2. 计算机
  3. The purpose of the systems analysis phase is to build a logical model of the new system．The first step is(71)，where you investig

The purpose of the systems analysis phase is to build a logical model of the new system．The first step is(71)，where you investig

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问题 The purpose of the systems analysis phase is to build a logical model of the new system．The first step is(71)，where you investigate business processes and document what the new system must do to satisfy users．This step continues the investigation that began during the(72)．You use the fact-finding results to build business models，data and process models，and object models．The deliverable for the systems analysis phase is the(73)，which describes management and user requirements，costs and benefits，and outlines altemative development strategies．
  The purpose of the systems design phase is to create a physical model that will satisfy all documented requirements for the system．During the systems design phase，you need to determine the(74)，which programmers will use to transform the logical design into program modules and code．The deliverable for this phase is the(75)，which is presented to management and users for review and approval．
(75)
选项 A、system architecture description
B、system design specification
C、system technique architecture
D、physical deployment architecture
答案B
解析 翻译：
系统分析阶段的目的是建立新系统的逻辑模型，第一步就是进行(71)，调查业务流程并记录新系统必须做哪些以满足用户需求。这一步是(72)的延续，可以使用调查结果构建业务模型，数据和流程模型以及对象模型。系统分析阶段的可交付成果是(73)，它描述了管理和用户要求，成本和收益，还有可替代的方案。
系统设计阶段的目的是创建一个能够满足系统所有需求文件要求的物理模型。在系统设计阶段，需要确定(74)，程序员通过系统过程模型把逻辑设计转换为程序模块和代码。该阶段的可交付成果是(75)，提交给管理层和用户审查和批准。
(71)A.系统逻辑建模    B.使用用例模型
C.需求建模    D.应用建模
(72)A.系统计划阶段    B.系统建模阶段
C.系统分析阶段    D.系统设计阶段
(73)A.系统章程    B.系统范围定义
C.系统蓝图    D.系统需求文件
(74)A.应用程序架构描述    B.系统数据模型
C.系统过程模型    D.实施环境
(75)A.应用程序架构    B.系统设计规格说明书
C.系统技术架构    D.系统部署架构
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