1978 | OriginalPaper | Buchkapitel
Step 4: Design Phase
verfasst von : John E. Bingham, A.C.I.S., A.M.B.I.M., M.B.C.S., M.D.P.M.A., Garth W. P. Davies, M.A. (Cantab.), M.I.Inf.Sc.
Erschienen in: A Handbook of Systems Analysis
Verlag: Macmillan Education UK
Enthalten in: Professional Book Archive
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In this step of systems analysis we proceed from the ‘what’ of the new system (discussed in Chapter 4) to the ‘how’, i.e., we move from the agreed definition of systems objectives and requirements to the detailed system design which is to be implemented. This means that the entire system has to be defined in terms of information flow, files, volumes, printed output designs, procedures, manually used forms, program specifications, etc. In addition, a revised estimate of the operational cost of the system is calculated after the design has been completed and a revised plan for implementation produced.