[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fVf1MOL1YWcZgz_8nr6MGh35jwrEz8abv4c8YJRVSVvs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-12-26 22:17:37",174337511,[8,9,10,11],"触发器","门电路","计数器","门电路和触发器",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},40,"ebcad053e30f827526e716ae55d47b23","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa068f2d05c1c8451babdbc2508190f92.png","数字电子技术","010c8362ad544385a4fc6d3d64894978","期末测试A","组合逻辑电路是由()构成",[21,32,41,50,53,62,71,79,88,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],174337508,[25,26,27,28],"10","11","00","01","逻辑电路如下图所示,设触发器的初态Q1Q0=11,试分析在第一个CP控制下,触发器的新态Q1Q0= . \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F45a6f1149c1452aef918e9caf7a4ab6c.png\">","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],174337509,[36,37,38,39],"译码器","加法器","数码寄存器","数据选择器","下列逻辑电路中为时序逻辑电路的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],174337510,[45,46,47,48],"输入信号的现态","输出信号的现态","输出信号的次态","输入信号的现态和输出信号的现态","组合逻辑电路的输出取决于()",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],174337512,[57,58,59,60],"已知逻辑要求,列真值表的过程","已知逻辑要求,求解逻辑表达式并画逻辑图的过程","已知逻辑要求,求解逻辑表达式并化简的过程","已知逻辑电路图,求解或验证逻辑功能的过程","组合逻辑电路的分析是指()",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],174337513,[66,67,68,69],"1","4","8","15","一个4输入端或非门,使其输出为1的输入变量组合有 种",{"answer":72,"createTime":5,"id":73,"options":74,"question":78,"source":30,"type":31},[],174337514,[75,76,25,77],"5","6","50","若在编码器中有50个编码对象,则要求输出二进制代码位数为( )位",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":30,"type":31},[],174337515,[83,84,85,86],"电源有问题","编码输入无效","选通输入端没有接地","扩展端没有接地","8线-3线优先编码器74LS148接通电源后,无论编码输入怎样变化,所有输出均被封锁在高电平,则其原因可能是:",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":30,"type":31},[],174337516,[92,93,94,95],"011","100","101","010","译码器74HC138的使能端\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe5b6f1d8b6c5f558f9fc7d7d218e8057.webp\">取值为( )时,处于允许译码状态",{"answer":98,"createTime":5,"id":99,"options":100,"question":103,"source":30,"type":31},[],174337517,[101,67,68,102],"2","16","在二进制译码器中,若输入有4位代码,则输出有( )个信号"]