PGDCA Paper : PGDCA-6 50 TPS can generate other report combinations of existing data elements. Other typical TPS applications are identified in Figure 4.2. The figure shows that there are five functional categories of TPS: sales/marketing, manufacturing/ production, finance accounting, human resources, and other types of TPS that are unique to a particular industry. Figure 4.2: Typical Applications of TPS Transaction processing systems are often so central to a business that TPS failure fora few hours can spell a firm’s demise and perhaps other firms linked to it. Imagine what would the airlines do without their computerized reservation systems? Managers need TPS to monitor the status of internal operations and the firm’s relations with the external environment. TPS are also major producers of information for the other types of systems. (For example, the payroll system, along with other accounting TPS, supplies data to the company’s general ledger system, which is
