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An efficient information systems creates an impact on the organization’s function, performance, and productivity.

Nowadays, information systems and information technology have become a vital part of any successful business and is regarded as a major functional area like any other functional areas such as marketing, finance, production, and human resources, etc.

Thus, it is important to understand the functions of an information system just like any other functional area in business. A well-maintained management information system supports the organization at different levels.

Many firms are using information systems that cross the boundaries of traditional business functions in order to re-engineer and improve vital business processes all across the enterprise. This typical has involved installing −

• Enterprise Resource Planning (ERP)
• Supply Chain Management (SCM)
• Customer Relationship Management (CRM)
• Transaction Processing System (TPS)
• Executive Information System (EIS)
• Decision Support System (DSS)
• Knowledge Management Systems (KMS)
• Content Management Systems (CMS)

The strategic role of the Management Information System involves using it to develop products, services, and capabilities that provide a company major advantages over the competitive forces it faces in the global marketplace.

We need an MIS flexible enough to deal with changing information needs of the organization. The designing of such a system is a complex task. It can be achieved only if the MIS is planned. We understand this planning and implementation in the management development process.

The decision support system is a major segment of organizational information system, because of its influential role in taking business decisions. It help all levels of managers to take various decisions.