Transaction Processing Systems (TPS)
From Pearson, Management Information System: Managing The Digital Firm
Operational managers need systems that keep track of the elementary activities and transactions of the organization: sales, receipts, cash deposits, payroll, credit decisions, and the flow of materials in factory.
Transaction Processing Systems (TPS) provide above kind of information.
A Transaction Processing System is a computerized system that performs and records the daily routine transactions necessary to conduct business, suchs as sales order entry, hotel reservations, payroll, employee record keeping & shipping.
Example: TPS for payroll processing.