Transaction Processing System (TPS) Transaction processing systems (TPS) are the basic business systems that serve the operational level of the organization. A transaction processing system is a computerized system that performs and records the daily routine transactions necessary to conduct business. Operation information is concerned with daily routine tasks and activities. Taking orders, paying bills, selling products, clearing cheques etc. are the daily activities performed in different organizations. Organizations need information system to streamline these daily routine tasks. The information system used in this level of management is termed as Transaction Processing Systems (TPS). TPS is used to collect data that are produced on daily basis from the routine works. It has user interface, i.e., form with fields to input data to the system. It enables to store and arrange data in the format which can be processed by other information system easily. More than 90% of