单选题
A high-level language is an artificial language with which we can write various (66) A. files B. instructions C. text D. papers
【正确答案】
B
【答案解析】[解析] 高级语言是一种人工的语言,用户可以用它编写各种各样的指令。
单选题
In recent years, TCP/IP has also begun to be used by telephone companies to provide faster, cheaper telephone (67) A. transmitting B. transmited C. transfers D. transmissions
单选题
The World Wide Web is the latest evolution of an effort to make information on computers (68) the world available to as many users as possible. A. through B. throughout C. by D. with
【正确答案】
C
【答案解析】[解析] World Wide Web 的最新发展就是致力于把世界范围的计算机上的信息提供给尽可能多的用户。
单选题
A small network may only connect two computers inside a home to share a single printer and Internet (69) A. connect B. connecting C. connection D. connective
单选题
A multimedia system allows end users to share, transfer and process a variety of forms of information in a (70) manner. A. fixed B. fix C. unifying D. unified
【正确答案】
D
【答案解析】[解析] 多媒体系统允许终端用统一标准的方式共享、传输和处理信息的形式。
单选题
There is free firewall software available that can run on minimal hardware and provide a good level of (71) to your network. A. protective B. profecting C. protection D. profection
【正确答案】
C
【答案解析】[解析] 免费的防火墙可以安装在很小的硬件上,对计算机网络提供高水平的保护。
单选题
The basic concept of a data (72) is the difference between data and information. A. warehouse B. storage C. base D. service
【正确答案】
A
【答案解析】[解析] 数据仓库的基本概念就是数据和信息的不同。
单选题
A computer network links computers together to allow users to share hardware, software, and (73) A. resource B. file C. information D. data
【正确答案】
D
【答案解析】[解析] 计算机网络把计算机连接在一起,允许用户共享硬件、软件和数据。
单选题
Communication networks can be classified in terms of their physical arrangement or (74) . Three common (74) are the star, bus, and ring. A. structures B. topologies C. protocols D. frames