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. The initial concepts of MIS were to process data from the organization and present it in the form of reports at regular intervals. The system was largely capable of handling the data from collection to processing. It was more impersonal, requiring each individual to pick and choose the processed data and use it for his requirements.

This concept was further modified when a distinction was made between data and information. The information is a product of an analysis of data. What are needed are information and not a mass of data. An MIS gives information through data analysis. While analyzing the data, it relies on many academic disciplines. These include the theories, principles and concepts from the Management Science, Psychology and Human Behavior, making the MIS more effective and useful.

These academic disciplines are used in designing the MIS, evolving the decision support tools for modeling and decision – making. The foundation of MIS is the principles of management and if its practices. MIS uses the concept of management Information System can be evolved for a specific objective if it is evolved after systematic planning and design. It calls for an analysis of a business, management views and policies, organization culture and the culture and the management style.

The information should be generated in this setting and must be useful in managing the business. This is possible only when it in conceptualized as system with an appropriate design. The MIS, therefore, relies heavily on the systems theory offers solutions to handle the complex situations of the input and output flows. It uses theories of communication which helps to evolve a system design capable of handling data inputs, process, and outputs with the best possible noise or distortion in transmitting the information form a source to a destination.

It uses the principles of system Design, Viz. , an ability of continuous adjustment or correction in the system in line with the environmental change in which the MIS operates. Such a design help to keep the MIS tuned with the business managements needs of the organization. The concept, therefore, is a blend of principle, theories and practices of the Management, Information and System giving rise to single product known as Management Information System (MIS).