在Windows XP中，为提高计算机访问硬盘的速度，可定期进行（ ）

【名词&注释】

技术进步(technical progress)、服务质量(qos)、利用率(utilization ratio)、网络设备(network equipment)、磁盘碎片整理、内存容量(internal storage capacity)、重新排列(realign)、幻灯片放映(run slides)、幻灯片播放、磁盘清理

[单选题]在Windows XP中，为提高计算机访问硬盘的速度，可定期进行（ ）。

A. 磁盘碎片整理
B. 磁盘清理
C. 磁盘扫描
D. 磁盘压缩

查看答案&解析查看所有试题

学习资料：

[单选题]●在PowerPoint 2000中，不能对个别幻灯片内容编辑修改的视图方式是 (24) 。(24)

A. 大纲视图
B. 幻灯片浏览视图
C. 幻灯片视图
D. 以上3项均不能

[单选题]The usual way to ensure reliable delivery is to provide the (71) with some feedback about what is happening at the other end of the line. Typically, the protocol calls for the receiver to send back special (72) flame bearing positive or negative (73) about the incoming frames. If the sender receives a positive acknowledgement about a frame, it knows the frame. has arrived safely. On the other hand, a negative acknowledgement means that' something has gone wrong, and the frame. must be transmitted again.An additional complication comes from the possibility that hardware troubles may cause a flame to (74) completely. In this case, the receiver will not react at all, since it has no any reason to react. It should be clear that a protocol in which the sender transmits a frame. and then waits for an acknowledgement, positive or negative, will hang forever if a frame. is ever lost due to, for example, (75) hardware.

A. receiver
B. controller
C. sender
D. customer

[单选题]以下选项中，不常见的内存容量是(1)。

A. 128MB
B. 512MB
C. 1.5GB
D. 2GB

[单选题]下列选项中，(57)不属于网络管理的目标。

A. 提高网络设备的利用率
B. 提高网络性能、安全性能、服务质量
C. 鼓励用户上网、推动软件技术进步
D. 预测网络的使用趋势

[单选题]In C language，the increment and decrement operator can only be applied to(56)，so an expression like x＝(a+b)--is illegal.

A. integers
B. Strings
C. variables
D. pointers

本文链接：https://www.51ksbd.net/show/qglexq.html