Management Information System an organized approach to the study of the information needs of an organization's management at every level in making operational, tactical, and strategic decisions. Its objective is to design and implement procedures, processes, and routin that provide suitably detailed reports in an accurate, consistent, and timely manner. In a management information system, modern, computerized system continuously gather relevant data, both from inside and outside an organization. This data is then processed, integrated, and stored in a centralized database (or data warehouse) where it is constantly updated and made available to all who have the authority to access  it, in a form that suits their purpose. 

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