计算机专业英语第三版全部练习答案

计算机专业英语教程
第三版 练习参考答案

Unit 1

[Ex 1] 1. F 2. T 3. T 4. F 5. T 6. T 7. T 8. T 9. T 10. F
[Ex 2] 1. input, storage, processing, and output 2. power; speed; memory
3. central processing unit 4. internal; primary; memory
5. keyboard; central processing unit; main memory; monitor
[Ex 3] A. 1. F 2. D 3. G 4. C 5. B 6. A 7. E 8. H
B. 1. user 2. monitor 3. data 4. keyboard 5. data processing
6. information 7. computer 8. memory
[Ex 4] 1. input device 2. screen, screen 3. manipulates 4. instructions 5. retrieve
6. code 7. hard copy 8. function
[Ex 5] 1. T 2. T 3. F 4. F 5. T 6. F 7. T 8. F

Unit 2
[Ex 1] 1. T 2. F 3. T 4. F 5. T 6. T 7. T 8. F
[Ex 2] 1. sizes, shapes, processing capabilities
2. supercomputers, mainframe computers, minicomputers, microcomputers
3. mainframe computer 4. microcomputers, storage locations
5. protables, laptop computers/notebook/palm-sized computer.
desktop workstations
6. semiconductor 7. CPU, memory, storage, devices, processing, users
8. microprocessor chip
[Ex 3] A. 1. C 2. A 3. H 4. I 5. E 6. F 7. G 8. B
1. capacity 2. device 3. laptop computer 4. Portable computers
5. Silicon 6. semiconductor 7. workstation 8. voltage
9. RAM 10. ROM
[Ex 4] 1. portable 2. access 3. main memory 4. sophisiticated programs
5. processing capability 6. instructions 7. computation
8. computer professional
[Ex 5] 1. T 2. T 3. T 4. F 5. F 6. T 7. F 8. T 9. F 10. T 11. F 12. T
13. T 14. T

Unit 3
[Ex 1] 1. T 2. F 3. T 4. T 5. T 6. T 7. F 8. F 9. T 10. F 11. T 12. F
13. F 14. T
[Ex 2] 1. microprocessor 2. bus 3. register 4. control unit 5. processor
6. binary 7. arithmetic, logical 8. milliseconds, microseconds, nanoseconds.
9. instruction 10. execution 11. megahertz 12. wordsize
[Ex 3] A. 1. F 2. A 3. J 4. C 5. D 6. E 7. H 8. I 9. B 10. G
1. Storage 2. chip 3. registers 4. ALU 5. bus 6. control unit
7. machine language 8. binary system 9. bits 10. computer program
[Ex 4] 1. configuration 2. converts 3. data buses 4. characters
5. decodes 6. synchronize 7. circuitry 8. internal clock
[Ex 5] 1. T 2. F 3. F 4. T 5. T 6. F 7. T 8. T 9. T 10 F

Unit 4
[Ex 1] 1. F 2. T 3. T 4. T 5. F 6. T 7. F 8. T 9. T 10. F 11. T 12. T
13. F 14. F 15. T 16. F 17. T 18. F 19. T 20. F 21. T 22. F
[Ex 2] 1. main memory 2. RAM 3. diskettes/floppy disks; hard disks
4. chips 5. parity 6. expanded, extended 7. monochrome
8. cache 9. ROM 10. updated
[Ex 3] A. 1. B 2. E 3. C 4. J 5. I 6. H 7. A 8. F 9. G 10 D
1. secondary srorage 2. buffer 3. access 4. code 5. diskette
6. slots 7. terminals 8. mot

herboard 9. bytes 10. screen
[Ex 4] 1. desktop 2. software 3. animation 4. transferred 5. sophisticated
6. compatible 7. cache 8. upgrade
[Ex 5]
1. Introduction to How Bluetooth Works
1. T 2. F 3. F 4. T
2. How Bluetooth Creates a Connection
5. T 6. T 7. T 8. F 9. F 10. F 11. T 12. T
3. How Bluetooth Operates
13. T 14. F 15. T 16. F 17. T 18. T 19. F
4. Bluetooth Piconets
20. T 21. T 22. T

