[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmNgtdvyO30UHMB5FKX4Ik4fVuo6XOMYNqbJ4YJODuP8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-06-23 10:56:49",154344685,[8,9,10,11],"链接文件","只读文件","流式文件","记录式文件",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"5e01d3bd1736cce945d36d60a372c030","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F42791a516347d1c2de3b23041086f6b1.jpg","操作系统-2024","work_35806642","作业7","数据库文件的逻辑结构形式是( )",[21,33,42,51,60,63,72,81,90,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-06-22 16:25:54",154344673,[26,27,28,29],"文件安全性管理","目录管理","文件读写管理","存储空间管理","文件系统的按名存取主要是通过( )实现的","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":31,"type":32},[],154344675,[37,38,39,40],"恒定的","相同的","可相同也可不同","不相同的","文件的逻辑记录大小是( )",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],154344678,[46,47,48,49],"字节","字","数据项","物理块","记录式文件内可以独立存取的最小单位是由( )组成的",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":31,"type":32},[],154344681,[55,56,57,58],"口令","存取控制","用户权限表","读写之后使用关闭命令","在文件系统中,以下不属于文件保护的方法是()",{"answer":61,"createTime":5,"id":6,"options":62,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":31,"type":32},[],154344689,[67,68,69,70],"19200KB\u002Fs","7200KB\u002Fs","7200*160KB\u002Fs","9600KB\u002Fs","一个磁盘的转数是7200r\u002Fmin,每个磁道有160个扇区,每个扇区有512B,那么理想情况下,其数据传输速率是()",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":31,"type":32},[],154344692,[76,77,78,79],"20ms","1ms","2ms","5ms","设磁盘的转速为3000r\u002Fmin,盘面划分成10个扇区,则读取一个扇区的时间是()",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":31,"type":32},[],154344695,[85,86,87,88],"系统注册表","用户口令表","文件分配表","文件控制块","文件系统中,文件访问控制信息存储的合理位置是( )",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":31,"type":32},[],154344697,[94,95,96,97],"在系统打开的文件表中仅有一个表项包含F的属性","各进程只能用&quot;读&quot;方式打开F","进程关闭F时,系统会删除F在系统打开文件表中的表项","各进程的用户打开的文件表中关于F的表项内容相同","若多个进程共享同一个文件F,则下列叙述中正确的是()",{"answer":100,"createTime":101,"id":102,"options":103,"question":108,"source":31,"type":32},[],"2024-06-22 16:25:56",154344699,[104,105,106,107],"物理地址空间","主存空间","辅助存储空间","逻辑地址空间","文件存储空间管理实际上是对( )的管理"]