TPS• TPS is a type of information system that collects,

stores, modifies and retrieves the data transactions of an enterprise.

• A transaction is an event that generates or modifies data that is eventually stored on an information system.

• TPSs are aimed at improving the routine business activities on which all organizations depend.

• Transaction processing, the set of procedures for handling the transactions, often includes the activities like calculation, storage and retrieval, classification, summarization, sorting.

CHARACTERSTICS OF TPS

• Rapid Response

• Reliability

• Inflexibility

• Data life -line

CHARACTERISTICS OF TPS..

• Controlled access

• Link between organization & external entities

• Standardization

• Routine-natured

TRANSACTIONS PROCESSING QUALIFIERS

• In order to qualify as a TPS, transactions made by the system must pass the ACID test.

1. Atomicity

2. Consistency

3. Isolation

4. Durability

TRANSACTION PROCESSING CYCLE

• Transaction processing systems generally go through a five-stage cycle of

1) Data entry activities

2) Transaction processing activities

3) File and database processing

4) Document and report generation

5) Inquiry processing activities.

TYPES OF TRANSACTION PROCESSING SYSTEMS

• Batch Transaction Processing

• Examples:-

1.Cheque Clearance

2.Bill Generation

3.Credit Card Transactions

REAL-TIME TRANSACTION PROCESSING

• Main disadvantage of RTTP is the hardware and software costs exceed batch.

• Two main concerns:-1.Concurrency2.Atomicity• Examples of RTTP :-1.Reservation Systems2.Pos Terminals3.Library Loan System

CASE STUDY