Unit 5
[Ex 1]
Para 1 to Para 4
1. T 2. T 3. F 4. T 5. F 6. F 7. F 8. T 9. T 10. T
Para 5 to Para 7
11. F 12. T 13. F
Para 8 to Para 10
14. F 15. T 16. T
Para 11 to Para 14
17. F 18. T 19. F 20. F 21. T 22. T 23. T
[Ex 2] 1. mail, courier 2. hub, star 3. Local area Network 4. packets 5. Ethernet
6. kilobits per second, megabits per second, gigabits per second 7. circuit switching 8. reassembled 9. Internet Protocol, Transmission Control Protocol 10. datagram 11. frames 12. binary, decimal
[Ex 3] A. 1. C 2. E 3. B 4. F 5. A 6. D 7. H 8. G
B. 1. hub 2. zipped 3. decimal 4. frame
5. binary number 6. Internet 7. packet 8. bandwidth
[Ex 4] 1. forwarded 2. reassembled 3. are encapsulated 4. cables 5. bursty
6. submit 7. are retransmitted 8. protocol
[Ex 5]
1. E 2. A 3. C 4. F 5. B 6. D 7. H 8. G
[Ex 6]
有意为技术服务人员留下的
抛弃、丢失或毁灭的数据都进入到数据接受器中
远远不能覆盖绝大多数嫌疑人
真正奇才所掌握的技术
文件和程序
1. 系统详情、扩展其性能 5. 敏感信息的人
滞缓的特性和控制开发的复杂性
非常巧妙的权宜之计，旨在解决很棘手的问题
不能有效与他人沟通的人
一个程序、数据结构或全部程序的
交叉指向不合适的新闻组
打免费长途电话了；通信网络，但不单指通信网络
眼睛疲劳
无关紧要或令人讨厌的琐碎问题
不会有人发现这些漏洞的，或发现了也不会利用
受人雇佣，为测试系统的安全性而攻入某个地方
那种使用许多GOTO、例外或另外的“非结构的”分支构造
不能定期运行适当的抑制程序
某种非常友好程序的
远在没有正式发行之前
该技术也许不能发挥作用。如果不能用，程序员也永远不知道为什么
Suns 机上使用L1-A；某些Mac机使用!
完全丧失功能了；计算机想做某事但不能进行下去了
人的神经系统，与计算机的硬件或软件相对；系统的硬件或软件
那种在紧急状况下能迅速发现并解决问题
思想排外/思想保守

Unit 6
[Ex 1] 1. F 2. T 3. F 4. T 5. T 6. F 7. F 8. T 9. T 10. F 11. F 12. F
13. T 14. F
[Ex 2] 1. compatible 2. hardcopy 3. terminal, monitor 4. inked ribbon
5. line 6. Thermal 7. Monochrome 8. liquid crystal display
[Ex 3] A. 1. G 2. B 3. I 4. F 5. D 6. H 7. C 8. E 9. J 10. A
1

. printers 2. hard copy 3. CRT 4. hardware 5. pixel
6. output 7. software 8. Line printers 9. plotters 10. graphics
[Ex 4] 1. are attached 2. compatible 3. flexible 4. mechanism 5. perform
6. rotate 7. transfer 8. video
[Ex 5]
Introduction 1. T 2. F
1. Position your wireless router (or wireless access point) in a central location 3. T 4. F
2. Move the router off the floor and away from walls and metal objects (such as metal file cabinets) 5. T 6. F
3. Replace your router’s antenna 7. F 8. T 9. F
4. Replace your computer’s wireless network adapter 10. T 11. F 12. T
5. Add a wireless repeater 13. F 14. T
6. Change your wireless channel 15. F 16. T
7. Reduce wireless interference 17. T 18. T
8. Update your firmware or your network adapter driver 19. T 20. F 21. T
9. Pick equipment from a single vendor 22. F 23. T
10. Upgrade 802.11b devices to 802.11g 24. T 25. T

Unit 7
[Ex 1] 1. T 2. F 3. T 4. T 5. F 6. F 7. T 8. T 9. F 10. F 11. F 12. T
13. F 14.T 15. T 16. F 17. T 18. T 19. F 20. F
[Ex 2] 1. printers, plotters 2. graphics 3. pins 4. pages per minute 5. dots per inch
6. lines per minute 7. non-impact 8. carbon
[Ex 3] A. 1. D 2. F 3. B 4. A 5. G 6. E 7. C 8. H
1. print wheel 2. Microcomputers 3. ink jet printer 4. network
5. noise 6. output device 7. desktop publishing 8. dot-matrix printers
[Ex 4] 1. installations 2. categorized 3. image 4. ribbon 5. monochrome
6. physical 7. referred to 8. dot
[Ex 5]
1. Introduction 1. F 2. T 3. T 4. T 5. F 6. T 7. F 8. T
2. Lines 9. T 10. F 11. T
3. The Line Command 12. T 13. F 14. F
4. The Construction Line Command 15. T 16. F 17. T 18. F
5. The Ray Command 19. T
6. The Polyline Family 20. T 21. T 22. F 23. T 24. T





Unit 8
[Ex 1]
Para 1 to Para 6 1. T 2. F 3. T 4. T 5. F 6. T 7. F 8. F
Para 7 to Para 11 9. F 10. T 11. F 12. T
Para 12 to Para 15 13. T 14. F 15. T
Para 16 to Para 19 16. T 17. F 18. T
Para 20 to Para 24 19. T 20 F 21. F 22. T 23. T 24. F

