成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:150%">28、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:11.0pt;line-height:150%; font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast">8051</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;line-height:150%; mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family:宋体">单片机串行接口在工作方式</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:11.0pt;line-height: 150%;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast">2</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;line-height:150%; mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family:宋体">时，其帧格式中的数据位是</span><u><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;line-height:150%; font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast"> <span lang="EN-US"><span style="mso-spacerun:yes"> </span></span></span></u><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;line-height:150%; mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family:宋体">位。</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:11.0pt;line-height:150%; font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线;mso-hansi-theme-font:minor-latin"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">6、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family: 等线;mso-fareast-theme-font:minor-fareast">8051</span><span style="font-size: 12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">单片机的指令系统共有</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast">7</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">种寻址方式，下列寻址方式中不属于</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family: 等线;mso-fareast-theme-font:minor-fareast">8051</span><span style="font-size: 12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">单片机的是</span><u><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast"><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span></span></u><span style="font-size:12.0pt; mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family: "Times New Roman",serif;mso-fareast-font-family:Microsoft Yahei;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">30、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family: 等线;mso-fareast-theme-font:minor-fareast">8051</span><span style="font-size: 12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">单片机的中断系统是有</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast">2</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">个优先级</span><u><span lang="EN-US" style="font-size: 12.0pt;mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast"><span style="mso-spacerun:yes"> </span></span></u><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast"><span style="mso-spacerun:yes"> </span></span><span class="GramE"><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">个</span></span><span style="font-size:12.0pt; mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">中断源的中断系统。</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast"><span style="mso-spacerun:yes"> </span> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">16、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">如果要让</span><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast">8051</span><span style="font-size:12.0pt; mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">单片机的串行接口中断为高级中断，则需要设置</span><u><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast"><span style="mso-spacerun:yes"> </span><b><span style="mso-spacerun:yes"> </span></b><span style="mso-spacerun:yes"> </span></span></u><span style="font-size:12.0pt; mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">寄存器的值为</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast">10H</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">。</span><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family: "Times New Roman",serif;mso-fareast-font-family:Microsoft Yahei;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">10、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">如果要让</span><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast">8051</span><span style="font-size:12.0pt; mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">单片机的定时</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast">/</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">计数器</span><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast">T0</span><span style="font-size:12.0pt; mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">工作在定时方式</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast">1</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">，<span class="GramE">则特殊</span>功能寄存器</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family: 宋体;mso-fareast-font-family:等线;mso-fareast-theme-font:minor-fareast">TMOD</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">应该设置为</span><u><span lang="EN-US" style="font-size: 12.0pt;mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast"><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span></span></u><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">。