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E.g.:-order entry system, cheque processing systems, accounts receivable systems, payroll system and ticket reservation systems . These system help any company to conduct operations and keep track of its activities .Slide 3: A ticket reservation system displays a message on the terminal indicating seats sold out to people, it also prints the tickets and perhaps a mailing label for sending them. event Transaction keyed TPS Program TPS Data Report (s) Notice of event ResponceTPS Characteristics: TPS Characteristics They collect, store, modify and retrieve the transaction of an organisation. Directly support business operations Must be designed in conjunction with the organisation’s procedures. Main information processes: collecting and storage.Slide 5: On-line system:- it involves a direct connection between the operator and the TPS program, they provide immediate result.eg. An order arrive by telephone call it is processed at that moment and the results are produced. event Transaction keyed TPS Program TPS Data Report (s) Notice of event Responce Types of TPSSlide 6: Batch processing :-it is the second types of TPS, where transaction are grouped together and processed as a unit. Eg:-a cheque processing system in a bank all the cheque received in a particular day are grouped together. They are then sorted by the account no and processed in a batch.Examples of batch transaction processing: Examples of batch transaction processing Cheque clearance: written order asking bank to pay money to a person Bill generation: an invoice for goods/services supplied to a customer. Credit card sales transaction: takes impression of customer’s cardLarge batch: Large batch Mainframe PC and magnetic tape Payroll or stock info Employee: hours worked, overtime earned Payroll master file updated Pay slips created (ALL employees) Often run at night – less demand for info sys3 disadvantages in batch processing: 3 disadvantages in batch processing Processing schedule predetermined Errors unable to be corrected during processing Sorting transaction data – expensive and time consumingDifferences btween real-time and batch: Differences btween real-time and batch Real time: each transaction is unique; transactions are stand-alone; requires master file to be available more often for updating; fewer errors – transaction data is validated and entered immediately; infrequent errors may occur – but often tolerated; not practical to shut down whole system (infrequent errors); Batch: each transaction part of a group; database not accessible all of the time; more errors; data is organised and stored before master file is updated – errors can occur during these steps; easier to maintain than real-time.Examples of real-time transaction processing: Examples of real-time transaction processing Reservation systems: set aside service/product for future use Motels Point-of-sale (POS) terminals: sells goods/services Library loan systems: keeps track of items borrowed from libraryLEVEL OF INFORMATION SYSTEM: LEVEL OF INFORMATION SYSTEMDIFFERENCE BETWEEN EIS,MIS AND TPS: DIFFERENCE BETWEEN EIS,MIS AND TPS LOWEST LEVEL OPERATION (TPS) INPUT :-Transaction or events Processing :-sorting, listing,merging,updating Outputs :Detailed reports,lists,summaries Users :-operational personnel,supervisors A computerized system that performs and records daily routine transaction necessary to the conduct of business.Slide 14: Level two(management level) MIS Input : summary transaction data Processing : simple models,low level analysis Output :- summary reports Users : middle managers Example: weekly, monthly and annual resource allocation. not 5 yr plan not daily details but something in between.Slide 15: Top level (strategic level ) EIS inputs : aggregate data, internal and external Processing : interactive and graphical simulations Outputs : Projections Users : Seniors managers Example : 5 yr operating plan, what are long term industry cost trends and how are we doing relative to themSlide 16: by Julian Carpo You do not have the permission to view this presentation. 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