成考院校在线答案
- 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">35、<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">FLAGS</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">称为标志寄存器，十六进制数<span lang="EN-US">FFFFH</span>与十六进制数<span lang="EN-US">62A0H</span>相加，根据结果设置标志位<span lang="EN-US">SF</span>、<span lang="EN-US">ZF</span>、<span lang="EN-US">CF</span>和<span lang="EN-US">OF</span>的值。其中<span lang="EN-US">OF=1</span>，<span lang="EN-US">SF=1</span>，<span lang="EN-US">ZF=0</span>，<span lang="EN-US">CF=1</span>。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal" align="left" style="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">IP</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">称为指令指示器，它用来存放代码段中的偏移地址（或<span lang="EN-US">EA</span>）。<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">12、<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">AFH</span>化为十进制是<span lang="EN-US">175</span>，化为二进制是<span lang="EN-US">10101111</span>化为八进制是<span lang="EN-US">257</span>。<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">8、<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">计算机中有一个“<span lang="EN-US">01100001</span>”编码，如果把它认为是无符号数，它是十进制的<span lang="EN-US">97</span>，如果认为它是<span lang="EN-US">BCD</span>码，则表示<span lang="EN-US">61</span>，又如果它是某个<span lang="EN-US">ASCII</span>码，则代表字符<span lang="EN-US">a</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">某数据段的逻辑地址为<span lang="EN-US">F000:100,</span>则数据段的段地址为<span lang="EN-US">F000h,</span>偏移地址为<span lang="EN-US">100h</span>，物理地址为<span lang="EN-US">f0100h</span>。从逻辑地址为<span lang="EN-US">F000:100</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">f010eh</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">10、<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">19、<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">在指令<span lang="EN-US">MOV AX</span>，<span lang="EN-US">[BX]</span>中，源操作数的寻址方式为间接寻址<span lang="EN-US">,</span>目的操作数的寻址方式为寄存器寻址。</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">3、<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">100010</span>化为十进制是<span lang="EN-US">34</span>，将十进制数<span lang="EN-US">100</span>化为八进制是<span lang="EN-US">144</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">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" style="margin-top:5.0pt;margin-right:0cm;margin-bottom: 5.0pt;margin-left:0cm;mso-pagination:widow-orphan">40、<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">对于下面的符号定义，指出下列指令的错误。</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" style="margin-top:5.0pt;margin-right:0cm;margin-bottom: 5.0pt;margin-left:0cm;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">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" style="margin-top:5.0pt;margin-right:0cm;margin-bottom: 5.0pt;margin-left:0cm;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" style="margin-top:5.0pt;margin-right:0cm;margin-bottom: 5.0pt;margin-left:0cm;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="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">MOV K1</span>，<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="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">MOV<span style="mso-spacerun:yes"> </span>A1</span>，<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="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">CMP A1</span>，<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="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">④<span lang="EN-US">K1 EQU</span>，<span lang="EN-US">2048<span style="mso-spacerun:yes"> </span>K1</span>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; 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">27、<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">求出十六进制数<span lang="EN-US">9D60</span>与十六进制数<span lang="EN-US">62A0</span>之和，并根据结果设置标志位<span lang="EN-US">SF</span>、<span lang="EN-US">ZF</span>、<span lang="EN-US">CF</span>和<span lang="EN-US">OF</span>的值，和为<span lang="EN-US">0000H</span>；<span lang="EN-US">SF=0,ZF=1,CF=1,OF=0</span>。<span lang="EN-US"> <o:p></o:p></span></span></p>