This document discusses Management Information Systems (MIS). It defines MIS as an integrated system that provides information to support operations, management, and decision making in an organization. MIS processes data into information that is communicated to departments for decision making. It discusses the characteristics of MIS including providing standardized reports, using internal data, and requiring formal requests from users. Various types of MIS are also outlined such as transaction processing systems, decision support systems, executive information systems, and more. The advantages of MIS for organizations are also highlighted.