下列可以用来制作U盘启动盘的软件是( )。 A: U启动 B: 磁盘启动器 C: u disk D: 虚拟机

Pointout that which disk is removable one: A: hard-disk cartridge B: hard-disk packs C: floppy disk D: internal hard disk

When analyzing disk I/O performance， which of the following metrics and/or statistics should be included in the study？（） A:  Disk size， stock availability， VHDCI B:  Disk size， distance， temperature， and compatibility C:  Disk fragmentation， MTBF， and maintenance D:  Disk configuration， throughput， transactions， queues， and latencies

如果磁盘损坏，关闭电源。 A: If the disk breaks, stop the supply. B: If the disk bursts, switch off the supply. C: If the disk shears, stop the supply.

Disk brake is comprised of a brake disk, brake pads and a brake caliper (see Fig.5-3).

‎目前市售的USB FLASH DISK（俗称U盘）是一种（）‍ A: 输出设备 B: 输入设备 C: 存储设备 D: 显示设备

一台计算机从硬盘启动时，屏幕显示 “Non system disk or disk error” ，原因是()

Ways to transmit viruses are through ( ) A: hard disk B: floppy disk C: E-mail D: Web

A hard disk with ___________ space

________ is comprised of a brake disk, brake pads and a brake caliper. A: Emergency brake B: Disk brake C: Drum brake