[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8CCAWmg7gM8dvCm3ktnWzETZJVKbWg6OdHg_lZkb_iU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-02-02 12:23:54",318294159,[8,9,10,11],"红外线","无线电","微波","蓝牙",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","在( )无线传输系统中,发射装置与接收装置之间必须存在一条直接的视线,这样就限制了它们可以传输的距离,所以一般需要在传输路径上设置若干个中继站",[18,29,38,47,56,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],318294155,[22,23,24,25],"智能手机的运行不需要操作系统","在操作系统的管理下,一个完整的程序在运行过程中可以被部分存放在内存中","多任务、多进程的程序设计专用于多核心或多个CPU架构的计算机系统","为了方便上层应用程序的开发,操作系统都是免费开源的","下面说法中最接近正确概念的描述是( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],318294156,[33,34,35,36],"系统设计阶段","系统实施阶段","系统规划阶段","系统分析阶段","结构化开发方法的()阶段根据用户的系统开发请求,进行初步调查,明确问题,确定系统目标和总体结构,确定分阶段实施进度,然后进行可行性研究",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],318294157,[42,43,44,45],"20Hz~20kHz","30kHz~40kHz","20kHz~30kHz","10kHz~20kHz","人耳能识别的声音频率范围大约在( ),通常称为音频(Audio)信号",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],318294158,[51,52,53,54],"沃尔夫奖","菲尔兹奖","诺贝尔奖","图灵奖","在下面各世界顶级的奖项中,为计算机科学与技术领域做出杰出贡献的科学家设立的奖项是( )",{"answer":57,"createTime":5,"id":6,"options":58,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],318294160,[63,64,65,66],"总线型","环型","星型","网状型","图中网络结构属于( )拓扑结构. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F36d3406a69586002c77a1493fd58f890.png\">",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],318294161,[72,73,74,75],"及时修补系统和应用软件安全漏洞","查看安全证书","核对网站域名","查验"可信网站"","关于钓鱼网站的防范,以下说法错误的是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],318294162,[81,82,83,84],"超级计算机","服务器","个人计算机","大型计算机",""天河二号"属于( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],318294163,[90,91,92,93],"载体可靠性","载体通用性","载体可控制","载体依附性","红绿灯本身不是信息,它包含了车辆能否通行的信息,说明信息具有()的特征",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],318294164,[99,100,101,102],"音频信号的频率范围约为300赫兹到3千赫","话音信号的频率范围约为300赫兹到3千赫","在相同量化位数下,采样频率越高,信息存储量越大","在相同采样频率下,量化位数越高,音频质量越好","下面叙述中错误的是( )"]