19秋学期《数字电子技术基础Ⅰ》在线平时作业 参考资料
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19秋学期《数字电子技术基础Ⅰ》在线平时作业 参考资料
数字电子技术基础 1 单选题 1 <p class="MsoPlainText" style="MARGIN: 0cm 0cm 0pt"><font face="宋体" size="3">对于输出“<st1:chmetcnv w:st="on" unitname="”" sourcevalue="0" hasspace="False" negative="False" numbertype="1" tcsc="0"><span lang="EN-US">0</span>”</st1:chmetcnv>有效的<span lang="EN-US">2</span>—<span lang="EN-US">4</span>线译码器来说要实现，</font><span lang="EN-US"><font face="宋体" size="3">Y=<img height="20" width="51" alt="" src="http:/file.open.com.cn/ItemDB/98839/043785b7-4d9e-4cb1-a374-23ac8d3ce582/201192314561960.jpg" /></font></span><font size="3"><font face="宋体">的功能，应外加<span lang="EN-US">(<span style="mso-spacerun: yes"> </span>)</span></font></font></p> B A 或门B 与门C 或非门D 与非门2 <span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Times New Roman">一只四输入端与非门，使其输出为</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman,serif; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Times New Roman">的输入变量取值组合有</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman,serif; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">_</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Times New Roman">种。</span> D A 15B 8C 7D 13 <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Times New Roman; mso-bidi-font-size: 12.0pt">当</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman","serif" mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt">74LS148</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Times New Roman; mso-bidi-font-size: 12.0pt">的输入端按顺序输入</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman","serif" mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt">11011101</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Times New Roman; mso-bidi-font-size: 12.0pt">时，输出为（</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: "Times New Roman","serif" mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-bidi-font-size: 12.0pt"><span style="mso-spacerun: yes"> </span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: Times New Roman; mso-bidi-font-size: 12.0pt">）。</span> B A 101B 010C 001D 1104 <p>十进制数78所对应的二进制数和十六进制数分别为（）。</p> B A <strong><span style="FONT-FAMILY: Times New Roman; COLOR: black; FONT-SIZE: 10.5pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">1100001</span></strong><span style="FONT-FAMILY: Times New Roman; COLOR: black; FONT-SIZE: 10.5pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">B</span><span style="FONT-FAMILY: 宋体; COLOR: black; FONT-SIZE: 10.5pt; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-l
