Text2作业

Text2作业

Text2作业

题量: 11 满分: 100.0

一. 单选题（共5题）

1【单选题】Insufficien_____can cause a processor to work at 50% or even more below its performancepotential.

• A Mouse
• B I/O
• C document
• D memory

2【单选题】The _______ in E-mail messages has affected almost every computer around the world and has caused the damage of up to US$1 billion in North America.

• A illness
• B virus
• C weakness
• D attachment

3【单选题】One of the basic rules of computer security is to change your_______ regularly.

• A name
• B computer
• C device
• D password

4【单选题】One of the greatest features of a home _______ is the ability to share one Internet connection simultaneously over two or more computers.

• A computer
• B device
• C network
• D work

5【单选题】The usual address for a Web site is the page address, although you can enter _____________.

• A home
• B main
• C host
• D house

二. 填空题（共5题）

6【填空题】______:The phosphorescent surface on which an image is displayed, as on a television, computer monitor, or radar receiver.

第1空：screen​

7【填空题】____: A program that observes, supervises, or controls the activities of other programs.

第1空：monitor​

8【填空题】____: The smallest image-forming unit of a video display.

第1空：pixel​

9【填空题】____:The fineness of detail that can be distinguished in an image, as on a video display terminal.

第1空：resolution​

10【填空题】____: One of a set of symbols, such as letters or numbers, that are arranged to express information.

第1空：character​

三. 其它（共1题）

11【其它】

把下列句子翻译为中文

(1) The operating system is the program that manages a computer 's resources.

(2) Computer databases typically contain aggregations of data records or files.

(3) Compressed files have to be extracted using a utility such as WinZip.

(4) Calling cells by just their column and row labels is called relative referencing.仅通过单元格的列和行标签调用单元格称为相对引用。

(5) A database management system allows control of security and data integrity requirements.

(6) On larger networks, the trip from one switch point to another in the network is called a hop.

(7) A uniform resource locator is basically just an address for a file that can be given to a browser.

填写答案

（1）操作系统是管理计算机资源的程序。

（2）计算机数据库通常包含数据记录或文件的聚合。

（3）压缩文件必须使用诸如WinZip之类的实用程序提取。

（4）仅通过单元格的列和行标签调用单元格称为相对引用。

（5）数据库管理系统允许控制安全性和数据完整性要求。

（6）在较大的网络上，从网络中的一个交换点到另一个交换点将被称为跳。

（7）统一资源定位器基本上只是可以提供给浏览器的文件的地址。