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T r a ns a ctio n P rocessin g, F unction a l A p p lic a tion s & Inte g r a tio n. F u nc ti on a l Ar e a s in a B u s i nes s. K ebu t uhan Func t i onal I n f or m a t i on Sy s t em. Func t i onal I S yg u t a m a: p r oduks i / ope r as i on a l , m a r ke t i ng,
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TransactionProcessing, FunctionalApplications& Integration
KebutuhanFunctionalInformation System FunctionalISyg utama:produksi/operasional,marketing, human resource, accounting,danfinancial. Contoh: customer membelibarangsecara kredit, ketika order itusampaidimarketing/sales, kredittersebut harus diapproveolehfinance. Bagianproduksi mengecekbarangitu diwarehouse, jikaada,maka bagianpackingakanmelakukan shipping. Bagianaccountingmempersiapkannota, bagian financemempersiapkanasuransi. JikaITtidaksinkrondancepat => customer service menjadi jelek Dibutuhkanintegratedapproach
FunctionalInformationSystem Characteristics Composedofsmaller systems TerdiridaribeberapaISyangmendukungaktivitastertentu (misal:bagianPenjualandanAkuntansi) Bersifatintegratedatauindependent Interfacing FISmungkinakanberinteraksidengansistemdaripihak luarorganisasi Cth:HRdapatmengumpulkandatatentangpasartenaga kerja Supportiveofdifferentlevel Operational:kegiatantransaksional, Managerial:keputusanjangkapendek, Strategic:keputusanjangkapanjang
Transaction Processing InformationSystems TPSmonitors,collects,stores,processes,& disseminatesinformationforall routinecore business transactions. CharacteristicsofTransactionProcessing Systems: RapidProcessing Processestransactions virtually instantly Reliability Ensurestransactionsneverslip past thenet, & systemsthemselvesare operationalpermanently Standardization Acquiresstandarddata for each transaction ControlledAccess Accessisrestrictedtoonlythose employees whorequire their use
TransactionProcessingInformation System Transaksipastiterjadipadasetiaporganisasi: Untukmemproduksimainan,makaperluordermaterialdan spareparts,membayartenagakerjadanlistrik,membuatorder pengirimanbarang,dannotauntukkonsumen. Bankjugamencatatakunkita,dll Setiaptransaksipastimenghasilkantransaksilainnya (tambahan) pembelianakanmempengaruhibagianinventory(gudang), membayargajiakanmengurangikas(akuntansi) Transaksiperludikomputerisasi Untukmeminimalisasikesalahan TujuanTP ISadalahmenyediakansemuadatayg dibutuhkanoleh bisnisprosesperusahaan Handlehighvolume transaction,avoid errors,avoid downtime, neverlose results,maintainprivacydansecurity
CharacteristicsTPS Largevolumeofdata are processed Sourcedata is mostlyinternal TPS processesinformationinregular: etc daily, weekly, biweekly, TPS monitors&collectscurrent or pastdata Input&outputdataare structured A highlevel ofdetail Low computationcomplexity Accuracy,dataintegrity,andsecurityare needed Highreliability Inquiryprocessingfromdatabase(in realtime)
TPSactivitesandmethods TPSactivitiesoccursintwo ways: Batchprocessing:transaksidisimpan diprosesdi akhir periode dan Onlineprocessing:transaksidisimpandan diprosessecarareal time(as soonas transaction occurs)
TPS–OnlineTransactionProcessingSystems WithOLTPand Web technologiessuchas an extranet,suppliers canlook atthefirm’s inventory levelor productionschedule in real time. Thesuppliersthemselves,in partnershipwith theircustomers, canthen assumeresponsibilityforinventory management and ordering. InteractiveInternetTPS expandsOLTPto provideenhancedreal timetransactionprocessingover the Internetor intranets.
