DEFINATIONA management information system (MIS) is a system designed to collect, store and transmit data in the form of information necessary to perform management functions in an organization. MIS helps an organization obtain information and manage its business effectively. The management information system is different from other information systems. This is because they are used to analyze and facilitate strategic and operational activities. Initially, a management information system (MIS) designed to support management decision making. Over time, the term has expanded to include many resources such as resource management and human resource management, supply chain management, customer relationship management and many others. The management information system (MIS) produces information products that support many decision-making needs of managers, personnel and business professionals. The reports, displays, and responses produced by management information systems provide information that these decision makers have specified in advance as adequately meeting their information needs. Such predefined information products satisfy the information needs of decision makers at the operational and tactical levels of the organization who face more structured types of decision situations. For example, sales managers rely heavily on sales analytics reports to assess performance differences between salespeople who sell the same types of products to the same types of customers. They have a pretty good idea of ​​the type of sales results information (by product line, sales territory, customer, salesperson, etc.) they need to effectively manage sales performance. Additionally, MIS is also used by managers and other decision-makers. fo...... middle of paper ...... meet their own needs. Marketing led the way, followed by manufacturing and finance. Most current attention is focused on the executive level and the human resources function. A GIS consists of two types of information-producing subsystems. Report writing software provides information in the form of periodic and special reports. Mathematical models provide information in the form of simulation results. MIS is an organization-wide commitment to a quality information resource. MIS is particularly useful in identifying problems and helping managers understand them so that they can be resolved.Referencejames a.o'brien and George m.marakasManagement Information System (Seventh Edition) 2006Raymond McLeod, JR. & George SchellManagement Information Systems (eight editions) 2001Lucey, Terry & ThomsonManagement Information Systems (2005).