东大数字电子技术基础X20秋学期《数字电子技术基础Ⅰ》在线平时作业1百分
数字电子技术基础X20秋学期《数字电子技术基础Ⅰ》在线平时作业11.[单选题] 欲使JK触发器按Qn+1=Qn工作，可使JK触发器的输入端不正确的是( )。
答案资料下载请参考帮助中心说明
A.J=K=0
B.<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">J=Q，<div><img height="20" width="55" alt="" src="http://file.open.com.cn/ItemDB/98839/131d1d9a-91e6-4777-8b8d-fcb9c888ca66/201192420431998.jpg" /></div></span>
C.<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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体"><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"> <div><img height="30" width="45" alt="" src="http://file.open.com.cn/ItemDB/98839/131d1d9a-91e6-4777-8b8d-fcb9c888ca66/20119242059233.jpg" /></div></v:shapetype></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">K=Q</span>
D.<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">J=0</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体"><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"> <div><img height="20" width="55" alt="" src="http://file.open.com.cn/ItemDB/98839/131d1d9a-91e6-4777-8b8d-fcb9c888ca66/201192420444326.jpg" /></div></v:shapetype></span>
答:——C——
2.[单选题] 半导体E2PROM，写入的内容，可以通过_____擦除。（ ）
A.紫外线照射
B.电信号
C.口令
D.DOS命令
答:——A——
3.[单选题] 如下CMOS电路能正常工作的电路是()
A.<p><img height="68" width="99" alt="" src="http://file.open.com.cn/ItemDB/98839/4536f810-c62f-4d89-b1bf-23bfd3103e01/2011923134142142.jpg" /></p>
B.<img height="90" width="87" alt="" src="http://file.open.com.cn/ItemDB/98839/4536f810-c62f-4d89-b1bf-23bfd3103e01/2011923134121516.jpg" />
C.<img height="109" width="85" alt="" src="http://file.open.com.cn/ItemDB/98839/4536f810-c62f-4d89-b1bf-23bfd3103e01/2011923134025874.jpg" />
D.<img height="105" width="84" alt="" src="http://file.open.com.cn/ItemDB/98839/4536f810-c62f-4d89-b1bf-23bfd3103e01/201192313410875.jpg" />
答:——C——
4.[单选题] 用二进制码表示指定离散电平的过程称为（ ）
A.采样
B.量化
C.保持
D.编码
答:————
5.[单选题] 将幅值上、时间上离散的阶梯电平统一归并到最邻近的指定电平的过程称为（ ）
A.采样
B.量化
C.保持
D.编码
答:————
6.[单选题] 半导体E2PROM，写入的内容，可以通过_____擦除。（ ）
A.紫外线照射
B.电信号
C.口令
D.DOS命令
答:————
7.[单选题] 下列逻辑等式中不成立的是（）
A.<img height="41" width="99" alt="" src="http://file.open.com.cn/ItemDB/98839/4a10e4a6-3f4a-47f0-a5f4-12397a71b429/2011923105048157.jpg">
B.<img height="32" width="108" alt="" src="http://file.open.com.cn/ItemDB/98839/4a10e4a6-3f4a-47f0-a5f4-12397a71b429/201192310510955.jpg">
C.<img height="33" width="134" alt="" src="http://file.open.com.cn/ItemDB/98839/4a10e4a6-3f4a-47f0-a5f4-12397a71b429/2011923105111283.jpg">
D.A+AB=A
答:————
8.[单选题]下列逻辑等式中不成立的有（）。
A. A + BC = A( + B )( A + C )
B.<p><img height="32" width="100" alt="" src="http://file.open.com.cn/ItemDB/98839/339d25aa-6a9e-4aef-887a-c08c8e4bc7b3/2011923104647728.jpg" /></p>
C.<p><img height="25" width="72" alt="" src="http://file.open.com.cn/ItemDB/98839/339d25aa-6a9e-4aef-887a-c08c8e4bc7b3/2011923104749542.jpg" /></p>
D.<img height="30" width="106" alt="" src="http://file.open.com.cn/ItemDB/98839/339d25aa-6a9e-4aef-887a-c08c8e4bc7b3/2011923104528257.jpg" />
答:————
9.[单选题] <!--StartFragment --><div><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体">与逻辑式<img height="27" width="71" alt="" src="http://file.open.com.cn/ItemDB/98839/8da5f0ac-b593-48ae-a608-7b7b9df95111/2011924193148194.jpg" />相等的式子是（）。</span></div>
A.ABC
B.1+BC
C.A
D.<div><img height="25" width="64" alt="" src="http://file.open.com.cn/ItemDB/98839/8da5f0ac-b593-48ae-a608-7b7b9df95111/2011924193238195.jpg" /></div>
答:————
10.[单选题] <p><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">如图</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">3</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">所示<img height="92" width="297" alt="" src="http://file.open.com.cn/ItemDB/98839/eb319653-138f-4e4a-bc7e-ab81ca663b9c/2011924194154284.jpg" /></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"> </span></p>
A.<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 18pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-char-indent-count: 1.5" align="left"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">F=<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"> <img height="25" alt="" width="16" src="http://file.open.com.cn/ItemDB/98839/eb319653-138f-4e4a-bc7e-ab81ca663b9c/201192313144328.jpg" /></v:shapetype></font><font face="Times New Roman">B<o:p></o:p></font></span></p>
B.<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">F=A<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"> <img height="23" alt="" width="21" src="http://file.open.com.cn/ItemDB/98839/eb319653-138f-4e4a-bc7e-ab81ca663b9c/2011923131511997.jpg" /></v:shapetype></span>
C.F=AB
D.<p><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">F=<img height="22" alt="" width="34" src="http://file.open.com.cn/ItemDB/98839/eb319653-138f-4e4a-bc7e-ab81ca663b9c/2011923131035113.jpg" /></span></p>
