It has for a while been widely accepted that an appropriate mathematical model for studying data types is the category of domains, i.e. consistently complete algebraic cops’, and continuous functions. What has not faired as well in acceptance is a method of representation, or implementation, of domains. The most recent method of representation —Information Systems—was introduced by Dana Scott and is gaining acceptance, as indicated by its appearance in a number of recent research papers. The role of information, as an essential tool for managers in planning and decision making. MIS is a well co‐ordinated information system, a database that is to provide management with needed information to plan and make decisions. Modern technology has further made the resort to MIS in management imperative because of the changing circumstances and environment. Also identifies some problems which can hinder effective use of MIS.