Management Information System is generally defined as 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 procedure, models for analysis. Information is viewed as a resource much like land, labor and capital. It must be obtained processed, stored, manipulated and analyzed, distributed etc. An organization with a well-defined information system will generally have a competitive advantage over organization with poor MIS and no MIS.
The MIS has more than one definition, some of which are given below:
I. The MIS is defined as a system which provides information support for decision-making in the organization.
II. The MIS is defined as an integrated system of man and machine for providing the information to support the operations, the management and the decision-making function in the organization.
III. The MIS is defined as a system based on the database of the organization evolved for the purpose of providing information to the people in the organization.
IV. The MIS is defined as a computer-based information system.
Though there are a number of definitions all of them converge on a single point, i.e. the MIS is a system that support the decision-making function of the organization. The difference lies in defining the elements of MIS. However, in today’s world, the MIS is a computerized business processing system generating information for the people in the organization to meet the information needs for decision-making to achieve the corporate objective of the organization.