200204.htm

等级考试三级试题全集

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</xml><![endif]--><span style='mso-spacerun:yes'>&nbsp;</span>次<span
style='mso-spacerun:yes'>&nbsp;&nbsp; </span><span style='mso-tab-count:1'> </span>D）1937次</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(26)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>下列关于操作系统中文件管理的描述中，<u>不</u>正确的是<span lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A) 顺序文件可以随机存取</span></p>

<p class=a2><span lang=EN-US>B) 在文件系统中，打开文件是指将文件控制块调入内存</span></p>

<p class=a2><span lang=EN-US>C) 文件控制块中保存了文件索引表的全部内容</span></p>

<p class=a2><span lang=EN-US>D) 文件目录一般存放在外存</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(27)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>下列哪一个<u>不</u>是<span lang=EN-US>CPU对外部设备的控制方式？<o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）中断<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:1'>&nbsp; </span>B）DMA<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span>C）通道<span style='mso-spacerun:yes'>&nbsp;&nbsp; </span><span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;</span><span style='mso-tab-count:
1'>&nbsp;&nbsp; </span>D）虚设备</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(28)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>在<span lang=EN-US>UNIX系统中，通过下列哪一条指令可将其他文件系统挂在根文件系统的某个子目录上？<o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）more<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>B）mount<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>C）mkdir<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>D）grep</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(29)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>软件开发的瀑布模型最典型地刻画了软件生命周期的阶段划分，而与其最相适应的软件开发方法应是<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）构件化方法<span style='mso-tab-count:1'>&nbsp;&nbsp; </span>B）面向对象方法<span
style='mso-tab-count:1'> </span>C）结构化方法<span style='mso-tab-count:1'>&nbsp;&nbsp; </span>D）原型化方法</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(30)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>与软件开发方法密切相关的应是支持该方法实施的软件工具，将它们有机地集成起来则构成一个<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）软件工程环境<span style='mso-tab-count:1'> </span>B）软件开发规范<span
style='mso-tab-count:1'> </span>C）软件生产线<span style='mso-tab-count:1'>&nbsp;&nbsp; </span>D）软件开发工具</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(31)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>软件生命周期一般可以分为两个大的阶段，它们分别是<span lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）分析和设计<span style='mso-tab-count:1'>&nbsp;&nbsp; </span>B）开发和运行
<span style='mso-tab-count:1'>&nbsp; </span>C）编码和测试 <span style='mso-tab-count:
1'>&nbsp; </span>D）规划和设计</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(32)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>软件结构图能描述软件系统的总体结构，它应在软件开发的哪一个阶段提出？<span lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）需求分析<span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp; </span>B）总体设计
<span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>C）详细设计<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp; </span><span style='mso-tab-count:
1'> </span>D）代码编写</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(33)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>数据流图是进行软件需求分析常用的工具，其中最基本的图符是：变换、数据流、数据存储和外部实体，其中用什么图符来代表图中的数据源<span
lang=EN-US>/池？<o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）变换<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>B）数据流<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp; </span><span style='mso-tab-count:
1'>&nbsp;&nbsp; </span>C）数据存储<span style='mso-spacerun:yes'>&nbsp;&nbsp;
</span><span style='mso-tab-count:1'>&nbsp; </span>D）外部实体</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(34)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>遵守数据守恒与否是检查数据流图正确性的措施之一，而违背数据守恒的情况只能出现在<span lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）数据存储<span style='mso-spacerun:yes'>&nbsp;
</span><span style='mso-tab-count:1'>&nbsp;&nbsp; </span>B）数据流<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:1'>&nbsp; </span>C）数据加工<span
style='mso-spacerun:yes'>&nbsp; </span><span style='mso-tab-count:1'>&nbsp;&nbsp; </span>D）组合数据</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(35)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>软件需求说明书中包括多方面的内容，下述哪个<u>不</u>是软件需求说明书中应包括的内容？<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）数据描述<span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp; </span>B）功能描述<span
style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp; </span>C）性能描述 <span
style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>D）结构描述</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(36)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>软件结构中有度量软件结构的术语，而表示控制的总分布的术语则是软件结构的<span lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）深度<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:1'>&nbsp; </span>B）宽度<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>C）扇出<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>D）扇入</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(37)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>软件测试方法一般有黑箱测试和白箱测试，而其中黑箱测试主要是依据程序的<span lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）结构<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:1'>&nbsp; </span>B）流程<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp; </span><span style='mso-tab-count:
2'>&nbsp;&nbsp;&nbsp;&nbsp; </span>C）功能<span style='mso-tab-count:3'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>D）逻辑</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(38)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>程序测试是一项复杂的工作，一般测试者在进行测试中都需要设计<span lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）数据结构 <span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp; </span>B）测试实例<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp; </span><span style='mso-tab-count:
1'> </span>C）测试阶段<span style='mso-spacerun:yes'>&nbsp;&nbsp; </span><span
style='mso-tab-count:1'>&nbsp; </span>D）测试方法</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(39)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
lang=EN-US style='font-family:宋体'>SQL语言中的“视图(View)”对应于数据库三级模式结构中的<o:p></o:p></span></p>

<p class=a2><span lang=EN-US>A）外模式<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp; </span><span style='mso-tab-count:
1'>&nbsp;&nbsp; </span>B）模式<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:1'>&nbsp; </span>C）内模式<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:1'> </span>D）概念模式</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(40)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>对数据库中的数据可以进行查询、插入、删除、修改（更新），这是因为数据库管理系统提供了<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=a2><span lang=EN-US>A）数据定义功能<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:3'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>B）数据操作纵功能</span></p>

<p class=a2><span lang=EN-US>C）数据维护功能<span
style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style='mso-tab-count:3'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>D）数据控制功能</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span
lang=EN-US style='font-family:宋体;mso-bidi-font-family:宋体'><span
style='mso-list:Ignore'>(41)<span style='font:7.0pt "Times New Roman"'>&nbsp; </span></span></span><![endif]><span
style='font-family:宋体'>在下列条目中，哪些是数据库管理员（<span lang=EN-US>DBA）的职责？<o:p></o:p></span></span></p>

<p class=a2>Ⅰ<span lang=EN-US>. 负责管理企业组织的数据库资源</span></p>

<p class=a2>Ⅱ<span lang=EN-US>. 收集和确定有关用户的需求</span></p>

<p class=a2>Ⅲ<span lang=EN-US>. 设计和实现数据库并按需要修改和转换数据</span></p>

<p class=a2>Ⅳ<span lang=EN-US>. 为用户提供资料和培训方面的帮助</span></p>

<p class=a2><span lang=EN-US>A）Ⅰ和Ⅱ<span style='mso-tab-count:2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>B）Ⅰ，Ⅱ和Ⅲ<span
style='mso-tab-count:1'>&nbsp;&nbsp; </span>C）Ⅲ和Ⅳ<span style='mso-tab-count:
2'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>D）都是</span></p>

<p class=a1 style='margin-left:23.8pt;text-indent:-23.8pt;mso-list:l7 level1 lfo90'><![if !supportLists]><span