OBJECTIVES
103
CHAPTER
6
Requirements
Engineering
n
Define requirements engineering.
n
Discuss the steps of requirements engineering.
n
Describe the details of what to do and how to perform the tasks within
each step in requirements engineering.
n
Analyze several graphical languages that are used during requirements
engineering such as data flow diagrams, use cases, and entity-relationship
diagrams.
91998_CH06_Tsui.indd 103 1/10/13 6:31:23 AM
6.1 Requirements Processing
Requirements form a set of statements that describe the user’s needs and

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