Computers Today

amount owed assembly language BASIC BILLING chapter characters chart chips COBOL computer system cost Courtesy data base data communications data entry data processing developed direct-access processing discount discussed display documents electronic errors example Feedback and Review floppy disk flowchart FORTRAN functions hardware input data instructions invoice language loop machine magnetic disk magnetic tape mainframe micro microcomputer minicomputers minis Module MOSQUITO BIRD needed operations organizations perform personal computer PIERRE'S RECORD PL/I prepare primary storage primary storage section PRINT printers problem processors program control program flowchart program storage area punched card puter R-K Enterprises retrieval Rob Brooks sales amount secondary storage sequence sequential processing shown in Figure specific speed statement step storage device storage locations stored symbols teleprinter terminals TERMS AND CONCEPTS tion total sales transaction unit price updated users videotex word processing