信息系统的生命周期可以分为立项、开发、运维及（ ）四个阶段。
- A.结项
- B.下线
- C.消亡
- D.重建
正确答案及解析
正确答案
解析
信息系统的生命周期可以简化为系统规划（可行性分析与项目开发计划）、系统分析（需求分析）、系统设计（概要设计、详细设计）、系统实施（编码、测试）、运行维护等阶段。
为了便于论述针对信息系统的项目管理，信息系统的生命周期还可以简化为立项（系统规划）、开发（系统分析、系统设计、系统实施）、运维及消亡 4个阶段，在开发阶段不仅包括系统分析、系统设计、系统实施， 还包括系统验收等工作。
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