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Introduction to Information Systems Development
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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 tables decision tree describe determine discussed disk document end-user ensure entered entities errors evaluate example Figure fourth-generation languages function graphic handle identify implementation information systems input interblock gap inventory invoice item number manufacturing master file mation menu method module needed occur operating order entry organization output payment performance personal computer personnel problems procedures purchase order request requirements retrieval selection specific storage strategy structure charts structured analysis systems analysts systems design systems development telephone terminals testing transmission update users vendor