| Summary: | Today’s business environment is unpredictable, dynamic, unstable and, necessitates the growing demand for accurate, relevant, complete, timely and, economical information needed to drive the decision-making process. The quick developments of information technology coupled with the development of telecommunications technologies, have modernized all areas of business and human activities. In today’s business world, there are different types of information systems. Each plays a unique role for a manager decision-making functions. In this paper, the decision maker’s satisfaction, contents of information and information access quality have been analyzed and studied. Here identified necessary variables aiming to evaluate the influence of management information systems in decision support capabilities and side by side discuss the concept, characteristics, types of MIS, the MIS model, and in particular it will highlight the impact of MIS in decision making. At the same time, different models and figures are presented to enrich the discussion and to highlight the status of each MIS and DSS information systems in an organization decision-making process.
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