【单选题】【消耗次数：1】
在下图所示电路中，电路______的输出不为高电平。
①
<imgwidth="100"height="45"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj056501.png">
②
<imgwidth="123"height="45"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj056504.png">
③
<imgwidth="112"height="48"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj056507.png">
④
<imgwidth="124"height="59"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj056510.png">
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根据等效关系的传递性，若有状态<imgwidth="24"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj056978.png">和<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057002.png">等效，又有状态<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057032.png">和<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057056.png">等效，则状态<imgwidth="24"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057085.png">和<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057109.png">也等效。正确的写法是：______。
①
(<imgwidth="24"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057153.png">,<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057177.png">),(<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057203.png">,<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057227.png">)-à(<imgwidth="50"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057254.png">)
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(<imgwidth="50"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057281.png">),(<imgwidth="54"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057307.png">)-à(<imgwidth="50"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057334.png">)
③
(<imgwidth="24"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057361.png">,<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057385.png">),(<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057411.png">,<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057435.png">)-à(<imgwidth="24"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057462.png">,<imgwidth="25"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057486.png">)
④
(<imgwidth="50"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057513.png">),(<imgwidth="54"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057539.png">)-à(<imgwidth="54"height="34"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj057566.png">)
【单选题】
n变量的逻辑函数，<imgwidth="25"height="30"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj051919.png">为最小项，则有<imgwidth="52"height="60"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj051949.png">=______。
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0
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1
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m
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n
【单选题】
逻辑项<imgwidth="57"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013770.png">的相邻项是______。
①
<imgwidth="63"height="30"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013785.png">
②
<imgwidth="63"height="23"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013788.png">
③
<imgwidth="67"height="27"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013791.png">
④
<imgwidth="64"height="30"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013794.png">
【单选题】
逻辑项<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj04.files/szlj043806.png">的相邻项是______。
①
<imgwidth="62"height="24"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj04.files/szlj043847.png">
②
<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj04.files/szlj043876.png">
③
<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj04.files/szlj043905.png">
④
<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj04.files/szlj043934.png">
【单选题】
逻辑项<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj103931.png">的相邻项是______。
①
<imgwidth="63"height="23"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj103947.png">
②
<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj103975.png">
③
<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj104004.png">
④
<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj10.files/szlj104033.png">
【单选题】
下列电路中，实现逻辑功能<imgwidth="70"height="30"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026736.png">的是______。
①
<imgwidth="289"height="155"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026749.png">
②
<imgwidth="287"height="155"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026752.png">
③
<imgwidth="304"height="134"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026755.png">
④
<imgwidth="282"height="135"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026758.png">
【多选题】
逻辑项AB<imgwidth="35"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj113155.png">的相邻项有______。
①
ABCD
②
<imgwidth="60"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj113198.png">
③
AB<imgwidth="37"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj113225.png">
④
<imgwidth="62"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj11.files/szlj113250.png">
【单选题】
下列逻辑函数中，与<imgwidth="47"height="19"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026247.png">相等的是______。
①
<imgwidth="77"height="27"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026262.png">
②
<imgwidth="87"height="24"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026265.png">
③
<imgwidth="68"height="27"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026268.png">
④
<imgwidth="79"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj02.files/szlj026271.png">
【单选题】
根据给定的真值表判断F表示的门电路为：______。<imgwidth="184"height="122"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj05.files/szlj054901.png">
①
与门
②
或门
③
与非门
④
或非门
【单选题】
描述逻辑电路的真值表见表所示，则其逻辑表达式F=______。<imgwidth="595"height="147"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013324.png">
①
<imgwidth="89"height="33"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013327.png">
②
<imgwidth="79"height="37"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013330.png">
③
<imgwidth="52"height="27"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013333.png">
④
<imgwidth="58"height="29"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj01.files/szlj013336.png">
【单选题】
IB______不能保证该电路正常工作。<imgwidth="235"height="168"src="http://wljy.whut.edu.cn:80/uploadfiles/word/szlj03.files/szlj034750.png">
①
IA=0，IB=0
②
IA=0，IB=1
③
IA=1，IB=0
④
IA=1，IB=1
随机题目
【多选题】
下列各式中 , 其计算结果等于贡献毛益率的有？
①
单位贡献毛益 / 单价
②
1- 变动成本率
③
贡献毛益 / 销售收入
④
固定成本/保本销售量
⑤
固定成本 / 保本销售额
【多选题】
某产品单价为 8元,固定成本总额为2000元,单位变动成本5元,计划产销量600件,要实现 400 元的利润 , 可分别采取的措施有？
①
减少固定成本600元
②
提高单价1元
③
提高产销量200件
④
降低单位变动成本1元
⑤
提高单价0.5元
【单选题】
已知上年利润为100000元,下年的经营杠杆系数为1.33,销售量变动率为10%, 则下年的利润变动率为?
①
10.33%
②
11.33%
③
12%
④
13.3%