信息系统的生命周期可以分为立项、开发、运维及消亡四个阶段。《需求规格说明书》在（ ）阶段形成。
- A.立项
- B.开发
- C.运维
- D.消亡
正确答案及解析
正确答案
解析
信息系统的生命周期分为立项、开发、运维及消亡四个阶段。
立项阶段：即概念形成阶段或需求阶段，这一阶段根据用户业务发展和经营管理的需要，提出建设信息系统的初步构想；然后对企业信息系统的需求进行深入调研和分析，形成《需求规格说明书》。
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