portable primary storage printer problem programming language punched cards puter records reports require robots schools secondary storage software packages speed spreadsheet statement stored structured programming system analysis teachers terminal testing transmission unit variable word processor write