[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fDyTEHvL3bGWLnpOkYu90VggziXJosc3b25F9jMBENws":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-04-14 17:48:22",340469302,[8,9,10,11],"仅用于扩展位数","仅用于设置初始比较结果","既可以扩展位数,也可以设置初始比较结果","无实际作用",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},5,"eb71c822904f33b11812ec16b7107d86","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F66f1d06f507e180dbb38a48d65920c31.jpg","数字电子技术（A）","6ec2d593829247e792824e790af5575f","数值比较器","4位数值比较器74LS85中,级联输入端I&lt;sub&gt;A&gt;B&lt;\u002Fsub&gt;、I&lt;sub&gt;A=B&lt;\u002Fsub&gt;、I&lt;sub&gt;A&lt;B&lt;\u002Fsub&gt;的作用是()",[21,32,41,50,53],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],340469299,[25,26,27,28],"A&lt;sub&gt;0&lt;\u002Fsub&gt;和B&lt;sub&gt;0&lt;\u002Fsub&gt;","A&lt;sub&gt;1&lt;\u002Fsub&gt;和B&lt;sub&gt;1&lt;\u002Fsub&gt;","同时比较所有位","随机选择一位","2位数值比较器比较A=A&lt;sub&gt;1&lt;\u002Fsub&gt;A&lt;sub&gt;0&lt;\u002Fsub&gt;和B=B&lt;sub&gt;1&lt;\u002Fsub&gt;B&lt;sub&gt;0&lt;\u002Fsub&gt;时,优先比较的位是()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],340469300,[36,37,38,39],"1,0,0","0,1,0","0,0,1","1,1,0","1位数值比较器中,若输入A=1,B=0,则输出L&lt;sub&gt;A&gt;B&lt;\u002Fsub&gt;、L&lt;sub&gt;A=B&lt;\u002Fsub&gt;、L&lt;sub&gt;A&lt;B&lt;\u002Fsub&gt;的值分别为()",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],340469301,[45,46,47,48],"I&lt;sub&gt;A&gt;B&lt;\u002Fsub&gt;、I&lt;sub&gt;A=B&lt;\u002Fsub&gt;、I&lt;sub&gt;A&lt;B&lt;\u002Fsub&gt;","A&lt;sub&gt;3&lt;\u002Fsub&gt;A&lt;sub&gt;2&lt;\u002Fsub&gt;A&lt;sub&gt;1&lt;\u002Fsub&gt;A&lt;sub&gt;0&lt;\u002Fsub&gt;","B&lt;sub&gt;3&lt;\u002Fsub&gt;B&lt;sub&gt;2&lt;\u002Fsub&gt;B&lt;sub&gt;1&lt;\u002Fsub&gt;B&lt;sub&gt;0&lt;\u002Fsub&gt;","输出端L&lt;sub&gt;A&gt;B&lt;\u002Fsub&gt;、L&lt;sub&gt;A=B&lt;\u002Fsub&gt;、L&lt;sub&gt;A&lt;B&lt;\u002Fsub&gt;","用2片74LS85扩展为8位数值比较器时,需要将低位片的输出L&lt;sub&gt;A&gt;B&lt;\u002Fsub&gt;、L&lt;sub&gt;A=B&lt;\u002Fsub&gt;、L&lt;sub&gt;A&lt;B&lt;\u002Fsub&gt;分别连接到高位片的()",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":55,"id":56,"options":57,"question":60,"source":30,"type":61},[],"2026-04-14 17:49:42",340469671,[58,59],"正确","错误","多位数值比较器中,若最高位相等,则结果由次高位决定;若次高位也相等,则继续比较更低位,直到所有位都相等时结果为A=B.()",3]