The purpose 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 maybe 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 var1ous sources and the approved （5） from the decision analysis phase.

A

physical model

B

prototype system

C

database schema

D

application architecture

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答案：

D

题干提到系统设计的目的是确定一种架构，该架构定义了用于构建信息系统的技术。根据常识和语境，这里指的应该是应用架构（application architecture）。因此，正确答案是D。