武汉理工大20秋数字逻辑_作业一百分
数字逻辑_作业一1.[多选题] 两输入与非门输出为0时,输入应满足______。
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A.两个同时为1
B.两个同时为0
C.两个互为相反
D.两个中至少有一个为0
答:——A——
2.[多选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">逻辑项AB</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="35" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj113155.png"></span>的相邻项有______。<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
A.ABCD
B.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="60" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj113198.png"></span> <o:p></o:p></p>
C.<p class="MsoNormal" style="display:inline;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">AB</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="37" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj113225.png"></span> <o:p></o:p></p>
D.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="62" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj113250.png"></span> <o:p></o:p></p>
答:——AC——
3.[多选题] 在下图所示电路中,电路______的输出为高电平。
A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="105" height="47" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj112078.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
B.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="124" height="44" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj112081.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="107" height="42" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj112084.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
D.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="127" height="54" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj112087.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
答:——ABD——
4.[判断题] 米里型电路状态表的读法是,处于状态y的同步时序电路,输出为Z;当输入为x时,在时钟脉冲作用下,电路进入次态 。( )
A.正确
B.错误
答:————
5.[判断题] 用基本门电路构成的逻辑电路就是组合逻辑电路。
A.正确
B.错误
答:————
6.[判断题] 若逻辑变量x和y满足xy=x+y,则x=y。( )
A.正确
B.错误
答:————
7.[单选题] 构成时序逻辑电路的基本单元最______。
A.编码器
B.数据选择器
C.数值比较器
D.触发器
答:————
8.[单选题] 在情况______下,与非门的输出结果是逻辑0。
A.输入全部为0
B.输入至少有一个0
C.输入仅有一个0
D.输入全部为1
答:————
9.[单选题] 异或门在两输入信号都为逻辑1电平时,其输出为逻辑______电平。
A.0电平
B.1电平
C.不固定
D.没有输出
答:————
10.[单选题] 下列触发器中,没有约束条件的是______。
A.基本RS触发器
B.边沿D触发器
C.同步RS触发器
D.主从RS触发器
答:————
11.[单选题] 在情况______下,与非门的输出结果是逻辑0。
A.输入全部为0
B.输入至少有一个0
C.输入仅有一个0
D.输入全部为1
答:————
12.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">逻辑函数F(A,B,C)=</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="39" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj03946.png"></span>m(1,2,3,4,7)可以表示成______。<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
A.<p class="MsoNormal" style="display:inline;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">F=</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="42" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj03997.png"></span>M(0,5,6)<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
B.<p class="MsoNormal" style="display:inline;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">F=A</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="22" height="24" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj031033.png"></span>B<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="22" height="24" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj031057.png"></span>C<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
C.<p class="MsoNormal" style="display:inline;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">F=A</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="22" height="24" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj031086.png"></span>B<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="22" height="24" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj031110.png"></span>C+<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="20" height="27" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj031135.png"></span>B<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
D.<p class="MsoNormal" style="display:inline;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">F=A</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="22" height="24" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj031164.png"></span>B<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="22" height="24" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj031188.png"></span>C+BC<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
答:————
13.[单选题] 下列触发器中______具有约束条件。
A.RS触发器
B.D触发器
C.JK触发器
D.T触发器
答:————
14.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">当图所示的虚线框内为______时,可以实现D触发器转换为T触发器。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="210" height="120" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj04.files/szlj044402.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
A.异或门
B.同或门
C.或非门
D.与非门
答:————
15.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">下列电路中,实现逻辑功能</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="70" height="30" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026736.png"></span>的是______。<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="289" height="155" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026749.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
B.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="287" height="155" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026752.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="304" height="134" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026755.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
D.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="282" height="135" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026758.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
答:————
16.[单选题] 数字系统中,采用______可以将减法运算转化为加法运算。
A.原码
B.补码
C.Gray码
D.反码
答:————
17.[单选题] 下列逻辑功能器件中______是译码器。
A.74LS00
B.74LS48
C.74LS138
D.74LS151
答:————