[Ex 2] 1. Local area networks, wide area networks 2. client-server 3. bus 4. protocol
5. hardware 6. microwaves 7. adapter, router 8. stack 9. upper, lower 10. layered


[Ex 3] A. 1. D 2. E 3. F 4. H 5. A 6. G 7. B 8. C
1. C. server 2. E.adapter 3. D. topology 4. G. microwave
5. A. local 6. H. inception 7. B. wide 8. F. Wireless
[Ex 4] 1. layout 2. accommodate 3. conforms 4. address 5. interoperable
6. session 7. has been designated/was designated等 8. configuring
[Ex 5] 1. H 2. A 3. F(transmits) 4. C 5. D 6. E 7. B 8. G

[Ex 6]
1.1 Definitions 1. T 2. T 3. F 4. T
1.2 FrontPage Screen Layout; 1.3 Views 5. T 6. T 7. F 8. F 9. T 10. T
1.4 Creating a Web Using the Web Wizard
11. F 12. T 13. T

14. F 15. T 16. T 17. T
1.5 Creating a Web Page from a Template 18. T
1.6 Report View; 1.7 Open A Web; 1.8 Saving A Web 19. T 20. F
2. Page Properties 21. F
2.1 General 22. T 23. F
2.2 Background 24. T 25. F 26. T 27. F 28. F
2.3 Themes 29. T 30. T 31. T
2.4 Removing a Theme 32. T

Unit 9
[Ex 1] 1. T 2. T 3. F 4. T 5. F 6. F 7. T 8. T 9. F 10. F 11. T 12. F
13. T 14. F 15. T 16. T 17. T 18. F
[Ex 2] 1. channels 2. eletrical pulses or charges, eletromagnetic waves, pulse of light
3. telephone lines, coaxial cables, microwave systems, satellites systems, fiber optic
cables 4. telephone lines 5. networks 6. atmosphere 7. microwave tower
8. gigahertz 9. digital 10. light
[Ex 3] A. 1. B 2. D 3. F 4. G 5. A 6. C 7. E 8. H
1. noise 2. transmission 3. Fiber optics 4. Microwave 5. sychronous
6. optical media 7. Coaxial cable 8. digits
[Ex 4] 1. communicate 2. revolves 3. detect 4. encrypted 5. nonconductive
6. frequency 7. susceptible 8. relayed 9. antenna 10. pulses
[Ex 5] 1. F 2. F 3. T 4. F 5. F 6. F 7. T 8. F 9. T 10. T 11. T 12. T


Unit 10
[Ex 1]
Para 1 to Para 2 1. F 2. T 3. T
Para 3 to Para 5 4. F 5. T 6. T 7. T 8. F
Para 6 to Para 7 9. F 10. T
Para 8 to Para 9 11. F 12. T
Para 10 to Para 11 13. F 14. F
Para 12 to Para 13 15. T 16. F 17. T 18. F 19. T
Para 14 20. T

[Ex 2] 1. download, contract/infect 2. macros 3. viruses 4. timer 5. client
6. recognize 7. reformat 8. back up
[Ex 3] A. 1. B 2. E 3. F 4. A 5. C 6. G 7. D 8. H
1. informative 2. programmed/is programming等 3. responsive
4. attachment 5. chat group 6. The bottom line 7. inoperabl
8. is scanned
[Ex 4] 1. has rendered 2. embedded 3. update 4. are contracted 5. wired
6. theorized 7. replicate 8. activated
[Ex 5] 1. C 2. G 3. A 4. F 5. H 6. B 7. E 8. D

[Ex 6]
Introduction 1. F 2. T 3. F 4. T
1. Security Violation Definition 5. T
2. Why Security? 6. T 7. F
3. Security Issues 8. F 9. T
4. Security Interdependence 10. F 11. F 12. T 13. F
5. Security Limitations and Applications 14. F 15. F 16. F
6. Layered Security 17. T 18. T
7. Hackers 19. F 20. F
8. Physical Security 21. T 22. T 23. T
9. Some Terms 24. T 25. F 26. F

Unit 11
[Ex.1] 1. T 2. F 3. F 4. T 5. T 6. F 7. F 8. T 9. T 10. T 11. F 12. F
13. F 14. T 15. T 16. T 17. T 18. T 19. F 20.F
[Ex 2] 1. HTML, the hypertext markup language 2. components 3. ASCII files
4. markup tags 5. webmaster 6. Heads, tables, paragraphs, lists 7. tags
8. slash 9. case sensitive 10. required 11. View Source
12. template 13. carriage returns, spaces, linefeeds 14. source
[Ex 3] A. 1. C 2. D 3. H 4. F 5. E 6. B 7. A 8. G
B. 1. bookmark 2. browsers 3.

