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