单项选择题
The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable
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of the technical requirements for the software product.
During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each
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that it must meet. The starting point is usually a set of high-level requirements from the
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that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for the system and the defines
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showing how the system will be operated, publishes the system and operation concept documents, and conducts a system concept review (SCR).
Following the SCR, the team derives
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requirements for the system from the highlevel requirements and the system operations concept. Using structured or object-oriented analysis,the team specifies the software functions and algorithms needed to satisfy each detailed requirements.
A．function
B．definition
C．specification
D．statement
