试题与答案

数据库是在计算机系统中按照一定的数据模型组织、存储和应用的 (1) 的集合。提供数据

题型:单项选择题

题目:


数据库是在计算机系统中按照一定的数据模型组织、存储和应用的 (1) 的集合。提供数据库各种操作的软件系统叫做 (2)

A.数据库系统

B.文件系统

C.操作系统

D.数据库管理系统

答案:

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题型:单项选择题

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (36) of the technical requirements for the software product.
During the requirements definition phase, the requirements definition team uses an interative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each (37) that it must meet. The starting point is usually a set of high level requirements from the (38) that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for ’the system and then defines (39) showing how the system will be operated, publishes the system and operations concept document and conducts a system concept review (SCR) .
Following the SCR, the team derives (40) requirements for the system from the high level requirements and the system and operations concept using structured or object-oriented analysis. The team specifies the software functions and algorithms needed to satisfy each detailed requirement.

A.function

B.definition

C.specification

D.statement

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