200501_rjsjs.htm

软件设计师考试的资料

  mso-font-kerning:0pt'>R8<o:p></o:p></span></p>
  </td>
  <td width="9%" style='width:9.0%;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;
  mso-font-kerning:0pt'>R9<o:p></o:p></span></p>
  </td>
  <td width="9%" style='width:9.0%;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;
  mso-font-kerning:0pt'>R10<o:p></o:p></span></p>
  </td>
 </tr>
</table>

</div>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　假定磁盘的旋转速度为<span
lang=EN-US>20ms/</span>周，磁头当前处在<span lang=EN-US>R1</span>的开始处。若系统顺序处理这些记录，使用单缓冲区，每个记录处理时间为<span
lang=EN-US>4ms</span>，则处理这<span lang=EN-US>10</span>个记录的最长时间为<span lang=EN-US>___(15)___</span>；若对信息存储进行优化分布后，处理<span
lang=EN-US>10</span>个记录的最少时间为<span lang=EN-US>___(16)___</span>。<span
lang=EN-US><br>
</span>　　（<span lang=EN-US>15</span>）<span lang=EN-US>A</span>．<span
lang=EN-US>180ms</span><span class=GramE>　　　　</span><span lang=EN-US>B</span>．<span
lang=EN-US>200ms</span><span class=GramE>　　　　　　</span><span lang=EN-US>C</span>．<span
lang=EN-US>204ms</span><span class=GramE>　　　　　</span><span lang=EN-US>D</span>．<span
lang=EN-US>220ms&nbsp;<br>
</span>　　（<span lang=EN-US>16</span>）<span lang=EN-US>A</span>．<span
lang=EN-US>40ms</span><span class=GramE>　　　　</span><span lang=EN-US> B</span>．<span
lang=EN-US>60ms</span><span class=GramE>　　　　　　</span><span lang=EN-US> C</span>．<span
lang=EN-US>100ms</span><span class=GramE>　　　　　</span><span lang=EN-US>D</span>．<span
lang=EN-US>160ms <o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　<span
lang=EN-US>●</span>页式存储系统的逻辑地址是由页号和页内地址两部分组成。假定页面的大小为<span lang=EN-US>4K</span>，地址变换过程如下图所示，图中逻辑地址用十进制表示。<span
lang=EN-US> <o:p><SPAN lang=EN-US 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">(</SPAN><SPAN 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">欢迎访问软件考试网<SPAN 
lang=EN-US>www.hbsoft.net)</SPAN></SPAN></o:p></span></span></p>