18.[单选题] <p class="MsoNormal" style="margin-left:21.0000pt;text-indent:-21.0000pt;mso-char-indent-count:-2.0000;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">描述逻辑电路的真值表见表所示,则其逻辑表达式F=______。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="margin-left:21.0000pt;text-indent:-21.0000pt;mso-char-indent-count:-2.0000;text-align:center;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="590" height="138" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj023817.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="85" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj023820.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
B.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="89" height="33" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj023823.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="53" height="28" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj023826.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
D.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="64" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj023829.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
答:————
19.[单选题] 三种最基本的逻辑门属于简单门电路,它们是______。
A.“与”门、“或”门、“与非”门
B.“与”门、“或”门、“非”门
C.“与”门、“或非”门、“与非”门
D.“与”门、“异或”门、“非”门
答:————
20.[单选题] <p class="17"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">描述逻辑电路的真值表见表所示,则其逻辑表达式F=______。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="17" align="center" style="text-align:center;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="595" height="147" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013324.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
A.<p class="17"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="89" height="33" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013327.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
B.<p class="17"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="79" height="37" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013330.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
C.<p class="17"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="52" height="27" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013333.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
D.<p class="17"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="58" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013336.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
答:————
21.[单选题] 已知奇校验位P的值是1,下列的ASCII码哪个符合条件:______。
A.P1010100
B.P1000010
C.P0100000
D.P0110001
答:————
22.[单选题] <p class="MsoNormal" style="margin-left:21.0000pt;text-indent:-21.0000pt;mso-char-indent-count:-2.0000;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">在下图所示的三态门电路中,使能控制端 I</span><sub><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;vertical-align:sub;">A</span></sub><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">、I</span><sub><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;vertical-align:sub;">B</span></sub><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">______不能保证该电路正常工作。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="margin-left:21.0000pt;text-indent:-21.0000pt;mso-char-indent-count:-2.0000;text-align:center;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="235" height="168" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj034750.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
A.IA=0,IB=0
B.IA=0,IB=1
C.IA=1,IB=0
D.IA=1,IB=1
答:————
23.[单选题] 七位无符号二进制数能表示的最大十进制数为______。
A.127
B.128
C.64
D.255
答:————
24.[单选题] 某4变量卡诺图中有9个“0”方格7个“1”方格,则相应的标准与或表达式中共有多少个与项______?
A.9
B.7
C.16
D.不能确定
答:————
25.[单选题] 下列电路中,属于时序逻辑电路的是______。
A.编码器
B.半加器
C.寄存器
D.译码器
答:————
26.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">根据等效关系的传递性,若有状态</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="24" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj056978.png"></span>和<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057002.png"></span>等效,又有状态<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057032.png"></span>和<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057056.png"></span>等效,则状态<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="24" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057085.png"></span>和<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057109.png"></span>也等效。正确的写法是:______。<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">(</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="24" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057153.png"></span>,<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057177.png"></span>),(<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057203.png"></span>,<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057227.png"></span>)-<span style="font-family:Wingdings;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">à</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">(</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="50" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057254.png"></span>)<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
B.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">(</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="50" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057281.png"></span>),(<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="54" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057307.png"></span>)-<span style="font-family:Wingdings;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">à</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">(</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="50" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057334.png"></span>)<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">(</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="24" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057361.png"></span>,<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057385.png"></span>),(<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057411.png"></span>,<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057435.png"></span>)-<span style="font-family:Wingdings;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">à</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">(</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="24" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057462.png"></span>,<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="25" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057486.png"></span>)<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
