Refers to one of the 3 kinds of information systems for planning, controlling and monitoring functions for structured decisions.

Operations support systems; Support business processes and operations. They produce a variety of information products. Divided into three;
o        Transaction processing systems; process data of various transactions, update operational database & produce business documents. Example, sales & inventory processing and accounting systems
o        Process control systems; monitor and control industrial processes. Examples: petroleum refining, power generation, and steel production systems
o        Enterprise collaboration systems; support team, workgroup and enterprise communications and collaboration. Examples: e-mail, chat, and videoconferencing groupware systems

Management support systems: provide information & support for decision making by all types of managers & business professionals (complex tax). Divided into 3 types
o        Management Information Systems: provided information in a form of pre-specified reports and displays to support business decision making. Examples: sales analysis, production performance and cost trend reporting system.
o        Decision support systems: provide interactive ad hoc (unplanned) support for the decision-making processes of managers and other professionals. Examples: product pricing, profitability forecasting and risk analysis systems
o        Executive information systems: provide critical information from many sources tailored to the information needs of executives. Examples: systems for easy access to analyses of business performance, actions of competitors, and economic developments to support strategic planning.

Other categories of information systems:
o        Expert Systems: Knowledge-based systems that provide expert advice and act as expert consultants to users. Examples: credit application advisor, process monitor, and diagnostic maintenance systems
o        Knowledge management systems: knowledge based systems that support the creation, organisation, and dissemination of business knowledge within the enterprise. Examples: intranet access to best business practices, sales proposal strategies and customer resolution systems
o        Strategic information systems: support operations or management processes that provide a firm with strategic products, services, and capabilities for competitive advantage. Example: online stock trading, shipment tracking, and e-commerce web systems
o        Functional business systems: support a variety of operational and managerial applications of the basic business functions of a company. Examples: information systems that support applications in accounting, finance, marketing, operations management, and human resource management

·         MIS refers to all of the computing systems in the organisation that support management.
·         MIS refers to a field of study that fuses computer technology with business applications


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