<p class=MsoNormal align=center style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:center;mso-pagination:widow-orphan'><span lang=EN-US
style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:
0pt'><!--[if gte vml 1]><v:shape id="_x0000_i1026" type="#_x0000_t75" alt=""
 style='width:424.5pt;height:179.25pt'>
 <v:imagedata src="200501_rjsjs.files/image002.gif" o:href="http://www.chinatnk.com/netadmin/oldchild/jsjsj/spks/wl/ws05_1s1.gif"/>
</v:shape><![endif]--><![if !vml]><img width=566 height=239
src="200501_rjsjs.files/image002.gif" v:shapes="_x0000_i1026"><![endif]><o:p></o:p></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　图中有效地址经过变换后，十进制物理地址<span
lang=EN-US> a </span>应为<span lang=EN-US>___(17)____</span>。<span lang=EN-US><SPAN lang=EN-US 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">(</SPAN><SPAN 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">欢迎访问软件考试网<SPAN 
lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
</span>　　（<span lang=EN-US>17</span>）<span lang=EN-US>A</span>．<span
lang=EN-US>33220</span><span class=GramE>　　　　　　</span><span lang=EN-US>B</span>．<span
lang=EN-US>8644</span><span class=GramE>　　　　　</span><span lang=EN-US>C</span>．<span
lang=EN-US>4548</span><span class=GramE>　　　　　</span><span lang=EN-US>D</span>．<span
lang=EN-US>2500<o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　<span
lang=EN-US>● </span>下列叙述中，与提高软件可移植性相关的是<span lang=EN-US>___(18)____<br>
</span>　　（<span lang=EN-US>18</span>）<span lang=EN-US>A</span>．选择时间效率高的算法<span
class=GramE>　　　　　　　</span><span lang=EN-US>B</span>．尽可能减少注释<span lang=EN-US><br>
</span><span class=GramE>　　　　　</span><span lang=EN-US>C</span>．选择空间效率高的算法<span
class=GramE>　　　　　　　</span><span lang=EN-US>D</span>．尽量用高级语言编写系统中对效率要求不高的部分<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　<span
lang=EN-US>● </span>在系统转换的过程中，旧系统和新系统并行工作一段时间，再由新系统代替旧系统的策略称为<span lang=EN-US>___(19)____</span>；在新系统全部正式运行前，一部分一部分地代替旧系统的策略称为<span
lang=EN-US>_____(20)_____</span>。<span lang=EN-US><SPAN lang=EN-US 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">(</SPAN><SPAN 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">欢迎访问软件考试网<SPAN 
lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
</span>　　（<span lang=EN-US>19</span>）<span lang=EN-US>A</span>．直接转换<span
class=GramE>　　　　</span><span lang=EN-US>B</span>．位置转换<span class=GramE>　　　　</span><span
lang=EN-US>C</span>．分段转换<span class=GramE>　　　　</span><span lang=EN-US>D</span>．并行转换<span
lang=EN-US><br>
</span>　　（<span lang=EN-US>20</span>）<span lang=EN-US>A</span>．直接转换<span
class=GramE>　　　　</span><span lang=EN-US>B</span>．位置转换<span class=GramE>　　　　</span><span
lang=EN-US>C</span>．分段转换<span class=GramE>　　　　</span><span lang=EN-US>D</span>．并行转换<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　<span
lang=EN-US>● </span>下列要素中，不属于<span lang=EN-US>DFD</span>的是<span lang=EN-US>_____(21)_____</span>。当使用<span
lang=EN-US>DFD</span>对一个工资系统进行建模时，<span lang=EN-US>_____(22)_____</span>可以被认定为外部实体。<span
lang=EN-US><br>
</span>　　（<span lang=EN-US>21</span>）<span lang=EN-US>A</span>．加工<span
class=GramE>　　　　　　　</span><span lang=EN-US>B</span>．数据流<span class=GramE>　　　　　　　</span><span
lang=EN-US>C</span>．数据存储　<span lang=EN-US>D</span>．联系<span lang=EN-US>&nbsp;<br>
</span>　　（<span lang=EN-US>22</span>）<span lang=EN-US>A</span>．接收工资单的银行　<span
lang=EN-US>B</span>．工资系统源代码程序　<span lang=EN-US>C</span>．工资单　　<span lang=EN-US>D</span>．工资数据库的维护。<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　<span
lang=EN-US>● </span>在系统验收测试中，<span lang=EN-US>_____(23)____</span>是在一个模拟的环境下使用模拟数据运行系统；<span
lang=EN-US>_____(24)____</span>是在一个实际环境中使用真实数据运行系统。<span lang=EN-US><SPAN lang=EN-US 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">(</SPAN><SPAN 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">欢迎访问软件考试网<SPAN 
lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
</span>　　（<span lang=EN-US>23</span>）<span lang=EN-US>A</span>．验证测试<span
class=GramE>　　　　</span><span lang=EN-US>B</span>．审计测试<span class=GramE>　　　　</span><span
lang=EN-US>C</span>．确认测试<span class=GramE>　　　　</span><span lang=EN-US>D</span>．模块测试<span
lang=EN-US><br>
</span>　　（<span lang=EN-US>24</span>）<span lang=EN-US>A</span>．验证测试<span
class=GramE>　　　　</span><span lang=EN-US>B</span>．审计测试<span class=GramE>　　　　</span><span
lang=EN-US>C</span>．确认测试<span class=GramE>　　　　</span><span lang=EN-US>D</span>．模块测试<span
lang=EN-US> <o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　<span
lang=EN-US>● </span>采用瀑布模型进行系统开发的过程中，每个阶段都会产生不同的文档。以下关于产生这些文档的描述中，正确的是<span
lang=EN-US>_____(25)____</span>。<span lang=EN-US><SPAN lang=EN-US 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">(</SPAN><SPAN 
style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">欢迎访问软件考试网<SPAN 
lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
</span>　　（<span lang=EN-US>25</span>）<span lang=EN-US>A</span>．外部设计评审报告在概要设计阶段产生<span
lang=EN-US>&nbsp;<br>
</span><span class=GramE>　　　　　</span><span lang=EN-US>B.</span>集成测评计划在程序设计阶段产生<span
lang=EN-US>&nbsp;<br>
</span><span class=GramE>　　　　　</span><span lang=EN-US>C.</span>系统计划和需求说明在详细设计阶段产生<span
lang=EN-US>&nbsp;<br>
</span><span class=GramE>　　　　　</span><span lang=EN-US>D.</span>在进行编码的同时，独立的设计单元测试计划<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='font-size:12.0pt;
font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:0pt'>　　<span
lang=EN-US>● </span>在一个单<span lang=EN-US>CPU</span>的计算机系统中，有两台外部设备<span
lang=EN-US>R1</span>、<span lang=EN-US>R2</span>和三个进程<span lang=EN-US>P1</span>、<span
lang=EN-US>P2</span>、<span lang=EN-US>P3</span>。系统采用可剥夺式优先级的进程调度方案，且所有进程可以并行使用<span
lang=EN-US>I/O</span>设备，三个进程的优先级、使用设备的先后顺序和占用设备的<span class=GramE>间如下</span>表所示：<span
lang=EN-US> <o:p></o:p></span></span></p>

<div align=center>

<table class=MsoNormalTable border=1 cellpadding=0 width=531 style='width:398.25pt;
 mso-cellspacing:1.5pt'>
 <tr style='mso-yfti-irow:0;mso-yfti-firstrow:yes'>
  <td width=54 style='width:40.5pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:
  0pt'>进程<span lang=EN-US> <o:p></o:p></span></span></p>
  </td>
  <td width=94 style='width:70.5pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:
  0pt'>优先级<span lang=EN-US> <o:p></o:p></span></span></p>
  </td>
  <td width=377 style='width:282.75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:
  0pt'>使用设备的先后顺序和占用设备时间<span lang=EN-US> <o:p></o:p></span></span></p>
  </td>
 </tr>
 <tr style='mso-yfti-irow:1'>
  <td width=54 style='width:40.5pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;
  mso-font-kerning:0pt'>P1 <o:p></o:p></span></p>
  </td>
  <td width=94 style='width:70.5pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:
  0pt'>高<span lang=EN-US> <o:p></o:p></span></span></p>
  </td>
  <td width=377 style='width:282.75pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=left style='text-align:left;mso-pagination:widow-orphan'><span
  lang=EN-US style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;
  mso-font-kerning:0pt'>R2(30ms)→CPU(10ms) → R1(30ms) →CPU(10ms) <o:p></o:p></span></p>
  </td>
 </tr>
 <tr style='mso-yfti-irow:2'>
  <td width=54 style='width:40.5pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US style='font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体;
  mso-font-kerning:0pt'>P2 <o:p></o:p></span></p>