答:————
11.[单选题] 对于EPROM而言，只有____信号同时有效时才能输出所需要的数据。
A.OE、CE
B.CE、WE
C.OE、WE
D.OE、RD
答:————
12.[单选题] 施密特触发器的输出信号和输入信号的关系为（ ）
A.逻辑非关系
B.不是逻辑非关系
C.是复杂的逻辑关系
D.以上均不对
答:————
13.[单选题] 半导体二极管截止时，外加电压uD为()
答:————
14.[单选题] <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align="left"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">图示电路完成的逻辑功能是</span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">(<span style="mso-spacerun: yes"> </span>)<o:p></o:p></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; TEXT-ALIGN: left; mso-layout-grid-align: none; mso-char-indent-count: 2.0" align="left"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">(</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">设该电路是</span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">CMOS</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">电路</span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">) </font></span></p><div><img height="101" width="110" alt="" src="http://file.open.com.cn/ItemDB/98839/182658b8-2c29-48d4-8a7b-deb4d721eb58/2011924194558242.jpg" /></div>
A.0
B.1
C.<div><img height="20" width="41" alt="" src="http://file.open.com.cn/ItemDB/98839/182658b8-2c29-48d4-8a7b-deb4d721eb58/2011924194657853.jpg" /></div>
D.<p><img height="25" width="25" alt="" src="http://file.open.com.cn/ItemDB/98839/182658b8-2c29-48d4-8a7b-deb4d721eb58/2011924194727228.jpg" /></p>
答:————
15.[单选题] N个触发器可以构成最大计数长度（进制数）为（）的计数器。
A.N
B.2N
C.N2
D.2N
答:————
16.[单选题] 把一个五进制计数器与一个四进制计数器串联可得到（）进制计数器
A.4
B.5
C.9
D.20
答:————
17.[单选题] <span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; 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-language: AR-SA">已知<img height="29" width="90" alt="" src="http://file.open.com.cn/ItemDB/98839/cdfc49a2-d178-496e-9381-6bebcb8c8ac8/20119231111956.jpg" /><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; 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-language: AR-SA">下列组合中，（）可以肯定使</span><em><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 'Times New Roman','serif'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">F</span></em><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 'Times New Roman','serif'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">=<strong>0</strong></span><span style="FONT-SIZE: 10.5pt; COLOR: black; FONT-FAMILY: 宋体; 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-language: AR-SA">。</span></span>
A.A = 0 , BC = 1
B.B = 1，C = 1
C.C = 1，D = 0
D.BC = 1，D = 1
答:————
18.[单选题] 欲设计0，1，2，3，4，5，6，7这几个数的计数器，如果设计合理，采用同步二进制计数器，最少应使用 （）级触发器
A.2
B.3
C.4
D.8
答:————
19.[单选题] 只读存储器的类型不包括（ ）
A.ROM
B..DROM qw：761296021更多答案进ap5u.com
C.EPROM
D.E2PROM
答:————
20.[单选题] <p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">测得某逻辑门输入</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">A</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">、</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">B</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">和输出</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">F</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">的波形如图</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">4</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">所示，则</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">F</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">（</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">A</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">，</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体">B</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">）的表达式为（</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-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体"><span style="mso-spacerun: yes"></span></span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">）</span></p><p align="left"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt"></span></p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt"><div><img height="84" width="197" alt="" src="http://file.open.com.cn/ItemDB/98839/6e5cc844-4daf-4d7f-be70-7c196392e8ec/2011924195058904.jpg"></div></span>
A.F=AB
B.<div><img height="24" width="58" alt="" src="http://file.open.com.cn/ItemDB/98839/6e5cc844-4daf-4d7f-be70-7c196392e8ec/2011924195144124.jpg"></div>
C.<div><img alt="" src="http://file.open.com.cn/ItemDB/98839/6e5cc844-4daf-4d7f-be70-7c196392e8ec/201192419526765.jpg"></div>
D.F=A⊕B
答:————
21.[判断题] RS触发器的约束条件RS=0表示不允许出现R=S=1的输入。
A.错误
B.正确
答:————
22.[判断题] A/D转换过程中，必然会出现量化误差。
A.错误
B.正确
答:————
23.[判断题] 对边沿JK触发器，在CP为高电平期间，当J=K=1时，状态会翻转一次。
A.错误
B.正确
答:————
24.[判断题] D触发器的特征方程Qn+1=D，而与Qn无关，所以，D触发器不是时序电路。
A.错误
B.正确
答:————
25.[判断题] D/A转换器的位数越多，能够分辨的最小输出电压变化量就越小
A.错误
B.正确
答:————
东北大学答案是附件，核对题目下载
页:
[1]