成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">14、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">已知<span lang="EN-US">AL,BL</span>中数据为带符号数，若求<span lang="EN-US">AL</span>∕<span lang="EN-US">BL</span>的商，应使用指令序列为<span lang="EN-US">CBW</span>和<span lang="EN-US">IDIV BL</span>。</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">29、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">将二进制数<span lang="EN-US">110001</span>化为十进制是<span lang="EN-US">49</span>，十六进制为<span lang="EN-US">31</span>，化为八进制为<span lang="EN-US">61</span>。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">17、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">汇编语言源程序需经过<span lang="EN-US">Masm</span>程序汇编，<span lang="EN-US">link</span>程序连接才能生成可执行文件。</span><span lang="EN-US" style="font-size: 12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">32、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">若<span lang="EN-US">DS=0F3EH</span>，<span lang="EN-US">SI=2000H</span>，<span lang="EN-US">COUNT=0A8H</span>，指令<span lang="EN-US">MOV AX</span>，<span lang="EN-US">[SI+COUNT]</span>中，源操作数的有效地址<span lang="EN-US">EA</span>为<span lang="EN-US">20A8H</span>，其物理地址为<span lang="EN-US">11488H</span>。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">16、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">堆栈是一端固定，一端活动，按先进后出原理工作的一块存储区。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan">33、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">有下列数据定义：<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">AA DW 1</span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">，<span lang="EN-US">2</span>，<span lang="EN-US">3</span>，<span lang="EN-US">4</span>，<span lang="EN-US">5</span>，<span lang="EN-US">6</span>，<span lang="EN-US">7 <o:p></o:p></span></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">COUNT EQU($-AA)/2 <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">则<span lang="EN-US">COUNT=7</span>，表示存储单元<span lang="EN-US">AA</span>占有的字的个数。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan">23、<span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">A1 DB</span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">？</span><span lang="EN-US" style="font-size:12.0pt;font-family:"sans serif";mso-fareast-font-family: "sans serif";mso-bidi-font-family:"sans serif";color:black"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">A2 DB 10</span><span lang="EN-US" style="font-size:12.0pt; font-family:"sans serif";mso-fareast-font-family:"sans serif";mso-bidi-font-family: "sans serif";color:black"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">K1 EQU 1024</span><span lang="EN-US" style="font-size:12.0pt; font-family:"sans serif";mso-fareast-font-family:"sans serif";mso-bidi-font-family: "sans serif";color:black"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">MOV K1</span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">，<span lang="EN-US">AX <span style="mso-spacerun:yes"> </span>K1</span>为常量，不能用<span lang="EN-US">MOV</span>指令赋值</span><span lang="EN-US" style="font-size:12.0pt;font-family:"sans serif";mso-fareast-font-family: "sans serif";mso-bidi-font-family:"sans serif";color:black"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">MOV A1</span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">，<span lang="EN-US">AX <span style="mso-spacerun:yes"> </span>A1</span>为字节，<span lang="EN-US">AX</span>为字变量，不匹配</span><span lang="EN-US" style="font-size:12.0pt;font-family:"sans serif";mso-fareast-font-family: "sans serif";mso-bidi-font-family:"sans serif";color:black"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">CMP A1</span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">，<span lang="EN-US">A2 <span style="mso-spacerun:yes"> </span>A1</span>未定义，无法做比较指令</span><span lang="EN-US" style="font-size:12.0pt;font-family:"sans serif";mso-fareast-font-family: "sans serif";mso-bidi-font-family:"sans serif";color:black"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">K1 EQU 2048 K1</span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family: 宋体;color:black;mso-font-kerning:0pt;mso-bidi-language:AR">重新赋值前，必须用<span lang="EN-US">PURGE</span>释放</span><span lang="EN-US" style="font-size:12.0pt; font-family:"sans serif";mso-fareast-font-family:"sans serif";mso-bidi-font-family: "sans serif";color:black"> <o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p> </o:p></span></p> <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p> </o:p></span></p> <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p> </o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">9、<span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">PC</span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">机中，可作为间接寻址的寄存器为<span lang="EN-US">BX,BP,SI,DI</span>。可作为<span lang="EN-US">8</span>位和<span lang="EN-US">16</span>位的寄存器为<span lang="EN-US">AX,BX,CX,DX</span>。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">26、<span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">数<span lang="EN-US">-27</span>的补码表示是<span lang="EN-US">11100101</span>（<span lang="EN-US">8</span>位），扩展到<span lang="EN-US">16</span>位为<span lang="EN-US">1111111111100101</span>。</span><span lang="EN-US" style="font-size: 12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">33、<span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">8086</span><span style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;color:black; mso-font-kerning:0pt;mso-bidi-language:AR">微处理器内部共有<span lang="EN-US">14</span>个<span lang="EN-US">16</span>位可编程寄存器，数据寄存器组包括<span lang="EN-US">4</span>个<span lang="EN-US">16</span>位的寄存器，他们分别是<span lang="EN-US">BX</span>、<span lang="EN-US">BP</span>、<span lang="EN-US">SI</span>、<span lang="EN-US">DI</span>每段的段首址分别存放在对应的四个段寄存器中，这四个段寄存器的名称分别是<span lang="EN-US">DS</span>、<span lang="EN-US">CS</span>、<span lang="EN-US">ES</span>、<span lang="EN-US">SS</span>。</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>