1. Critically appraise the key processes involved in management decision-making at all levels within a business organization and the way in which information and information systems support this decision-making. Assignment Example 1. Introduction - MIS ( Management Information Systems). 2.The difference between structured, semi-structured and structured decisions. 3. Decision support system 4. Decision making process 2. Evaluate the structure and function of different types of computer-based information systems that have a role in supporting managers in their decision making. 5. Executive support system/Executive information system 6. Transaction processing systems (IPS).