chapter 3 appendix object-oriented analysis and design: project management modern systems analysis...
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Chapter 3 AppendixObject-Oriented Analysis and Design:
Project Management
Modern Systems Analysisand Design
Seventh Edition
Jeffrey A. Hoffer Joey F. George
Joseph S. Valacich
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Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall 2Chapter 3 Appendix
Learning Objectives
Describe the unique characteristics of an OOSAD project.
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Unique Characteristics of an OOSAD Project OOSAD projects use a more iterative
design approach, such as prototyping or object-oriented analysis and design.
During the OOSAD process, the system evolves incrementally over the life of the project.A portion of the final system is constructed
during each iteration phase.
3Chapter 3 Appendix Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall
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4Chapter 3 Appendix
FIGURE 3-32 During the OOSAD process, the system evolves incrementally over the life of the project.
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Unique Characteristics of an OOSAD Project (Cont.) Define the system as a set of components.
Object-oriented development projects are developed using ongoing management and evolving system functionality.
Complete hard problems first.The focus and ordering of system
components change over the life of the project.
5Chapter 3 Appendix Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall
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Unique Characteristics of an OOSAD Project (Cont.) Use iterations to manage the project.
The workflow of an iteration Don’t plan too much up front.
Planning estimation improves over time. How many and how long are iterations?
An OOSAD project typically has 6 to 9 iterations.
6Chapter 3 Appendix Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall
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Unique Characteristics of an OOSAD Project (Cont.) Project activity focus changes over the life
of a project.As the project evolves, system functionality
evolves.
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8Chapter 3 Appendix
FIGURE 3-34The focus and ordering of system components change over the life of the project.
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9Chapter 3 Appendix
FIGURE 3-35The workflow of an iteration(Source: Based on Royce, 1998; Georgeet al., 2007.)
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10Chapter 3 Appendix
FIGURE 3-36Planning estimation improves over time.(Source: Based on Royce, 1998; George et al., 2007.)
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Figure 3-37An OOSAD project typically has six to nine iterations.
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12Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall
Figure 3-38As the project evolves, system functionality evolves.(Source: Based on Royce, 1998; George et al., 2007.)
Chapter 3 Appendix
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FIGURE 3-39The level and focus of activity across thesystems development process changefrom the start to the end of the project.
Copyright © 2014 Pearson Education, Inc. Publishing as Prentice HallChapter 3 Appendix
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Summary
In this appendix you learned how to: Describe the unique characteristics of an
OOSAD project.
14Copyright © 2014 Pearson Education, Inc. Publishing as Prentice HallChapter 3 Appendix
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Copyright © 2014 Pearson Education, Inc. Copyright © 2014 Pearson Education, Inc. Publishing as Prentice HallPublishing as Prentice Hall