2. 计算机
  3. Thepurpose of systems design is to specify a(n) ____①____，which defines the technologies to be used to build the proposed infor

Thepurpose of systems design is to specify a(n) ____①____，which defines the technologies to be used to build the proposed infor

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问题 Thepurpose of systems design is to specify a(n)  ____①____，which defines the technologies to be used to build the proposed information systems．This task is accomplished by analyzing the data  models and process models that were initially created during  ____②____．The ____③____  is used to  establish physical processes and data stores across a network．To complete this activity,the analyst  may involve a number of system designers and  ____④____，which may be involved in this activity to  help address business data，process，and location issues．The key inputs to this task are the facts，recommendations，and opinions that are solicited from various sources and the approved  ____⑤____from the decision analysis phase．
⑤
选项 A、system architecture
B、system proposal
C、technical model
D、business procedure
答案B
解析 系统设计的目的是确定一种应用体系架构，该架构定义了用于构建所建议信息系统的技术。通过分析最初在需求分析期间创建的数据模型和过程模型来完成该项任务。物理数据流程图用于在整个网络上建立物理过程和数据存储。为了完成此活动，分析人员可能需要许多系统设计人员和系统用户参与到该活动中，帮助处理业务数据、流程和位置问题。该任务的关键输入是从各种来源获取的事实、建议和意见，以及在决策分析阶段获批的系统建议。
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