</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;font-family:"Times New Roman",serif;mso-fareast-font-family:Microsoft Yahei; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">19、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei; mso-hansi-font-family:宋体">下列</span><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast">8051</span><span style="font-size:12.0pt; mso-bidi-font-size:11.0pt;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family: 宋体">单片机的指令中，书写错误的是</span><u><span lang="EN-US" style="font-size:12.0pt; mso-bidi-font-size:11.0pt;font-family:Microsoft Yahei;mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast"><span style="mso-spacerun:yes"> </span></span></u><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family:宋体">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:"Times New Roman",serif; mso-fareast-font-family:Microsoft Yahei;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [多选] <p class="MsoNormal">10、<span style="font-size:12.0pt;font-family:黑体">某控制系统的开环传递函数为<span lang="EN-US"><sub> <!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"></v:stroke> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"></v:f> <v:f eqn="sum @0 1 0"></v:f> <v:f eqn="sum 0 0 @1"></v:f> <v:f eqn="prod @2 1 2"></v:f> <v:f eqn="prod @3 21600 pixelWidth"></v:f> <v:f eqn="prod @3 21600 pixelHeight"></v:f> <v:f eqn="sum @0 0 1"></v:f> <v:f eqn="prod @6 1 2"></v:f> <v:f eqn="prod @7 21600 pixelWidth"></v:f> <v:f eqn="sum @8 21600 0"></v:f> <v:f eqn="prod @7 21600 pixelHeight"></v:f> <v:f eqn="sum @10 21600 0"></v:f> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path> <o:lock v:ext="edit" aspectratio="t"></o:lock> </v:shapetype><v:shape id="_x0000_i1346" type="#_x0000_t75" style='width:83.25pt; height:30pt' o:ole=""> <v:imagedata src="JXGCKZJC%2061.files/image001.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="111" height="40" v:shapes="_x0000_i1346" src="http://wljy.whut.edu.cn:80/uploadfiles/word/JXGCKZJC%2061.files/image002.gif"> <!--[endif]--></sub> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1346" DrawAspect="Content" ObjectID="_1672754258"> </o:OLEObject> </xml><![endif]--></span>，以下描述正确的是<span style="mso-bidi-font-weight:bold">（ <span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）。</span><span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [多选] <p class="MsoNormal">2、<span style="font-size:12.0pt;font-family:黑体">某装备上的电子仪表，要求其显示清晰，不闪烁。如果该仪表的数学模型为二阶系统，则阻尼比</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体"><sub> <!--[if gte vml 1]><v:shape id="_x0000_i1050" type="#_x0000_t75" style='width:9.75pt;height:15pt' o:ole=""> <v:imagedata src="JXGCKZJC%204.files/image051.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="13" height="20" v:shapes="_x0000_i1050" src="http://wljy.whut.edu.cn:80/uploadfiles/word/JXGCKZJC%204.files/image052.gif"> <!--[endif]--></sub> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1050" DrawAspect="Content" ObjectID="_1672753585"> </o:OLEObject> </xml><![endif]--></span><span style="mso-bidi-font-size:10.5pt;font-family: 黑体">的取值（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="font-size:12.0pt;font-family:黑体;mso-bidi-font-weight:bold"> <o:p></o:p></span></p>
- 2022-09-12 [多选] <p class="MsoNormal">4、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">一阶惯性环节的单位阶跃响应曲线的特点是（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [多选] <p class="MsoNormal">7、<span style="mso-bidi-font-size:10.5pt;font-family:黑体">若某系统的输入为<span lang="EN-US"><sub> <!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"></v:stroke> <v:formulas> <v:f eqn="if lineDrawn pixelLineWidth 0"></v:f> <v:f eqn="sum @0 1 0"></v:f> <v:f eqn="sum 0 0 @1"></v:f> <v:f eqn="prod @2 1 2"></v:f> <v:f eqn="prod @3 21600 pixelWidth"></v:f> <v:f eqn="prod @3 21600 pixelHeight"></v:f> <v:f eqn="sum @0 0 1"></v:f> <v:f eqn="prod @6 1 2"></v:f> <v:f eqn="prod @7 21600 pixelWidth"></v:f> <v:f eqn="sum @8 21600 0"></v:f> <v:f eqn="prod @7 21600 pixelHeight"></v:f> <v:f eqn="sum @10 21600 0"></v:f> </v:formulas> <v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path> <o:lock v:ext="edit" aspectratio="t"></o:lock> </v:shapetype><v:shape id="_x0000_i1537" type="#_x0000_t75" style='width:48.75pt; height:27pt' o:ole=""> <v:imagedata src="JXGCKZJC%2021.files/image001.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="65" height="36" v:shapes="_x0000_i1537" src="http://wljy.whut.edu.cn:80/uploadfiles/word/JXGCKZJC%2021.files/image002.gif"> <!--[endif]--></sub> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1537" DrawAspect="Content" ObjectID="_1672753062"> </o:OLEObject> </xml><![endif]--></span>时，其稳态误差<span lang="EN-US"><sub> <!--[if gte vml 1]><v:shape id="_x0000_i1538" type="#_x0000_t75" style='width:34.5pt;height:15pt' o:ole=""> <v:imagedata src="JXGCKZJC%2021.files/image003.wmz" o:title=""></v:imagedata> </v:shape><![endif]--> <!--[if !vml]--><img width="46" height="20" v:shapes="_x0000_i1538" src="http://wljy.whut.edu.cn:80/uploadfiles/word/JXGCKZJC%2021.files/image004.gif"> <!--[endif]--></sub> <!--[if gte mso 9]><xml _tmplitem="4" > <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1538" DrawAspect="Content" ObjectID="_1672753063"> </o:OLEObject> </xml><![endif]--></span>，则此系统可能为（ <span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）<span style="mso-bidi-font-weight: bold">。</span><span lang="EN-US"> <o:p></o:p></span></span></p>