[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fcdTMpQIChpKb2apXPBvb7725lB6UrZydoaWJvvbt6JM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":23},[],"2023-06-18 17:15:55",69795323,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},40,"881f689c86011bc0cc6d822284b7c894","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7c9f2d5df803b4cb600c7ed6d57fcb77.jpg","计算机组装与维修","work_27973444","关于硬盘的作业二","硬盘的转速是指硬盘内电动机主轴的( ),也就是硬盘盘片在一分钟内所能完成的最大( ),单位为( )",[17,24,29,34,39,44,47,52,57,62],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],69795318,[],"随着硬盘容量不断扩展,使得之前定义的每个扇区512字节不再合理,于是将每个扇区( )字节改为每个扇区( )个字节,也就是现在常说的( ).随着( )成为了标准的硬盘( ),其文件系统的默认分配单元大小( )也是( )字节,为了使簇与扇区相对应,即使物理硬盘分区与计算机使用的逻辑分区对齐,保证硬盘读写效率,所以就有了( )的概念.在Windows 7及以上系统中,在安装系统时采用的( ),是自动对齐的.其默认是将硬盘扇区对齐到4扇区( )的整数倍","v1",2,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],69795319,[],"( )和( )是市场上两种主要的非易失闪存技术.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0a866414a15799cf557d18b589efdd12.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b7fa7123760c644335dcb5a0ca4c9f4.png\">",{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":22,"type":23},[],69795320,[],"硬盘容量不断扩展,之前定义的每个扇区( )字节不再是那么的合理,于是将每个扇区512字节改为每个扇区( )个字节,也就是现在常说的"4K扇区".随着( )成为了标准的硬盘文件系统,其文件系统的默认分配单元大小(簇)也是4096字节,为了使簇与扇区相对应,即使物理硬盘分区与计算机使用的逻辑分区对齐,保证硬盘读写效率,所以就有了"4K对齐"的概念.如果硬盘扇区是512字节,就要将硬盘扇区对齐成4K扇区,即512Bit×8=4096bit,只要用( )的倍数去设置都可以实现4K( )",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":22,"type":23},[],69795321,[],"现在常用的( )闪存颗粒,因为它稳定性差、寿命极短,不过随着技术的进步,使用中的寿命大大延长,即使可擦写次数只有MLC的七分之一,但依旧能满足一般用户使用( )年",{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":22,"type":23},[],69795322,[],"硬盘的数据接口主要有( )和( )两种标准",{"answer":45,"createTime":5,"id":6,"options":46,"question":15,"source":22,"type":23},[],[],{"answer":48,"createTime":5,"id":49,"options":50,"question":51,"source":22,"type":23},[],69795324,[],"( ):(Perpendicular Magnetic Recording)垂直记录技术().硬盘的盘片上用于记录数据的磁性物质,我们称之为记录单元.传统的硬盘记录方式中每个单元之间是( )的,每个记录单元的磁极方向为( )于盘片,这就是LMR(Longitudinal Magnetic Recording)水平记录技术.而垂直记录技术中每个记录单元是垂直于盘片方向的.因此垂直记录技术可以使磁盘的存储( )更大,从而提高总容量",{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":22,"type":23},[],69795325,[],"( )的全称为"瓦楞式堆叠硬盘",在购买硬盘时,消费级机械硬盘产品容量在( )以内的,缓存如果有256MB,基本可以肯定是叠瓦式硬盘.而硬盘到手之后,也可以使用一些硬盘的测试软件对其进行随机读写性能测试,一般性能相对同容量产品差得比较多的话,也应该是( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":22,"type":23},[],69795326,[],"固态硬盘的接口外观分为( )、( )和( )接口",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":22,"type":23},[],69795327,[],"( )是磁头技术,与( )相对应.LMR技术早已被PMR技术全面替代,时下在售的机械硬盘产品,大部分都是采用( )的.少部分使用了更新的( )或者( )技术"]