[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fFUbllOJEOO_6hmQlCqaMlVF50Hf8SpIc1vwvWsorqnE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-05-30 21:59:34",147438736,[8,9,10,11],"10","16","2","8",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"daac70ce18040b67dae2e49736af5436","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4818218babc134324df7b6b78c4cf3c0.jpg","逻辑代数与数字电路","exam_119831771","23级半期考试","一个二进译码器有4bit译码输入,则该译码器最多可以对( )路数据进行译码",[21,26,35,44,52,61,70,79,88,97],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],147438738,[30,31,32,33],"Z=((R'A'G')'·(RA)'·(RG)'·(AG)')'","Z=(RA'G)'·(RA)'·(RG)'·(AG)'","Z=((RA'G)'·(R'A)'·(RG)'·(AG)')'","Z=((RA'G)'·(RA)'·(RG)'·(AG)')'","试写出下面电路图的逻辑表达式( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb280c4dedd957557d909051ab8c094b2.png\">",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],147438740,[39,40,41,42],"两位8选1数据选择器","8选2数据选择器","16选1数据选择器","16选2数据选择器","用两片8选1数据选择器74HC151级联如下图所示,该电路可实现的功能是 ( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8b85fee14d8a7980d9c9d7f269f6b188.png\">",{"answer":45,"createTime":5,"id":46,"options":47,"question":51,"source":24,"type":25},[],147438742,[48,49,10,50],"4","5","3","一个三人表决电路中,三人分别用A、B、C表示,同意时为1否则为0,当三人多数通过时输出F为1否则为0.74HC138为3线-8线译码器,输出低电平有效,用此器件设计的三人表决电路如图所示,则电路中共有( )处错误. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5f77b8264b33d40243e0fe04422e9061.png\">",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":24,"type":25},[],147438744,[56,57,58,59],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fef607527349a67d0e10722fc283c8251.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb67a5f33c2ad85af42aa4584a215ae31.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb71cf5a7af92bb96456bf25227ea0ee3.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa06666e988029e53c1a2ca09819ee987.png\">","用8选1数据选择器74HC151实现逻辑函数表达式\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb9a874d5100b2749636b2cd033a190ed.png\">,数据输入端应为( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9723b89fc8e76db88a14058ba66a8f1d.png\">",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":24,"type":25},[],147438746,[65,66,67,68],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F62a312d9b5fdbd2b04d24427a5cecd93.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0cdf4cf9a6f57cd08f91428d7fd5ec37.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F097b451003e6b16b1526ec5428566317.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F14a16a37a110ce508b6f44ec4f9bb01f.png\">","某雷达站有三部雷达A、B、C,其中A和B功耗相同,C的功率是A的两倍,这些雷达由两台发电机X和Y供电,发电机X的最大输出功率等于雷达A的功率消耗,发电机Y的最大输出功率是X的3倍,试设计一个逻辑电路,能够根据雷达的启动和关闭信号,以节约电能的方式启、停发电机.下列表达式中( )能够体现发电机Y工作状态",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":24,"type":25},[],147438747,[74,75,76,77],"001","010","100","110","四位数值比较器74HC85输出高电平有效,当输入A=0101,B=1001时,输出端 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03c12b2639f4ba0e9c282eeb5cfedb6b.png\"> 的输出状态是什么",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":24,"type":25},[],147438748,[83,84,85,86],"Y=∑m(2 ,5 ,6 ,7)","Y=∑m(0 ,1 ,3 ,4)","Y=∑m(0 ,1 ,2 ,3)","Y=∑m(0 ,1 ,2,7)","逻辑函数Y = AC + BC' 的最小项和的形式是( )",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":24,"type":25},[],147438749,[92,93,94,95],"0100","1000","1001","0011","当七段显示译码器的七个输出端状态为abcdefg=1111001时(高电平有效),译码器输入状态(8421BCD码)应为( )",{"answer":98,"createTime":5,"id":99,"options":100,"question":103,"source":24,"type":25},[],147438750,[101,11,102,48],"6","7","逻辑函数F=AB+CD的真值表中,F=1的状态有( )个"]