Test Bank for Systems Analysis and Design, 3rd Edition: Dennis
Product details:
- ISBN-10 : 0470074787
- ISBN-13 : 978-0470074787
- Author: Dr. Alan R. Dennis
You can’t truly understand Systems Analysis and Design (SAD) by only reading about it; you have to do it. In Systems Analysis and Design, Third Edition, Dennis, Wixom, and Roth offer a hands-on approach to actually doing SAD. Building on their experience as professional systems analysts and award-winning teachers, these three authors capture the experience of actually developing and analyzing systems. They focus on the core set of skills that all analysts must possess––from gathering requirements and modeling business needs, to creating blueprints for how the system should be built.
Table contents:
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 DrōnTeq, 16
Feasibility Analysis, 19
Technical Feasibility, 20
Economic Feasibility, 21
Organizational Feasibility, 27
Applying the Concepts at DrōnTeq, 29
Chapter Review, 31
Appendix 1A: Detailed Economic Feasibility
Analysis for DrōnTeq, 35
2 Project Selection and Management, 37
Introduction, 38
Project Selection, 39
Applying the Concepts at DrōnTeq, 40
Creating the Project Plan, 41
Project Methodology Options, 42
Selecting the Appropriate Development Methodology, 49
Contents
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xii Contents
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 DrōnTeq, 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 DrōnTeq, 103
Eliciting and Analyzing Requirements, 103
Requirements Definition, 104
System Proposal, 104
Chapter Review, 106
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Contents xiii
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 DrōnTeq, 129
Identifying the Major Use Cases, 129
Elaborating on the Use Cases, 130
Data Flow Diagrams, 134
Reading Data Flow Diagrams, 134
Elements of Data Flow Diagrams, 136
Using Data Flow Diagrams to Define Business Processes, 139
Process Descriptions, 142
Creating Data Flow Diagrams, 144
Creating the Context Diagram, 145
Creating Data Flow Diagram Fragments, 146
Creating the Level 0 Data Flow Diagram, 148
Creating Level 1 Data Flow Diagrams (and Below), 149
Validating the Data Flow Diagrams, 152
Applying the Concepts at DrōnTeq, 156
Developing the Process Model, 156
Creating Data Flow Diagram Fragments, 156
Creating the Level 1 Data Flow Diagram, 157
Creating Level 2 Data Flow Diagrams (and Below), 159
Validating the Data Flow Diagrams, 160
Chapter Review, 161
5 Data Modeling, 169
Introduction, 170
The Entity Relationship Diagram, 170
Reading an Entity Relationship Diagram, 171
Elements of an Entity Relationship Diagram, 172
The Data Dictionary and Metadata, 177
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xiv Contents
Creating an Entity Relationship Diagram, 179
Building Entity Relationship Diagrams, 179
Advanced Syntax, 182
Applying the Concepts at DrōnTeq, 184
Validating an Entity Relationship Diagram, 188
Design Guidelines, 188
Normalization, 191
Balancing Entity Relationship Diagrams with Data Flow Diagrams, 191
Chapter Review, 193
Appendix 5A: Normalizing The Data Model, 196
6 Moving into Design, 201
Introduction, 202
Transition from Requirements to Design, 202
System Acquisition Strategies, 204
Custom Development, 206
Packaged Software, 207
Outsourcing, 208
Influences on the Acquisition Strategy, 211
Business Need, 211
In-House
Experience, 212
Project Skills, 213
Project Management, 213
Time Frame, 213
Selecting an Acquisition Strategy, 213
Alternative Matrix, 214
Applying the Concepts at DrōnTeq, 216
Chapter Review, 218
Part 3 Design Phase
7 Architecture Design, 223
Introduction, 224
Elements of an Architecture Design, 224
Architectural Components, 224
Client–Server Architectures, 225
Client–Server Tiers, 226
Server-Based
Architecture, 228
Mobile Application Architecture, 229
Advances in Architecture Configurations, 230
Comparing Architecture Options, 231
Creating an Architecture Design, 232
Operational Requirements, 232
Performance Requirements, 233
Security Requirements, 235
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Contents xv
Access Control Requirements, 237
Cultural and Political Requirements, 240
Designing the Architecture, 242
Hardware and Software Specification, 244
Applying the Concepts at DrōnTeq, 246
Creating an Architecture Design, 246
Hardware and Software Specification, 247
Chapter Review, 248
8 User Interface Design, 251
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