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">34、<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">某数据段的逻辑地址为<span lang="EN-US">A000:200,</span>则数据段的段地址为<span lang="EN-US">A000h,</span>偏移地址为<span lang="EN-US">200h</span>，物理地址为<span lang="EN-US">A0200h</span>。从逻辑地址为<span lang="EN-US">A000:200</span>开始的一个<span lang="EN-US">8</span>个字的数据区，其最后一个字的物理地址是<span lang="EN-US">A020eh</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">37、<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">指令<span lang="EN-US">MOV AH, BX</span>有错，错误为寄存器类型不匹配，指令<span lang="EN-US">MOV [BX], [SI]</span>有错，错误为不能都是存储器操作数，指令<span lang="EN-US">MOV AX, [SI][DI]</span>有错，错误为<span lang="EN-US">[SI]</span>和<span lang="EN-US">[DI]</span>不能一起使用。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">38、<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">伪指令是它是在对源程序汇编期间由汇编程序处理的操作<span lang="EN-US">,</span>它不产生任何机器代码。</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">伪指令是它是在对源程序汇编期间由汇编程序处理的操作<span lang="EN-US">,</span>它不产生任何机器代码。</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">将二进制数<span lang="EN-US">110000</span>化为十进制是<span lang="EN-US">48</span>，十六进制为<span lang="EN-US">30</span>，化为八进制为<span lang="EN-US">60</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">22、<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</span>、<span lang="EN-US">BP</span>、<span lang="EN-US">SI</span>、<span lang="EN-US">DI</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">31、<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">十六进制数<span lang="EN-US">0F1H</span>表示的十进制正数表示为<span lang="EN-US">241</span>，表示的十进制负数表示为<span lang="EN-US">-15</span>，十进制数<span lang="EN-US">255</span>转换为<span lang="EN-US">BCD</span>码表示为<span lang="EN-US">001001010101</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">22、<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">将十六进制数<span lang="EN-US">2EH</span>化为十进制是<span lang="EN-US">46</span>，将十六进制数<span lang="EN-US">10H</span>化为二进制是<span lang="EN-US">10000</span>，化为八进制是<span lang="EN-US">20</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="margin-top:5.0pt;margin-right:0cm; margin-bottom:5.0pt;margin-left:0cm;text-align:left;mso-pagination:widow-orphan">13、<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">假设<span lang="EN-US">VAR1</span>和<span lang="EN-US">VAR2</span>为字变量，<span lang="EN-US">LAB</span>为标号，试指出下列指令的错误之处：</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 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">①<span lang="EN-US">ADD <span style="mso-spacerun:yes"> </span>VAR1,VAR2 </span>不能都是存储器操作数</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 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">②<span lang="EN-US">SUB<span style="mso-spacerun:yes"> </span>AL, VAR1 <span style="mso-spacerun:yes"> </span></span>数据类型不匹配</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 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">③<span lang="EN-US">JMP LAB [SI] LAB</span>是标号而不是变量名，后面不能加<span lang="EN-US">[SI]</span>④<span lang="EN-US">JNZ <span style="mso-spacerun:yes"> </span>VAR1 VAR1</span>是变量而不是标号</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 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">⑤<span lang="EN-US">JMP NEAR LAB </span>应使用<span lang="EN-US">NEAR PTR</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">19、<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，段首址应分别在段寄存器<span lang="EN-US">CS</span>、<span lang="EN-US">DS</span>、<span lang="EN-US">SS</span>、<span lang="EN-US">ES</span>中，其中，<span lang="EN-US">CS</span>和<span lang="EN-US">SS</span>的段首址由系统自动置入，<span lang="EN-US">DS</span>和<span lang="EN-US">ES</span>的段首址由用户自己置入。</span><span lang="EN-US" style="font-size: 12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>