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WHAT IS DATA PROCESSING?
ELECTRONIC COMPUTERSA HISTORICAL SURVEY
THE SYSTEM CONCEPT AND INFORMATION FLOW IN BUSINESS ORGANIZATIONS
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alphabetic applications arithmetic binary bits calculations central processing unit channels characters cobol column computer system cost data-processing system decimal decision table deck designed developed digit division electronic employees entry example execution factor field firm flowchart format Fortran function handling hexadecimal indicator input data input-output devices installation instruction involved key punch keypunching language logical machine magnetic core magnetic drum magnetic tape manual memory ment method minicomputer multiplying needed ninety-six-column octal on-line operation organization output performed position primary primary storage printer printing problem procedure processor production punched card punched-card purchase puter reading station real-time record represented result routine secondary storage sequence shown in Fig sorter sorting specific speed statement steps storage stored subtraction supervisory program symbols systems analyst tape unit terminals time-sharing tion transmission UNIVAC