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单选题
The objective of (请作答此空) is to determine what parts of the application software will be assigned to what hardware. The major software components of the system being developed have to be identified and then allocated to the various hardware components on which the system will operate. All software systems can be divided into four basic functions. The first is (). Most information systems require data to be stored and retrieved, whether a small file, such as a memo produced by a word processor, or a large database, such as one that stores an organization's accounting records. The second function is the (), the processing required to access data, which often means database queries in Structured Query Language. The third function is the (), which is the logic documented in the DFDs, use cases, and functional requirements. The fourth function is the presentation logic, the display of information to the user and the acceptance of the user's commands. The three primary hardware components of a system are ()
A
架构设计
B
模块化设计
C
物理设计
D
分布式设计
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答案:
解析:
:
第一空需要填写的是与系统软件分配硬件的目标相关的词汇,因此选择"架构设计",即选项A。
第二空描述的是软件系统的第一个基本功能,即数据的存储和检索,所以填写"数据存储",没有直接的选项对应,但根据上下文推断,应选择数据管理的相关选项,即选项A中的"模块化设计"。模块化设计有助于数据的存储和管理。
第三空描述的是软件系统的第三个基本功能,涉及到DFD(数据流图)、用例和功能需求的逻辑记录,因此填写"业务逻辑或事务处理逻辑",没有直接的选项对应,但根据上下文推断应选择软件设计流程的相关词汇,即选项C中的"物理设计"。这里的物理设计可以理解为对软件事务逻辑的具体实现和部署。
最后一个空需要描述系统的三类主要硬件构件,根据上下文理解应为系统的基本硬件构成部分,因此选择选项D中的"分布式设计",虽然这里没有直接的匹配项,但分布式设计是描述硬件如何在系统中分布和协作的一个概念。
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