There is no consensus of the definition of the term "management information system". Some writers prefer alternative terminology such as "information processing system", "information and decision system",
"organizational information system", or simply
"information system" to refer to the computer-based information processing system which supports the
operations, management, and decision-making functions
of an organization [...].
A definition of a management information system, as the term is generally understood, is an integrated, user-machine system for providing information to support operations, management, and decision-making functions in an organization. The system utilizes computer hardware and software; manual procedures; models for analysis planning, control and decision making; and a database. [...]