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Data Flow Diagrams
DFD Process Descriptions
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aliases automated Available-Credit Base price Chapter context diagram current system cycle data and processes data dictionary data elements data flow diagrams data processing database design dataflow decision table decision tree defined definition DeMarco describe detail discussed draw DFDs entries example functional DFDs Gane Go to lounge goals implementation inputs and outputs item of data layer logical DFDs logical files Lounge Go lounge Wait impatiently manager means method mini-model needs Omelette-Pan omnibus meeting Overdraft Paycheck physical data physical DFD problem process description produce project dictionary prototype pseudocode real world requires Robert Keller Sarson scheduling set of DFDs set of logical Site-No solution step struc structured analysis structured design structured English structured programming structured project structured specification Structured Systems System Specification systems development tbsp technical techniques tion Trans-Amount transaction unambiguous understanding user and analyst walkthrough Yourdon Press