成考院校在线答案
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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">寻找操作数的过程就是操作数的寻址方式。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
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2022-09-12
[判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">2、<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>
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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">指令<span lang="EN-US">PUSH BL</span>有错，应改为<span lang="EN-US">PUSH BX</span>。</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>
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2022-09-12
[判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">20、<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">要求屏蔽寄存器<span lang="EN-US">AL</span>第<span lang="EN-US">0,1</span>两位<span lang="EN-US">,</span>则要执行指令<span lang="EN-US">AND AL,0FCH;</span>如果要求把<span lang="EN-US">AL</span>的第<span lang="EN-US">0,1</span>位变反，可使用指令<span lang="EN-US">XOR AL,03H</span>。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
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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">求出十六进制数<span lang="EN-US">1234</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">74D4H</span>；<span lang="EN-US">SF=0,ZF=0,CF=0,OF=0</span>。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
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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">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>
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2022-09-12
[判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">11、<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">指令改错<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">INC[SI] <span style="mso-spacerun:yes"> </span>INC PTR WORD[SI] <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;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">MOV[BX],[SI] MOV BX,[SI] <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;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">MOV AX,[SI][DI] MOV AX,[BX][DI] <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;font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei; color:black;mso-font-kerning:0pt;mso-bidi-language:AR">MOV CS,1000 <span style="mso-spacerun:yes"> </span>MOV AX,1000</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
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2022-09-12
[判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">39、<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">0FFF8H</span>表示的十进制正数为<span lang="EN-US">65528</span>，表示的十进制负数为<span lang="EN-US">8</span>。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
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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">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>
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2022-09-12
[判断] <p class="MsoNormal" align="left" style="text-align:left;mso-pagination:widow-orphan">15、<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，其中<span lang="EN-US">OF</span>是溢出标志，<span lang="EN-US">SF</span>是符号标志，<span lang="EN-US">ZF</span>是零标志，<span lang="EN-US">CF</span>是进位标志，当<span lang="EN-US">SF</span>＝<span lang="EN-US">0</span>时，表示结果为正数，当<span lang="EN-US">ZF</span>＝<span lang="EN-US">1</span>时，表示结果为<span lang="EN-US">0</span>。</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
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