单选题 Many of the activities performed during the preliminary investigation are still being conducted in ______, but in much greater depth than before. During this phase, the analyst must become fully aware of the ______ and must develop enough knowledge about the ______ and the existing systems to enable an effective solution to be proposed and implemented. Besides the______ for process and data of current system, the deliverable from this phase also includes the ______for the proposed system.
单选题
  • A.analysis phase
  • B.design phase
  • C.implementation phase
  • D.maintenance phase
【正确答案】 A
【答案解析】
单选题
  • A.main symptom
  • B.root problem
  • C.final blueprint
  • D.data specification
【正确答案】 B
【答案解析】
单选题
  • A.hardware environment
  • B.testing environment
  • C.software environment
  • D.business environment
【正确答案】 D
【答案解析】
单选题
  • A.10gical models
  • B.physical models
  • C.design models
  • D.implementation models
【正确答案】 A
【答案解析】
单选题
  • A.hardware and software specification
  • B.system performance specification
  • C.formal requirements definition
  • D.general problem statement
【正确答案】 C
【答案解析】[解析] ·在初步调研时完成的许多活动在分析阶段(analysis phase)还要继续进行,但比以前要更深入。 ·在这个阶段,系统分析师一定要充分注意根本问题(root problem),并且充分掌握关于业务环境(business environment)和现行系统的知识,以提交和实施一个有效的解决方案。 ·除了提交现行系统的过程和数据的逻辑模型(logical models)外,这一阶段的交付物还包括新系统的正式需求定义(formal requirements definition)。