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D. A compiler
25. QQ is a/an () program.
A. system
B. database
C. application
D. library
26. ( ) is the most popular OS(操作系统) in the world.
A. DOS
B. UNIX
C. LINUX
D. Windows
27. ( ) is a free OS(操作系统).
A. DOS
B. UNIX
C. LINUX [广开搜%^@&题*]
D. Windows
28. Computer programs fall into two main categories: system programs and ( ) programs. [广%@~#^开搜题]
A. application
B. kernel
C. word-processing
D. utility
29. A computer program consists of a set of ( ).
A. numbers
B. words
C. characters
D. instructions
30. We can classify programming languages under two types: low-level languages and () languages.
A. machine
B. C
C. high-level
D. Java
31. ( ) is an object-oriented language.
A. C
B. Pascal
C. Basic
D. Java
32. A/An () is a fixed-size, sequenced collection of elements of the same data type.
A. array
B. integer
C. string
D. real number
33. The () is the largest WAN.
A. LAN
B. MAN
C. CAN
D. Internet
34. A () is a device that converts between analog and digital signals, making it possible for a computer to transmit information over a standard telephone line.
A. bridge
B. modem [广~#*^开搜@题]
C. gateway
D. hub
35. ( ) shares the feature that they are limited in range: typically, they cover one building.
A. WAN
B. MAN
C. LAN
D. internet
36. ( ) shares the feature that they generally cover a city.
A. WAN [广开#搜%@题&^]
B. MAN
C. LAN
D. Internet
37. ( ) generally covers a large range of area.
A. WAN
B. MAN
C. LAN
D. Internet
38. An IP address is a () address.
A. 8-bit
B. 16-bit
C. 32-bit
D. 64-bit
39. "www.hust.edu.cn" is a/an () name.
A. domain
B. symbolic
C. decimal-dotted [广%&^开@~搜题]
D. good
40. Among the following domain names, which domain belongs to government? [广@开^*&#搜题]
A. www.baidu.com
B. www.hust.edu.cn
C. www.whitehouse.gov
D. www.zgks.org
41. Among the following domain names, which domain belongs to school?
A. www.baidu.com
B. www.hust.edu.cn
C. www.whitehouse.gov
D. www.zgks.org [广*^&开搜题@~]
42. In the domain name "www.hust.edu.cn", "cn" refers to ( ).
A. Canada
B. Chile
C. China
D. Congo
43. FTP对应的中文是（ ）。
A. 传输控制协议 [广开搜~%题^@#]
B. 食品安全标准
C. 文件控制协议 [广开*#搜&题@~]
D. 文件传输协议
44. HTTP对应的中文是（ ）。
A. 超文本标记语言
B. 超文本传输协议
C. 下载协议 [广开~@^搜&#题]
D. 传输控制协议
45. ISO对应的中文是（ ）。
A. 国际化标准组织 [广开%&搜^~题@]
B. 开放系统互连
C. 意大利标准化组织
D. 国家标准化组织
46. TCP的完整单词拼写是（ ）。
A. Transfer Control Practice
B. Transmission Control Protocol
C. Transmission Control Practice
D. Transfer Carry Protocol
47. WWW的中文含义是（ ）。
A. 局域网
B. 城域网
C. 万维网
D. 广域网
48. A hardware or software malfunction can cause a system to ( ). [广开~搜@%#&题]
A. crush
B. crash
C. crack
D. collide
49. When a ( ) is used, all the devices in the network are connected to a single cable.
A. bus network
B. ring network
C. star network
D. mesh network
50. Today most networks use a physical ( ) topology.
A. ring
B. bus
C. star
D. tiered
51. During ( ), the implemented system is tested to see that it meets the specified requirements.
A. analysis [广*开搜~题^&#]
B. requirement
C. design
D. testing
52. UNIX is a ( ) operating system.
A. multi-user, single-tasking
B. single-user, single-tasking
C. multi-user, multi-tasking
D. single-user, multi-tasking
53. A/An () is a low-level language in binary code (二进制代码) that the computer can understand and execute directly.
A. assembly language
B. object-oriented language
C. machine language
D. high-level language
54. ( ) is a program that is often used to help find problems in other programs.
A. A debugger (调试程序)
B. A loader (装入程序)
C. A linker (连接程序)
D. An assembler(汇编程序)
55. High-level languages must first be translated into machine languages before they can be understood and processed by a computer. This job is often done by ( ).
A. an assembler(汇编程序)
B. a loader(装入程序)
C. a linker(连接程序) [广@#开%搜题^*]
D. a compiler(编译程序)
56. A/An （） is a sequence of code in a program executed repeatedly, either for a fixed number of times or until a certain condition is met.
A. statement
B. loop
C. block
D. instruction
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