dataflowdiagram-090322155640-phpapp01.pptVIP免费

Howto:DataFlowDiagrams(DFDs)DataFlowDiagrams(DFDs)Dataflowdiagram(DFD)isapictureofthemovementofdatabetweenexternalentitiesandtheprocessesanddatastoreswithinasystem1.0CheckStatus2.0IssueStatusMessages3.0GenerateShippingOrderACCOUNTINGCUSTOMERWAREHOUSE4.0ManageAccountsReceivable5.0ProduceReportsOrderIn-StockRequestStatusDataStatusMessagePendingOrdersD1OrderDataOrderDataShippingOrderShippingConfirmationInvoicePaymentAccountsReceivableD2AccountingDataAccountsReceivableDataOrderDataInventoryReportsDFDSymbols(Gane&Sarson)ProcessDataFlowDataStoreSource/Sink(ExternalEntity)ProcessWorkoractionsperformedondata(insidethesystem)LabelsshouldbeverbphrasesReceivesinputdataandproducesoutput1.0ProduceGradeReportGradeDetailGradeReportRule1:ProcessCanhavemorethanoneoutgoingdataflowormorethanoneincomingdataflow1.0GradeStudentWorkSubmittedWorkGradedWorkStudentGrade3.0CalculatedGrossPayHoursWorkedPayRateGrossPayRule2:ProcessCanconnecttoanyothersymbol(includinganotherprocesssymbol)1.0VerifyOrder2.0AssembleOrderOrderAcceptedOrderInventoryChangeProcess:Correct/Incorrect?5.0CreateInvoiceServicesPerfomedInvoiceApplyInsurancePremiumPaymentAmountPolicyNumber2.1CalculateGrossPayHoursWorkedPayRateDataFlowIsapathfordatatomovefromonepartoftheIStoanotherArrowsdepictingmovementofdataCanrepresentflowbetweenprocessanddatastorebytwoseparatearrowsDeposit2.1PostPaymentAccountsReceivableD1PaymentDetailInvoiceDetailDataFlow:Correct/Incorrect?CoursesStudentsClassList5.0PostPaymentCustomerPaymentD2DailyPayments6.0PrepareDepositDailyPaymentDataStoreIsusedinaDFDtorepresentdatathatthesystemstoresLabelsshouldbenounphrasesStudentsD1Rule:DataStoreMusthaveatleastoneincomingandoneoutgoingdataflowDailyPaymentsD1CustomerPaymentDailyPaymentDataStore:Correct/Incorrect?2.0BookFlightPassengersFightRequestD2AccountsReceivablePaymentDetail3.0PostPaymentInvoiceDetailSource/Sink(ExternalEntity)Externalentitythatisoriginordestinationofdata(outsidethesystem)Isthesingularformofadepartment,outsideorg...