The document provides an overview of transaction processing systems (TPS). It discusses that TPS process detailed data to update records of fundamental business operations like orders, inventory, payroll. It also describes different transaction processing methods like batch and online processing. Key activities of TPS include data collection, editing, storage and document production. The document outlines various systems that support order processing, purchasing and accounting functions. It discusses control and management issues for TPS and highlights international challenges for multinational corporations.