A management information system (MIS) focuses on the manager of information technology to provide efficiency and effectiveness or strategy decision making. The concept may include systems termed transaction processing system, decision support system, expert system, or executive information system. The term is often used in the academic study of businesses and has connections with other areas, such as information systems, information technology, informatics, e-commerce and computer science; as a result, the term is used interchangeably with some of these areas. '

Management information systems (plural) as an academic discipline studies people, technology, organizations, and the relationships among them