CHAPTER 1 Introduction To The Computer Based Information System

Introduction To The Computer Based Information System (CBIS) Information Management Interest in IS What Managers Do The Manager and Systems Data Versus Information The Trends to End-User Computing

The manager manages a physical system composed of –personnel –material –machines –money The manager monitors the physical system by using a conceptual system. The conceptual system provides information that describes the physical system of the firm in its environment.

Information Management It is easy to see how to manage physical resources but that applies to conceptual resources as well. Types of resources: –Personnel –Material –Machines –Money –Information

Interest in Information Management Increasing Complexity of Business Activity: –International economic influences –Worldwide competition –Increasing complexity of technology –Shrinking time frames –Social constraints Improved Computer Capabilities

What Managers Do

The Manager and Systems Open versus closed systems Subsystems versus supersystems Physical versus conceptual systems Data versus information

The Trends To End-User Computing EUC evolved because of the following: –An increase in computer literacy –The information services backlog –Low-cost hardware –Prewritten software