2. 计算机
  3. During the systems analysis phase，greater user involvement usually results in better communication，faster development times，and

During the systems analysis phase，greater user involvement usually results in better communication，faster development times，and

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问题    During the systems analysis phase，greater user involvement usually results in better communication，faster development times，and more satisfied users．There are three common  team—based approaches that encourage system users to participate actively in various  development tasks．1)  (71)________________  is a popular fact—finding technique that brings users into the  development process as active participants．The end product of the approach is a  requirements model．2)  (72)________________  is a team—based technique that speeds up information  systems development and produces a functioning information system．The approach consists  of several phases．The  (73)________________  combines elements of the systems planning and systems  analysis phases of the SDLC．Users，managers，and IT staff members discuss and agree on  business needs，project scope，constraints，and system requirements．During  (74)________________，users  interact with systems analysts and develop models and prototypes that represent all system  processes，outputs，and inputs．3)  (75)________________  attempt to develop a system incrementally by  building a series of prototypes and constantly adjusting them to user requirements．
选项 A、Agile methods
B、The FAST framework
C、Reverse Engineering
D、Reengineering
答案A
解析 在系统分析阶段，参与的用户越多沟通效果越好、开发效率和用户满意度更高。有三种常见的基于团队的方法可以鼓励系统用户积极参与各种开发任务。1)联合应用程序开发是一种流行的事实发现技术，它使用户主动参与到开发过程中。该方法的最终产品是需求模型。  2)快速应用开发是一种基于团队的技术，可加速信息系统开发并生成功能正确的信息系统。该方法包括几个阶段：需求计划阶段将系统开发周期中系统规划与系统分析阶段的要素结合起来。用户、经理和IT员工讨论并商定业务需求、项目范围、约束和系统需求。用户设计阶段，用户与系统分析师进行交互，并开发表示所有系统进程、输出和输入的模型和原型。敏捷方法试图通过构建一系列原型并不断根据用户需求进行调整来逐步开发系统。
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