1. Submitted by Aswathy t s

2. Transactions Transactions… Basic business operations such as customer orders, purchase orders, receipts, time cards, invoices, and payroll checks in an organization Transaction processing systems (TPS) Perform routine operations and serve as a foundation for other systems

3. Batch vs. On-Line Transaction Processing Two types of TPS: Batch processing A system whereby business transactions are accumulated over a period of time and prepared for processing as a single unit or batch On-line transaction processing (OLTP) A system whereby each transaction is processed immediately, without the delay of accumulating transactions into a batch

4. Batch Schematic Data entry of accumulated transactions Input (batched) Output

5. On-line Schematic Output Terminal Immediate processing of each transaction

6. Objectives of TPS Process data generated by and about transactions Maintain a high degree of accuracy Ensure data and information integrity and accuracy Produce timely documents and reports Increase labour efficiency Help provide increased and enhanced service Help build and maintain customer loyalty Achieve competitive advantage

7. Transaction processing cycle Data collection Data editing Data correction Data manipulation Data storage Document production

8. Data collection Data edit Data manipulation Data storage Document production Data correction Original data

9. Control and Management Issues Business resumption planning The process of anticipating and providing for disasters. Disaster recovery The implementation of the business resumption plan. Transaction processing system audit An examination of the TPS in an attempt to answer three basic questions Does the system meet the business need? What procedures and controls have been established? Are the procedures and controls being properly used?