[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fEY58smPnLlYz0Uk2_F7qey2WDFK8hZCJZBXIKjJ8QIA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-04-25 16:46:24",140224422,[8,9,10,11],"789","789H","1929","11110001001B",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},95,"cb69c579da3dd113ec4d5f9c7cf5ae63","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1b31d94f8ebdc9de6484ae3f9135de65.jpg","计算机组成原理B","work_33870027","第6章 计算机的运算方法.xls","某数在计算机中用8421码表示为0111 1000 1001,其真值为( )",[21,32,41,50,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],140224419,[25,26,27,28],"原码","补码","移码","反码","( )表示法主要用于表示浮点数中的阶码","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],140224420,[36,37,38,39],"X1=1,X2—X4至少有一个为1","X1=1,X2—X4任意","X1=0,X2—X4至少有一个为1","X1=0,X2—X4任意","设[X]补=1.X1X2X3X4,当满足( )时,X>-1\u002F2成立",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],140224421,[45,46,47,48],"加1","减1","加2","减2","在二进制浮点数中,为保持真值不变,小数点向右移2位,阶码要( )",{"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},[],140224423,[57,58,59,60],"-127—+127","-128—+128","-128—+127","-127—+128","某机字长8位,采用补码形式,则机器数能表示的范围是( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],140224424,[66,67,68,69],"-0","-1","1","-(1-2-n)","[X]补=1.000…0,它代表的真值是( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],140224425,[75,76,77,78],"尾数的符号位与第一数位不同","尾数的第一数位为1,数符任意","尾数的符号位与第一数位相同","阶符与数符不同","在浮点机中,判断原码规格化形式的原则是( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],140224426,[84,85,86,87],"双符号位相同","两个正数相加","双符号位不同","两个负数相加","在定点补码运算器中,若采用双符号位,当( )时表示结果溢出",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],140224427,[93,94,95,96],"+(1 – 2-32)","+(1 – 2-31)","2-32","2-31","某机字长32位,其中1位符号位,31位表示尾数.若用定点小数表示,则最大正小数为( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],140224428,[102,103,104,105],"+(2 – 223)×2+127","+(1 – 223)×2+127","+(2 – 223)×2+255","2+127 + 227","IEEE754标准规定的32位浮点数中,符号位为1位,阶码为8位,则它所能表示的最大规格化正数为( )"]