Preface v
Part 1 Planning Phase
1 The Systems Analyst and Information Systems Development, 3
Introduction, 4
The Systems Analyst, 6
Systems Analyst Skills, 6
Systems Analyst Roles, 7
The Systems Development Life Cycle, 8
Planning, 10
Analysis, 11
Design, 12
Implementation, 12
Project Identification and Initiation, 13
System Request, 15
Applying the Concepts at DrMnTeq, 16
Feasibility Analysis, 19
Technical Feasibility, 20
Economic Feasibility, 21
Organizational Feasibility, 27
Applying the Concepts at DrMnTeq, 29
Chapter Review, 31
Appendix 1A: Detailed Economic Feasibility Analysis for DrMnTeq, 35
2 Project Selection and Management, 37
Introduction, 38
Project Selection, 39
Applying the Concepts at DrMnTeq, 40
Creating the Project Plan, 41
Project Methodology Options, 42
Selecting the Appropriate Development Methodology, 49
Staffing the Project, 52
Staffing Plan, 52
Coordinating Project Activities, 55
Managing and Controlling the Project, 58
Refining Estimates, 58
Managing Scope, 60
Timeboxing, 60
Managing Risk, 61
Applying the Concepts at DrMnTeq, 62
Staffing the Project, 63
Coordinating Project Activities, 64
Chapter Review, 65
Part 2 Analysis Phase
3 Requirements Determination, 71
Introduction, 72
The Analysis Phase, 72
Requirements Determination, 74
What Is a Requirement?, 74
The Process of Determining Requirements, 78
The Requirements Definition Statement, 78
Requirements Elicitation Techniques, 80
Requirements Elicitation in Practice, 80
Interviews, 81
Joint Application Development (JAD), 88
Questionnaires, 92
Document Analysis, 94
Observation, 96
Selecting the Appropriate Techniques, 96
Requirements Analysis Strategies, 98
Problem Analysis, 98
Root Cause Analysis, 98
Duration Analysis, 100
Activity-Based Costing, 100
Informal Benchmarking, 100
Outcome Analysis, 101
Technology Analysis, 101
Activity Elimination, 102
Comparing Analysis Strategies, 103
Applying the Concepts at DrMnTeq, 103
Eliciting and Analyzing Requirements, 103
Requirements Definition, 104
System Proposal, 104
Chapter Review, 106
4 Understanding Processes with Use Cases and Process Models, 111
Introduction, 112
What Is a Use Case?, 113
The Use Case Concept in a Nutshell, 113
Use Case Formats and Elements, 114
Casual Use Case Format, 114
Use Cases in Sequence, 117
Applying Use Cases, 118
Use Case Practical Tips, 118
Use Cases and Functional Requirements, 119
Use Cases and Testing, 119
Creating Use Cases, 120
Identify the Major Use Cases, 120
Identify the Major Steps for Each Use Case, 122
Identify Elements within Steps, 125
Confirm the Use Case, 128
Revise Functional Requirements Based on Use Cases, 129
Applying the Concepts at DrMnTeq, 129
Identifying the Major Use Cases, 129
Elaborating on the Use Cases, 130
Data Flow Diagrams, 134
Reading Data Flow Diagrams, 134
