Information Systems Analysis and Design (2nd Edition)

PREFACE . 7

CHAPTER 1. INTRODUCTION . 13

1.1. Context of Information Systems Analysis and Design .  13

1.2. Central Objective of Information Systems . 14

1.3. Systems Analysts . 15

1.3.1. Business skills . 15

1.3.2. Information technology skills . 16

1.3.3. Human interaction skills . 16

1.3.4. Managerial skills . 16

CHAPTER 2. INFORMATION SYSTEMS DEVELOPMENT . 19

2.1. Systems Development Life Cycle . 19

2.2. Management of Systems Development Project .  21

2.2.1. Unique characteristics information systems projects . 21

2.2.2. Project sponsor and project approval . 22

2.2.3. Project scope definition, project scale estimation, and risk assessment . 22

2.2.4. Project team management . 23

2.2.5. Project control and coordination . 23

2.3. Fundamental Strategies of Information Systems Development . 24

2.3.1. Systems acquisition . 25

2.3.2. Systems construction . 28

2.3.3. Outsourcing . 30

2.4. Diverse Information System Construction Approaches . 32

2.4.1. Waterfall approach . 32

2.4.2. Parallel approach . 33

2.4.3. Rapid application development (RAD) approach . 33

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CHAPTER 6. SYSTEMS IMPLEMENTATION . 129

6.1. System Implementation for Systems Acquisition Development . 129

6.1.1. System installation . 129

6.1.2. ERP system configuration and customization . 130

6.1.3. Data conversion .  130

6.1.4. System testing on an acquired system .  131

6.2. System Construction for Systems Construction Development . 131

6.2.1. Database construction and database testing . 132

6.2.2. Application programs construction, installation, and testing . 132

6.2.3. Hardware and computer network installation . 132

6.2.4. Data conversion .  133

6.2.5. System testing on a constructed system . 133

6.3. Transition from the As-Is System to the To-Be System .  134

6.3.1. New policies and procedures for the new system . 134

6.3.2. System conversion methods and contingency plans .  134

6.3.3. User training . 136

6.4. Establish System Support Facilities, Hand the System Over to Operation  . 137

6.5. Systems Implementation Reports . 137

CHAPTER 7. SYSTEMS MAINTENANCE . 139

7.1. Management of User Support and System Maintenance . 139

7.1.1. User support .  139

7.1.2. System maintenance procedure . 139

7.2. Post-Project Evaluation . 141

7.3. Preparation for the Next New System .  142

CHAPTER 8. BUSINESS APPS DEVELOPMENT .  145

8.1. Business Apps Development Approaches . 145

8.2. Business Apps Development Techniques .  146

8.3. A Modeling Tool for Business Apps Analysis and Design . 148

8.4. Four Major Categories of Business Apps . 149

8.4.1. Business back-office applications - Data emphasis . 149

8.4.2. M-commerce applications - Personalization emphasis . 151

8.4.3. Business process automation - Workflows emphasis . 152

8.4.4. Decision support systems - Decision making emphasis . 153

APPENDIX A. SYSTEMS ACQUISITION PROJECTS .  157

APPENDIX B. AN EXAMPLE OF SYSTEMS ANALYSIS AND DESIGN

PROJECT .  161

INDEX .  182