专业外语练习题(2)

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专业外语练习题(2)

一、根据英文解释写单词

1、Information put into a communications system for

transmission or into a computer

system for processing. Input

2、A unit of a computer that preserves data for retrieval.

memory

3、A basic unit of storage in a computer memory that can

hold one unit of information,such

as a character or word. Cell

4、A part of the central processing unit where groups of

binary digits are stored as the

computer is processing them. Register

5、A sequence of characters required to gain access to a

computer system. Password

6、A program that observes, supervises, or controls the

activities of other programs. Monitor

7、To move back and forth alternately. Reciprocate

8、One of a set of symbols, such as letters or numbers, that

are arranged to express

information. Character

9、A network of computers, similar to the Internet, within a

particular company or

organization. (computer)

10、For mobile users, firewalls allow remote access in to the

private network by the use

of secure logon procedures and authentication certificates.

firewall

11、 A document with blanks for the insertion of details or information. Form

12、On the computer screen, a folder most often looks like

a yellow or blue paper file

folder.在计算机屏幕上,文件夹通常看上去像黄色或蓝色的纸质文件夹。folder

13、To set upon with violent force . attack

14、The quality of video you see on your monitor depends

on both the video card and

the monitor you choose. 你在显示器上看到的视屏质量取决于视频卡和你所选择的显示器video card、monitor

15、Star topologies are normally implemented using twisted

pair cable, specifically

unshielded twisted pair(UTP). ( Star topologies)

16、The compiler ignores all comments. ( compiler)

17、The technology employed in transmitting messages. 传输中使用的技术信息。

18、Most general purpose computers are desktop systems.

大部分通用计算机是桌面系统。desktop systems.

19、Move the cursor by using the arrow keys on the

keyboard. 通过使用键盘上的方

向键移动光标。arrow keys

20、 A bridge is sometimes combined with a router in a

product called a brouter. 网桥

有时也和路由器结合在一起,组成叫做桥式路由器的产品。bridge

21、In a database record, the name or structure of a field. 在数据库中记录的名称或

结构域。

22、To determine or specify the position or limits of.确定或指定的位置或限制 23、To move back and forth alternately. Reciprocate

24、Deselect the text by clicking anywhere outside of the

selection on the page or

pressing an arrow key on the keyboard. 可以通过选定文本之外的任何位置或按任一方向链来取清选定。

25、 A fireproof wall used as a barrier to prevent the spread

of fire. ( firewall)

26、Nothing epitomizes modern life better than the

computer. 没有什么能比计算机更

好地体现现代生活。computer

27、 A short block of data transmitted in a packet switching

network. Packet

28、 A transmission path by which radio or other signals are

sent to an aircraft or a

communications satellite. Uplink

29、 A real-time interaction with a computer. Conversation

30、Two or more words in sequence that form a syntactic

unit that is less than a

complete sentence. Phrase

二、翻译

1、Tape must be read or written sequentially, not randomly.

磁带必须读或写的顺序,不能随意。

2、 A gateway is often associated with both a router and a

switch.

网关通常与两个路由器和交换机相关联

3、The biggest problem with BASIC is portability.

用BASIC最大的问题是便携性

4、Bus is an electrical connection between the components

of a computer system along which the signals or power is

transmitted. 总线是沿其信号或电力传输的计算机系统的组件之间的电连接。

5、New viruses come out every single day.

新病毒出来的每一天

6、Intelligence is the computational part of the ability to

achieve goals in the world.

智能是达到世界上目的的能力的计算部分

7、It also chooses the best path between two networks when

there are multiple paths. 它还选择当存在多个路径的两个网络之间的最佳路径

8、 A printer is an essential part of the computer if you want

a hard copy of your work. 如果要把你的工作硬拷贝出来的话,打印机就是你计算机的基本部分。

9、The scope of a variable is the region in the source code

over which the variable is active.

一个变量的范围是在源代码在其上的变量是活性的区域。

10、After the formula is typed into the cell, the calculation

executes immediately.

后式键入到细胞中,计算立即执行。

11、 A firewall is set of related programs located a network

gateway server.

A防火墙设置位于网络网关服务器相关方案。

12、Java technology is both a programming language and a

platform.

Java技术既是一种编程语言和一个平台。

13、 A network typically means a group of computers

working together.

A网络通常是指一组计算机一起工作

14、The CPU and memory are usually on the motherboard.

在CPU和内存通常是在主板上。

15、The principal types of printers include dot-matrix, daisy