Various types of information systems in entrepreneurship, such as information systems for management support, information systems for decision, and information systems for knowledge management in organization; roles of information technology in modifying methods of Various types of information systems in entrepreneurship, such as information systems for management support, information systems for decision, and information systems for knowledge management in organization; roles of information technology in modifying methods of supporting strategies and philosophy of organizations; fundamental concepts of enterprise resource planning system; importance of integrated information systems in an organization