Transaction processing systems TPS are by operational staff to record day to day business transactions, and they are used to make structured decisions Management Information Systems MIS are used by middle-level managers to make semi-structured decisions Decision Support Systems are used by top level managers, and they help top level managers to make unstructured decisions.
A POS system is used to record the daily sales. The second era personal computers began in as microprocessors started to compete with mainframes and minicomputers and accelerated the process of decentralizing computing power from large data centers to smaller offices.
Prentice Hall, This proliferation of computers created a ready market for interconnecting networks and the popularization of the Internet. Decision support systems DSS are computer program applications used by middle and higher management to compile information from a wide range of sources to support problem solving and decision making.
From the s to the early s, practitioners and business schools referred to MIS, rather than IT. Executive information systems EIS is a reporting tool that provides quick access to summarized reports coming from all company levels and departments such as accounting, human resources and operations.
Upon implementation, the assigned users will have the appropriate access to relevant information. Related Terms: Automation A management information system MIS is a computerized database of financial information organized and programmed in such a way that it produces regular reports on operations for every level of management in a company.
Routine reports are preprogrammed and run at intervals or on demand while others are obtained using built-in query languages; display functions built into the system are used by managers to check on status at desk-side computers connected to the MIS by networks.
Knowledge management KM as a system covers the process of knowledge creation and acquisition from internal processes and the external world.