Prefce xtr
PART l FOUNDATIONS FOR SySTEMS DEVELOPMENT 2
Chapter l The Syst6ms DeveIopment Environment 2
pter l The Systems DeveIopment Environment 2
What Is Information Systems Analysis and Design? 4
qtTQtems Anal1TSis and Desidvi. Core ConceDfs 4
Dystems Analysis and Design: Core Concepts 4
qxTRtems 6
oystems 6
Definition of a System and Its Pats 6
ImPortant System Concepts 7
A Modern APproach to Systems Analysis and Design 10
Your Role in Systems Developmellt 11
Developing Information Systems and the Systems
Developmellt Life Cycle 12
Phase 1: Systems Planning and Selection 14
Phase 2: Systems Analysis 14
Phase 3: Systems Design 15
Phase 4: Systems Implementation and Opefation 15
Alternative APproaches to Development 18
PrototyPing 18
ComPuterAided Software Engineering (CASE) TOols 18
Joint APplication Design 19
RaPid APplication Development 19
ParticiPatory Design 21
Agile Methodologies 21
Kev Points Review 21
y Points Review 21
Kev Terms CheckDOint 22
y rerms Checkpoint 22
Review Questions 23
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ProbIems and Exercises 23
Discussion Questions 24
Case ProbIems 24
Chapter 2 The Sources of Sohere 26
Illtroduction 27
qxi roms Acquisition 27
Dystems Acquisition 27
Outsourcing 28
R
oources of Software 29
Choosing Off-the-Shelf Software 33
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Ix
X COntentS
Reuse 36
Kev POints Review 39
y POints Review 39
Kev Terms Checkpoint 39
y rerms Checkpoint 39
Review Questions 40
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Problems and Exercises 40