question_1.htm

软件设计师模拟试卷,点击里面的Exe文件可以随机出题

lang=EN-US style='mso-bidi-font-size:10.5pt'>(</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>包括退还多余的钱</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>)</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>后，系统应保存销售记录，并等待乘客购票。<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>该系统还要求快速响应和操作同步，所以它应是一个实时系统。为此，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>A</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>公司在该系统的数据流程图中附加了过程控制部分，形成转换图。在该图中，控制流</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>(</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>事件流</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>)</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>用虚线表示，数据流用实线表示。图中的数据流并没有画全，需要考生填补。转换图如图</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>1</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>所示。<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=center style='text-align:center;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:8.5pt;font-family:"MS Sans Serif";
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lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:
"MS Sans Serif"'><o:p></o:p></span></p>

<p class=MsoNormal align=center style='text-align:center;mso-layout-grid-align:
none;text-autospace:none'><span style='mso-bidi-font-size:10.5pt;font-family:
宋体;mso-hansi-font-family:"MS Sans Serif"'>图</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>1</span><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman"'>转换图<span lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>程进行的控制可以用系统内部各个状态之间的迁移来描述，从而形成状态迁移图。在状态迁移图中，用双线框表示状态，用有向边表示状态的迁移。引起状态迁移的事件以及由该事件引起的动作，在有向边旁用<span
lang=EN-US>&quot;事件</span></span><span lang=EN-US style='mso-bidi-font-size:
10.5pt'><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>动作<span
lang=EN-US>&quot;形式注明。状态迁移图如图</span></span><span lang=EN-US style='mso-bidi-font-size:
10.5pt'>2</span><span style='mso-bidi-font-size:10.5pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman"'>所示。<span lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=center style='text-align:center;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:8.5pt;font-family:"MS Sans Serif";
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><!--[if gte vml 1]><v:shape id="_x0000_i1026"
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src="./Question_1.files/image004.jpg" v:shapes="_x0000_i1026"><![endif]></span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:
"MS Sans Serif"'><o:p></o:p></span></p>

<p class=MsoNormal align=center style='text-align:center;mso-layout-grid-align:
none;text-autospace:none'><span style='mso-bidi-font-size:10.5pt;font-family:
宋体;mso-hansi-font-family:"MS Sans Serif"'>图</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>2</span><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman"'>状态迁移图<span lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:
"Times New Roman"'><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>该公司还制作了一个过程启动表，用以表明状态迁移图中的</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>4</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>个动作与转换图中的</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>4</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>个过程之间的<span
lang=EN-US>&quot;启动&quot;关系，即说明哪个动作将启动哪个过程。用</span></span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>1</span><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman"'>表示启动，用</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>0</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>表示不启动。启动的过程将根据获得的输入数据产生输出数据，未启动的过程则不会产生输出数据。该表中没有列出的过程，其执行与否与事件无关。过程启动表见表</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>1</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>：<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=center style='text-align:center;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:8.5pt;font-family:"MS Sans Serif";
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</v:shape><![endif]--><![if !vml]><img width=172 height=46
src="./Question_1.files/image006.jpg" v:shapes="_x0000_i1027"><![endif]></span><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:
"MS Sans Serif"'><o:p></o:p></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"MS Sans Serif"'>【问题</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>1</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>】<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>转换图中缺少哪三条数据流</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>?</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>请指明每条数据流的名称、起点和终点。<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>【问题</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>2</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>】<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>在状态迁移图中，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>a</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>b</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>分别表示什么事件？请用转换图中给出的事件名解答。<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>【问题</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>3</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>】<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='mso-bidi-font-size:10.5pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman"'>在过程启动表中，</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>d</span><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman"'>，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>e</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>处应填什么</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>?</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>请分别用</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>4</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>位二进制码表示。</span><span
style='font-size:8.5pt;font-family:"MS Sans Serif";mso-font-kerning:0pt;
mso-ansi-language:ZH-CN'><o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>

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