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">35、<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,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">15、<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">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">在<span lang="EN-US">1000H</span>单元中有一条二字节指令<span lang="EN-US">JMP SHORT LAB</span>,如果其中的偏移量分别为<span lang="EN-US">30H</span>、<span lang="EN-US">6CH</span>、<span lang="EN-US">0B8H</span>,则转向地址<span lang="EN-US">LAB</span>的值分别为<span lang="EN-US">1030H</span>、<span lang="EN-US">106CH</span>、<span lang="EN-US">10B8H</span>。</span><span lang="EN-US" style="font-size:12.0pt"> <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">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">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">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">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">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">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">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">在<span lang="EN-US">CPU</span>的标志寄存器中,其中<span lang="EN-US">SF</span>是符号标志,<span lang="EN-US">ZF</span>是零标志,当<span lang="EN-US">SF</span>=<span lang="EN-US">1</span>时,表示结果为负。</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">7、<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="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">指令<span lang="EN-US">MOV AX</span>,(<span lang="EN-US">SI+COUNT</span>)中,源操作数的寻址方式为存储器变址寻址,目的操作数的寻址方式为寄存器方式。</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">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">对于<span lang="EN-US">256</span>色,<span lang="EN-US">320</span>×<span lang="EN-US">200</span>的显示模式需要<span lang="EN-US">64000</span>字节的内存存放一屏信息。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>