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Introduction to Information Systems Development
What Is Systems Analysis
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accounts payable accounts receivable actions activities application prototyping automated batch chapter charts COBOL communications components cost data dictionary data elements data entry data flow analysis data flow diagrams data items data stores data structure data structure diagrams database decision table decision tree describe determine discussed disk display screen document end-user entered entities errors evaluate example Figure fourth-generation languages functions graphic handle identify implementation information systems input interact interblock gap inventory invoice logical master file mation ment menu messages method modules needed occur operating order entry organization output payment performance personal computer personnel problems procedures request requirements retrieval selection Sevco specific storage strategy structure charts structured analysis systems analysts systems design systems development telephone terminals testing transmission users vendor