This document provides an overview of management information systems (MIS). It begins by defining MIS as a system that provides managers with accurate and timely information to facilitate decision-making. It then explains that MIS processes and communicates data within an organization. The document lists the key characteristics of useful information as being right, accessible to the right people, in the right place and time, and at the right cost. It provides a conceptual model of MIS and describes the various users within an organization, from clerks to executives. The remainder of the document provides examples of common MIS reports and guidelines for developing an effective MIS. It concludes with a case study of how McDonald's developed an MIS to manage information across its large global network of franchised and corporate