This document summarizes key concepts from Chapter 3 of a management information systems textbook. It discusses how organizations use information systems, the changing role of IS in organizations, how managers make decisions and how IS can support them, and how IS relates to business strategy. Specific topics covered include the relationship between organizations and IS, how IS impact organizations and vice versa, managerial roles and decision making, and frameworks for analyzing competitive strategy and the value chain.

1. Management Information Systems - Chap. 3 By: Prof. Y. Peter Chiu 2 / 2009

10. Organization & Its Environment 3.1 Organizations & Information System Figure 3-4

23. 3.3 Managers, Decision Making, and Information Systems

24. 3.3 Managers, Decision Making, and Information Systems Levels of Decision Making Operational control Knowledge- level decision making Management control Strategic decision making

29. Management Challenges Unstructured nature of important decisions Diversity of managerial roles Complexity of decision making 3.3 Managers, Decision Making, and Information Systems

37. 3.4 Information Systems and Business Strategy Figure 3-11

38. Business-Level Strategy 3.4 Information Systems and Business Strategy Figure 3-14

39. Strategic Information Systems Competitive Forces Model The Value Chain Model 3.4 Information Systems and Business Strategy