D.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">(</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="50" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057513.png"></span>),(<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="54" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057539.png"></span>)-<span style="font-family:Wingdings;mso-ascii-font-family:Microsoft Yahei;mso-hansi-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">à</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">(</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="54" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057566.png"></span>) <span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
答:————
27.[单选题] 构成时序逻辑电路的基本单元最______。
A.编码器
B.数据选择器
C.数值比较器
D.触发器
答:————
28.[单选题] <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">逻辑项</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="62" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj024289.png"></span>的相邻项是______。<span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="67" height="28" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj024305.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
B.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="68" height="30" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj024308.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="75" height="35" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj024311.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
D.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="69" height="35" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj024314.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
答:————
29.[单选题] <p class="17"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">逻辑项</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="57" height="29" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013770.png"></span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">的相邻项是______。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>
A.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="63" height="30" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013785.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
B.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="63" height="23" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013788.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
C.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="67" height="27" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013791.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
D.<p class="MsoNormal" style="display:inline;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="64" height="30" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013794.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
答:————
30.[单选题] 下列逻辑功能器件中______是译码器。
A.74LS00
B.74LS48
C.74LS138
D.74LS151
答:————
31.[单选题] 下列触发器中______具有约束条件。
A.RS触发器
B.D触发器
C.JK触发器
D.T触发器
答:————
32.[单选题] 下列触发器中,没有约束条件的是______。
A.基本RS触发器
B.边沿D触发器
C.同步RS触发器
D.主从RS触发器
答:————
33.[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:————
34.[单选题] 十进制数33的余3码为______。
A.00110110
B.110110
C.01100110
D.100100
答:————
35.[单选题] <p class="MsoNormal" style="margin-left:21.0000pt;text-indent:-21.0000pt;mso-char-indent-count:-2.0000;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">描述逻辑电路的真值表见下表所示,则其逻辑表达式F=______。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p><p class="MsoNormal" align="center" style="margin-left:21.0000pt;text-indent:-21.0000pt;mso-char-indent-count:-2.0000;text-align:center;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="594" height="142" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj103354.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><o:p> </o:p></span></p>
A.<p class="16" style="text-indent:0.0000pt;mso-char-indent-count:0.0000;mso-pagination:widow-orphan;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="77" height="27" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj103382.png"></span> <o:p></o:p></p>
B.<p class="p" align="justify" style="margin-top:0.0000pt;margin-bottom:0.0000pt;text-align:justify;text-justify:inter-ideograph;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="79" height="27" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj103411.png"></span> <o:p></o:p></p>
C.<p class="p" align="justify" style="margin-top:0.0000pt;margin-bottom:0.0000pt;text-align:justify;text-justify:inter-ideograph;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="52" height="22" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj103440.png"></span> <o:p></o:p></p>
D.<p class="p" align="justify" style="margin-top:0.0000pt;margin-bottom:0.0000pt;text-align:justify;text-justify:inter-ideograph;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="52" height="27" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj103469.png"></span> <o:p></o:p></p>
答:————
36.[单选题] 二进制小数-0.0110的补码表示为______。
A.0.1010
B.1.1001
C.1.0110
D.1.1010
答:————
37.[单选题] 二进制小数-0.0110的补码表示为______。
A.0.1010
B.1.1001
C.1.0110
D.1.1010
答:————
38.[单选题] 要使与非门的输出为0,输入应满足______。
A. 全为0
B. 全为1
C. 至少一个为1
D. 至少一个为0
答:————
39.[单选题] 下列逻辑功能器件中______是译码器。 福师答案Q761296021更多答案请进 www.ap5u.com
A.74LS00
B.74LS48
C.74LS138
D.74LS151
答:————
40.[单选题] <p class="MsoNormal"> <span style="font-family:Microsoft Yahei;font-size:10.5000pt;">根据给定的真值表判断F表示的门电路为:______。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;"> </span></p><p class="MsoNormal" align="center" style="text-align:center;"> <span style="font-family:Microsoft Yahei;font-size:10.5000pt;"><img width="215" height="143" src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj04.files/szlj043328.png" /></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;"></span></p>
A. 与门
B. 或门
C. 与非门
D. 或非门
答:————
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