TypicalOLTPEnvironments Airline/RailwayReservationSystems BankingSystems(ATM,EFT, ...) Tradingand BrokerageSystems Hotel/ HospitalSystems Reservationsystems:set aside service/product future use for Point-of-sale(POS) terminals:sellsgoods/services Libraryloan systems:keeps track ofitems borrowed fromlibrary
ACIDPropertyofTransactions Atomicity: Either allupdates are performedor none Consistency:Ifthe databasestateat thestart ofa transactionis consistent,itwill be consistentatthe endofthe transaction Isolation:When multipletransactionsare executed concurrently,thenet effectis as though each transactionhas executedin isolation Durability:Aftera transactioncompletes(commits), its changesare persistent
Transaction States Partially Committed Committed Active Failed Aborted
Transaction A transaction can haveone of two outcomes: If it completessuccessfully,thetransaction saidtohave committedandthedatabase reachesanewconsistentstate. is If it does notexecute successfully,the transactionis aborted. Thisis knownas roll-back.
TPSactivites PostingGeneralLedger(Buku Besar) Accountspayabledanreceivable Receivingandshipping Inventory Fixedassetsmanagement Payroll Reporttogovernment Personalfiles andskillsinventory
Batch eachtransactionpartofagroup databaseisnotaccessibleallofthetime moreerrors dataisorganisedandstoredbeforemasterfile isupdated–errorscanoccurduringthesesteps easiertomaintainthanreal-time
Real-time/Online each transaction isunique requires master file tobe availablemore oftenfor updating fewer errors – transaction data isvalidatedandentered immediately infrequenterrors may occur– but oftentolerated notpracticaltoshutdownwholesystem (infrequent errors) morecomputeroperatorsare requiredin real-time processing– operationsnotcentralised
Examplesofbatchtransactionprocessing Chequeclearance:written order askingbank to pay money toa person Billgeneration:an invoicefor goods/services suppliedto a customer. Creditcard impression salestransaction:takes of customer’s card
3 disadvantagesinbatchprocessing Processingschedulepredetermined Errors unabletobe corrected during processing Sortingtransaction data –expensive and time consuming
Backup&recovery Backup:anothercopy of data Recoveryprocessesincludebackup, checkpointandrecovery manager Recovery Backwardrecovery: undounwantedchanges Forwardrecovery: redo changes
Recovery Loggingfacilities,whichkeeptrackof the currentstateof transactions and database updates. Acheckpoint facility,whichenablesupdates to thedatabasewhichare in progresstobe madepermanent. Arecoverymanager,whichallowsthe system torestore thedatabasetoa consistentstatefollowinga failure.
Recovery T2danT3-permanently recored T1danT6– undone(abort) T4danT5– redone(recover)
ManagingProduction/Operations&Logistics TPS–ManagingProduction/Operations& Logistics Afew oftheITsupportedPOMareasare: In-houselogisticsandmaterialsmanagement Planningproduction/operations Computer-integratedmanufacturing(CIM) Productlifecyclemanagement(PLM) MarketingandHumanResourceManagement
ManagingProduction/Operations&Logistics TPS–ManagingProduction/Operations&Logistics
In-HouseLogistics&MaterialsManagement Dealswith ordering,purchasing,inbound logistics(receiving),&outboundlogistics (shipping)activities. Purchasingresults inincomingmaterials& parts. Parts inspectedforquality thenstored. Activitiessupportedbyinformationsystems.
ManagingProduction/Operations&Logistics TPS–PlanningProduction/Operations POMplanningisamajorcomponentofoperationalsystems Material RequirementsPlanning (MRP):softwareyangmemanajemeni rencana pembelianbahanbaku.TerintegrasidenganMaster Production Schedules, BOM’s, dan Inventorylevels. ManufacturingResourcePlanning (MRPII) menambahfungsionalitaspada MRPdgnmencaritahuhargabahanbakudancash flow,juga mengira-iraupah buruh, hargatools, hargaperbaikan, danlaporan2kebutuhan. Just-in-Time Systemssuatupendekatanyangmeminimalisasihal ygtdkberguna (space,labor, materials,energy,dll.)danmeningkatkanprocessesdansystems. Digunakanpadamass customization danbuild-to-orderenvironments. Project Management.Terdiridari bnykkegiatan, dalam tempoygcukuplama. Softwaretoolssuchas:programevaluationand reviewtechnique(PERT)and thecritical pathmethod(CPM)are usedtomanage milestones,resources,costs,etc. WorkManagementSystems(WMS)memanajemenidistribusibarangdan pekerjaan . Berhubungandenganresource allocation danreallocation.
