Disk boot failure insert system disk and pressenter是什么意思（）

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to s

[判断题] 硬盘出错信息”No boot sector on hard disk drive”表明硬盘上引导扇区丢失。A . 正确B . 错误

[判断题] 硬盘出错信息“No boot sector on hard disk drive”表明硬盘上引导扇区丢失。A . 正确B . 错误

[单选题]HARD Disk Install Failure表示哪个配件有问题（）。A . 软驱B . 硬盘C . 键盘D . 光驱

[单选题]To start the program, insertthe disk and follow the instructions.A.they cou

[单选题]若在屏幕上出现“NO System disk o rdisk error”则表示（）。A . 机器出现故障B . 未插系统盘和磁盘C . 内存检查出故障D . 某外部设备出故障

[单选题]计算机屏幕常有些提示错误信息，如“Hard disk drive failure”，其含义是（）。A .内存故障B .软盘故障C .光驱故障D .硬盘故障

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to sweepbackand forth across the disk Surface servicing all requests in its path．This is a (73) ．(73) A．First Come First ServeB．Shortest Seek Time FirstC．ScanD．None of the above

[单选题]A． disk scheduling mechanism in an operatingsystem causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is aA．First Come First ServeB．Shortest Seek Time FirstC．ScanD．None of the above

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is a （） :（）A. First Come First Serve B. Shortest Seek Tn-ne FirstC. Scan D. None of the abo