成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">6、<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"">是<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">10、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">若单片机的振荡频率为<span lang="EN-US">6MHz</span>，设定时器工作在方式<span lang="EN-US">1</span>需要定时<span lang="EN-US">1ms</span>，则定时器初值应为<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">2、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">若某存储器芯片地址线为<span lang="EN-US">12</span>根<span lang="EN-US">,</span>那么它的存储容量为（ <span style="mso-spacerun:yes"> </span>）<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""><span style="mso-spacerun:yes"> </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">18、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">访问片外数据存储器的寻址方式是（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）<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""><span style="mso-spacerun:yes"> </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 [判断] <p class="MsoNormal">26、<span style="mso-bookmark:_Hlk59749210"><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">一个完整的微机系统由硬件和软件两大部分组成。</span></span><span style="mso-bookmark:_Hlk59749210"><span lang="EN-US" style="font-family:黑体; mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">22、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">若由程序设定<span lang="EN-US">RS1</span>、<span lang="EN-US">RS0=01</span>，则工作寄存器<span lang="EN-US">R0</span>～<span lang="EN-US">R7</span>的直接地址为<span lang="EN-US">08</span>～<span lang="EN-US">0FH</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 [判断] <p class="MsoNormal">32、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">中断响应时间是指从查询中断请求标志位到转向中断区入口地址所需的机器周期数。<span lang="EN-US"> <o:p></o:p></span></span></p> <p class="MsoNormal"><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">3、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">要用传送指令访问<span lang="EN-US">MCS-51</span>片外<span lang="EN-US">RAM</span>，它的指令操作码助记符是（ ）</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">27、<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=18H</span><span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">时<span lang="EN-US">,</span>则当前工作寄存器是<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">16、<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"">的相对转移指令的最大<span class="GramE">负跳变距离</span><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>