ManagingProduction/Operations&Logistics TPS–ProductLifecycleManagement
MarketingandSalesSystems TPS–CustomerRelations Itisessentialforcompaniestoknowwhotheircustomersareandtotreatthemproperly.Innovativeproductsandservices,successfulpromotions,customization,andcustomerserviceareanecessityformostorganization. CustomerProfilesand PreferenceAnalysis.Sophisticatedinformationsystemsare beingdevelopedtocollectdataonexistingandpotentialcustomers, their demographics(age,gender,income level),andpreferences. ProspectiveCustomerListsandMarketingDatabases.Allfirms needtoknow and track whotheirexistingandpotentialcustomers are.Theseprospective-customer lists can beanalyzedandsortedbyclassificationfordirectmailing,e-mailing,or telemarketing. Mass Customization.Today’scustomers prefercustomized products.Through mass customization,thepracticeof maintaining inventory,manufacturerscanofferdifferent product configurationsat reasonableprices. Personalization.Specialproductoffersaremade, basedonwherethecustomer spenttheirtime andon whattheymayhavepurchased. AdvertisingandPromotions.Specialpromotionsorcouponsarepresentedtothe customervia mails,email,wireless andpervasive computingapplications.
MarketingandSalesSystems TPS–Marketing Management Manymarketingmanagementdecisionapplicationsaresupportedby computerizedinformationsystems. Pricing ofProductsorServices.Sales volumesarelargelydeterminedbythe pricesof productsorservicesasis profit. SalespersonProductivity.Salespeople differfromeachother in sellingskill.Sales- force automationincreases salesperson productivity byproviding themwithmobile devices,accesstoinformation, etc. ProfitabilityAnalysisprofit contributionof certainproductsandservicescanbe derivedfromcost-accountingsystems SalesAnalysisAndTrends.Marketing.TPScollectsalesfiguresthatcanbe searched fortrendsandrelationships. NewProducts,Services,andMarket Planning.Newproductsandservicescanbe an expensiverisk.“Willit sell?”Requirescareful analysis,planning, forecasting,and marketresearch. Web-BasedSystemssupport marketingandsales throughdatacapture
TPS–AccountingandFinanceSystems Accountingandfinancefunctionalareasmanagetheinflowand outflowoforganizationalassets.Thisinvolvesallfunctions ofan etc. organizationincludingpayroll,billing, FinancialPlanningandBudgeting FinancialandEconomicForecasting Planningfor IncomingFunds cash management, Budgeting CapitalBudgeting ManagingFinancialTransactions FinancialandEconomicForecasting Planningfor IncomingFunds Budgeting CapitalBudgeting
MajorBenefitsofUsingBudgetingSoftware Reducestime& effortinthebudgetprocess. Possibletoeasilyexplore& analyzeimplications oforganizational& environmentalchanges. Canfacilitateintegrationofcorporatestrategic objectiveswithoperationalplans. Maymakeplanninganongoing,continuous process. Automaticallymonitorexceptionsforpatterns& trends.
TPS–HumanResourcesSystems(Continued) HumanResourcesPlanningandManagement PersonnelPlanning Labor–ManagementNegotiations Payrolland Employees’Records BenefitsAdministration EmployeeRelationshipManagement
HRM Activities HRM activities.
Recruitment Searchengineson the Webcanhelpwith attracting & repellingappropriatecandidates. Internet makesadvertisingmuch simpler process,althoughlargenumbersmayresult. Socialnetworkingsitessuch as Jobster & LinkedInhave gainedwidespreadpopularity.
HRMaintenance&Development Performanceevaluation– supervisor,peer, &/or subordinate. Wage reviewsare also relatedtoperformance evaluations. Training& HR development – planning classes&tailoringspecifictrainingprograms to meet needsof organization&employees. May includecareer developmentplanfor eachemployee.