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COMPUTER SYSTEM BASICS
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analysis Apple Macintosh application software array ASCII BICYCLE binary number bits bytes calculations cell channel Chapter characters commands customer number data management software database management decision desktop desktop publishing developed digits disk drive displayed document EBCDIC electronic employee Enter example executed Figure file or database flowchart functions gram graphic output hardware information system input and output input data input device instructions interface item number keyboard loop machine language magnetic disk mainframe computers menu microcomputer minicomputers mouse move the cursor needed node operating system organization output devices payroll primary storage printers problem processor programming language pseudocode puter QBasic QBasic program record retrieve salesperson screen secondary storage spreadsheet spreadsheet software stored data string student subroutine tape terminal test scores tion Total Tuition units usually variable word processing word processing program word processing software worksheet