[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-hvInLzI973BoGuiNJGzpekBT0n1Iw9yIoHzh4JkLzg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-03-21 11:45:10",134936067,[8,9,10,11],"BPSK","QPSK","BFSK","4B5B",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},58,"b06ee951430da31c62ee0578628fb10e","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffb4e0e6a5574c0a2bea5a3691ff957f7.jpg","网络工程师认证","work_33354030","2019年上半年上午题","设信号的波特率为1000Baud,信道支持的最大数据速率为2000b\u002Fs,则信道采用的调制技术为(11)",[21,32,41,50,59,68,77,86,95,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],134936056,[25,26,27,28],"CPU的控制器","CPU的运算器","DMA控制器","Cache控制器","计算机执行指令的过程中,需要由(1)产生每条指令的操作信号并将信号送往相应的部件进行处理,已完成指定的操作","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],134936058,[36,37,38,39],"CPU与主存","CPU与外设","主存与外设","外设与外设","DMA控制方式是在(2)之间直接建立数据通路进行数据的交换处理",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],134936060,[45,46,47,48],"水平奇偶","垂直奇偶","海明码","循环冗余","在(3)校验方法中,采用模2运算来构造校验位",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],134936061,[54,55,56,57],"指令长度固定、指令种类尽量少","指令功能强大、寻址方式复杂多样","增加寄存器数目以减少访存次数","用硬布线电路实现指令解码,快速完成指令译码","以下关于RISC(精简指令系统计算机)技术的叙述中,错误的是(4)",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],134936063,[63,64,65,66],"100","90","50","45","10个成员组成的开发小组,若任意两人之间都有沟通路径,则一共有(7)条沟通路径",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],134936064,[72,73,74,75],"1200","2400","4096","9600","某文件系统采用位示图(bitmap)记录磁盘的使用情况.若计算机系统的字长为64位,磁盘的容量为1024G,物理块大小为4MB,那么位示图的大小需要(8)个字",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],134936065,[81,82,83,84],"MyDrivers\\user2\\和\\user2\\","\\MyDrivers\\user2\\和\\user2\\","\\MyDrivers\\user2\\和user2\\","MyDrivers\\user2\\和user2\\","某文件系统的目录结构如下图所示,假设用户要访问文件book2.doc,且当前工作目录为MyDrivers,则该文件的绝对路径和相对路径分别为(9). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2cb0a1fc01efadde53f4f87be997ac70.png\">",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],134936066,[90,91,92,93],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa5a251fe4556f1326ce1ab2b446b9957.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F609f837b13aab31799f6e90c4ea78a38.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1e7ad512e85e6e2251ebf56edf80d95f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F604560e5dd2999f7a2cba099118cebab.png\">","下图所示为一个不确定有限自动机(NFA)的状态转换图,与该NFA等价的DFA是(10). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe8e683ac10ddd237bc30221e3411ac93.png\">",{"answer":96,"createTime":5,"id":6,"options":97,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],134936068,[102,103,104,105],"8MHz","10MHz","20MHz","32MHz","假设模拟信号的频率为10-16MHz,采样频率必须大于(12)时,才能使得到的样本信号不失真"]