成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">30、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"">CPU</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">主要的组成部部分为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">1、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman";color:black;mso-themecolor: text1">单片机的<span lang="EN-US">ALE</span>引脚是以晶振频率的（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）固定频率输出正脉冲，因此它可作为外部时钟或外部定时脉冲使用。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman";color:black; mso-themecolor:text1"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family: "Times New Roman";color:black;mso-themecolor:text1"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">10、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">在单片机中（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）为程序存储器。</span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">4、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">能用紫外线光擦除<span lang="EN-US">ROM</span>中的程序的只读存储器为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">13、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"">PSW</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">的<span lang="EN-US">OV</span>位为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">15、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"">MCS-51</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">执行完<span lang="EN-US">MOV<span style="mso-spacerun:yes"> </span>A,#08H</span>后<span lang="EN-US">,PSW</span>的哪一位被置位<span lang="EN-US">(<span style="mso-spacerun:yes"> </span>)</span></span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">11、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"">8031</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">单片机的<span lang="EN-US">(<span style="mso-spacerun:yes"> </span>)</span>口的引脚，还具有外中断、串行通信等第二功能。</span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">7、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"">MCS-51</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">有中断源<span lang="EN-US">(<span style="mso-spacerun:yes"> </span>)</span></span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">17、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman"">MCS</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">－<span lang="EN-US">51</span>单片机片内<span lang="EN-US">ROM</span>容量为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">24、<span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman";color:black; mso-themecolor:text1">AT89C51</span><span style="font-size:12.0pt;mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman";color:black; mso-themecolor:text1">单片机<span lang="EN-US">5</span>个中断源的优先权从高到低的是（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p>