© 1998 Irwin/McGraw-Hill 2- 1 Chapter 2: Fundamentals of Information Systems IRWIN © 1998 Irwin/McGraw-Hill James A. O'Brien Fourth Edition Management Information Systems Managing Information Technology in the Internetworked Enterprise Chapter 2: Fundamentals of Information Systems

© 1998 Irwin/McGraw-Hill 2- 2 Chapter Objectives 1. Identify and give examples of the components and functions of the generic concept of a system introduced in this chapter. 2. Provide examples of the components of real world information systems. Illustrate that an information system uses people, hardware, software, data, and networks as resources to perform input, processing, output, storage, and control activities that transform data resources into information products. 3. Provide examples of several major types of information systems from your experiences with business organizations in the real world.

© 1998 Irwin/McGraw-Hill 2- 3 System Concepts Manufacturing Process Input of Raw Materials Output of Finished Products Environment Other Systems Control by Management Control Signals Control Signals Feedback Signals Feedback Signals System Boundary

© 1998 Irwin/McGraw-Hill 2- 4 Processing Data into Information Input of Data Resources Output of Information Products People Resources: End Users and IS Specialists Data Resources: Data Knowledge Bases Control of System Performance Storage of Data Resources Software Resources: Programs and Procedures Hardware Resources: Machines and Media Network Resources: Communications Media and Network Support Software Resources: Programs & Procedures Information Systems Model

© 1998 Irwin/McGraw-Hill 2- 5 Attributes of Information Quality Content Dimension Form Dimension Time Dimension

© 1998 Irwin/McGraw-Hill 2- 6 Name Field Name Field Payroll Record Payroll Record Payroll File Payroll File Data Elements Personnel Database

© 1998 Irwin/McGraw-Hill 2- 7 Operations and Management Classifications of Information Systems Transaction Processing Systems Transaction Processing Systems Process Control Systems Process Control Systems Enterprise Collaboration Systems Enterprise Collaboration Systems Management Information Systems Management Information Systems Decision Support Systems Decision Support Systems Executive Information Systems Executive Information Systems Operations Support Systems Operations Support Systems Management Support Systems Management Support Systems Information Systems Information Systems

© 1998 Irwin/McGraw-Hill 2- 8 Enterprise Collaboration Systems Teams in Place Team room tools Shiftwork Groupware Ongoing Coordination Voice mail Electronic mail Facsimile Group editing Project managers/schedulers Workflow systems Face-To-Face Meetings Electronic copyboards Electronic design room tools Team building tools Cross-Distance Meetings Audioconferencing Desktop videoconferencing Screen sharing Teleconferencing Same Time Different Times Same Place Different Place Platforms The Internet Intranets Extranets Other Networks

© 1998 Irwin/McGraw-Hill 2- 9 Other Classifications of Information Systems Expert Systems Business Information Systems Integrated Combination of Systems Strategic Information Systems Knowledge Management Systems

© 1998 Irwin/McGraw-Hill Key Terms in Chapter 2 Business Information System Control Cross-Functional Information System Data Data or Information Processing Data Resources Decision Support Systems Enterprise Collaboration Systems Executive Information System Expanding Roles of Information Systems Expert Systems Feedback Hardware Resources Machines Media Information Business Information System Control Cross-Functional Information System Data Data or Information Processing Data Resources Decision Support Systems Enterprise Collaboration Systems Executive Information System Expanding Roles of Information Systems Expert Systems Feedback Hardware Resources Machines Media Information Information Systems Activities Input, Processing, Output Storage, Control Information Systems Model Integrated Information Systems Knowledge Management System Management Information System Management Support System Network Resources Operations Support System People Resources IS Specialists; End Users Process Control System Software Resources Programs Procedures Strategic Information Systems Subsystem System Transaction Processing Systems Types of Information Systems Information Systems Activities Input, Processing, Output Storage, Control Information Systems Model Integrated Information Systems Knowledge Management System Management Information System Management Support System Network Resources Operations Support System People Resources IS Specialists; End Users Process Control System Software Resources Programs Procedures Strategic Information Systems Subsystem System Transaction Processing Systems Types of Information Systems