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ON THE ECONOMICS OF INFORMATION PROCESSING
A Operations 68
Console Operations Management
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access method activities agement algorithm analysis application development application software benefits budget cation centralization cess communication complete computing console coordination cost components data base data definitions data entry package data processing Datamation decentralization display documentation DOS/VSE DP management economies of scale effort Engineering estimate example factors forests function hardware implementation increase information processing information services department interface JES2 JES3 KSLOC lines of code LOCs maintenance manpower matrix measure ment methodologies modules multiple NPDA operator organization organizational output PD&B performance personnel phase planning problem processors responsibility Reusable Category reusable data entry reuse schedule single-system image SLOC software cost software development Software Engineering software life cycle Software Maintenance software product Software Reusability software system specific standards structure system development System test techniques tion TPROS tralized units utilization variable costs velopment