Transaction Processing SystemsTransaction Processing SystemsTransaction Processing SystemsTransaction Processing Systems

What is a TPS?What is a TPS?

Characteristics of TPSCharacteristics of TPS

a Transaction Processing Modela Transaction Processing Model

POS(Point Of Sale) Transaction Processing SystemPOS(Point Of Sale) Transaction Processing System

Batch Processing vs. On-line ProcessingBatch Processing vs. On-line Processing

TPS ApplicationsTPS Applications

What is a TPS?What is a TPS?

an information system designed to process routine an information system designed to process routine business transactions business transactions

seeks time- and cost-efficiency by automating repetitive seeks time- and cost-efficiency by automating repetitive operations in large volumesoperations in large volumes

interfaces with an organization’s other information interfaces with an organization’s other information systems, such as IRS, DSS, EISsystems, such as IRS, DSS, EIS

centers around accounting and finance transactionscenters around accounting and finance transactions e.g,, airline reservation systems, order entry/processing e.g,, airline reservation systems, order entry/processing

systems, bank’s account processing systemssystems, bank’s account processing systems

The Major Characteristics of TPSThe Major Characteristics of TPS Large amounts of dataLarge amounts of data are processed. are processed.

The sources of data are mostlyThe sources of data are mostly internal internal, and the output is intended mainly for an , and the output is intended mainly for an internal audience.internal audience.

The TPS processes information The TPS processes information on a regular basison a regular basis: daily, weekly, monthly, etc.: daily, weekly, monthly, etc.

Large storageLarge storage (database) capacity is required. (database) capacity is required.

High processing speedHigh processing speed is needed due to the high volume. is needed due to the high volume.

TPS basically monitors and collects TPS basically monitors and collects past datapast data..

Input and output data are Input and output data are structuredstructured (i.e., standardized). (i.e., standardized).

Low computation complexity Low computation complexity is usually evident in TPS.is usually evident in TPS.

A high level of A high level of accuracy, data integrity, and security accuracy, data integrity, and security is needed.is needed.

High High reliabilityreliability is required. is required.

Inquiry processing Inquiry processing is a must.is a must.

Data InputData Input Data ProcessingData Processing Output GenerationOutput Generation

Data StorageData Storage

A Transaction Processing ModelA Transaction Processing Model

Barcode ScannerPOSTPS

UPC

ProductDB

InventoryDB

InformationReporting System

Customer Receipt

ExceptionReports

UPC Price

UPC &Quantity

Product, Quantity,Date, Time, Price

POS(Point Of Sale) TPSPOS(Point Of Sale) TPS

PurchasingDB

Quantity,Date,Time

TransactionData

DataProcessing

Trans.File

NewMaster

FileOldMaster

File

Documents/Reports

Batch Processing

On-line Processing

On-lineData

Processing

Documents/Reports

TransactionData

Inquiries/Reponses

TransactionData

TransactionData

TPS ApplicationsTPS Applications

Order ProcessingOrder Processing PurchasingPurchasing Accounts Receivables & Accounts PayablesAccounts Receivables & Accounts Payables Receiving & ShippingReceiving & Shipping Inventory on HandInventory on Hand PayrollPayroll General LedgersGeneral Ledgers