primer 4. HTML
5. link 6. servers 7. webmaster 8. Search Engines
[Ex. 4]
1. 用超文本标识语言创建文档 2. 为网络创建文件 3. 文档类型定义
4. 独立平台风格 5. 网络服务器 6. 局域视图模式
7. 超文本标识语言版本 8. 超文本标识语言文档 9. 纯文本文件
10. 文本编辑器 11. 文字处理软件 12. 带分行符的文本
13. 超文本编辑器 14. 超文本标识符的基本知识 15. 文字处理器
16. 使自己的文件登录上网 17. 局域网 18. 提供免费上因特网
19. 本地因特网供应商 20. 免费将文件登录服务器
21. 用超文本标识符标志文件要素 22. 左尖括号 23. 标识符名
24. 右尖括号 25. 标识符指令
26. 图片源文件超文本标识符 27. 计较大小写/键盘上下档 28. 纯骨架文档
29. 一个样式文件 30. 查看源文件
31. 带有超文本语言标识符的源文件 32. 超文本语言编码信息 33. 文件扩展名
34. 全球背景 35. 大号字或/和粗体字 36. 回车
37. 单词移行 38. 回行

[Ex 5]
1. Introduction T 2. T 3. F
2. Basic Navigation in Cool Edit 4. F 5. T 6. F 7. T 8. T
3. Working with Audio Files 9. F 10. T 11. T 12. F
4. Making Selections 13. T 14. T 15. F
5. Editing Sound 16. T 17. T
6. Exporting your Sound 18. F 19. F 20. T



Unit 12

[Ex.1]
Para 1 to Para 4 1.F 2. F 3. T
Para 5 to Para 7 4. T 5. T 6. T 7. T 8. F
Para 8 to Para 11 9. F 10. T 11. F
Para 12 to Para 17 12. T 13. T 14. F
Para 18 to Para 19 15. T 16. F
Para 20 17.T
Para 21 to Para 23 18. F 19. T 20. T

[Ex 2] 1. analog 2. relational 3. distributed 4. object-oriented
5. privileges 6. structured query language 7. columns, row
8. infancy
[Ex 3] Part A 1. C 2. E 3. F 4. G 5. A 6. H 7. B 8. D
Part B 1. query 2. database 3. interface 4. infancy 5. profile
6. tabular 7. Interactive 8. metadata

[Ex. 4]. 1. Legacy 2. interconnected 3. integrity 4. intermittent 5. converts
6. dispersed 7. reassembling 8. access

[Ex 5] 1. C 2. G 3. F 4. H 5. A 6. E 7. B 8. D
[Ex 6] 1. T 2. T 3. F 4. T 5. T 6. F 7. F 8. T 9. T 10. T




Unit 13
[Ex.1] 1. F 2. F 3. T 4. T 5. F 6. T 7. T 8. F 9. T 10. T
11. F 12. T 13. F 14. T 15. F 16. F 17. T 18. T 19. F 20. F
21. T
[Ex.2] 1. functions, structures 2. object 3. messages 4. black boxes
5. object instances 6. Arguments 7. client-server 8. code, bugs
9. specific, general

10. C++
[Ex.3] A. 1. C 2. E 3. F 4. B 5. J 6. H 7. I 8. D 9. A 10. G
B. 1. server 2. clients 3. database 4. jargon 5. programmers 6. compiler
7. Java 8. codes 9. C++ programming language 10. information hiding
[Ex.4] 1. buzzword 2. acronym 3. syntax 4. browser 5. intranet 6. Interface
7. network 8. by storm
[Ex 5] 1. T 2. F 3. T 4. F 5. T 6. T 7. T 8. F 9. F 10. T 11. T 12. T
13. T 14. F 15. F 16. F 17. T 18. T 19. F 20. T

Unit 14
[Ex 1] 1. T 2. F 3. T 4. F 5. F 6. F 7. T 8. F 9. T 10. T 11. F 12. T
13. F 14. T 15. T 16. T 17. T 18. T
[Ex 2] 1. duplicate 2. destination 3. entries 4. compound, single-entry 5. overwrite
6. array 7. one-dimesional 8. two-dimesional 9. arrays, table/.DBF
10. records
[Ex 3] A. 1. E 2. D 3. B 4. C 5. A
1. record 2. backup 3. field 4. tables 5. array
[Ex 4] 1. duplicate 2. specific 3. source, destination 4. current 5. path 6. assign
7. original 8. dialog
[Ex 5] (1) feasibility (2) data (3) requirements analysis (4) system requirements
(5) requirements specification (6) management/user (7)feasible (8) Physical



Unit 15
[EX 1]
Para 1 1. F 2. T 3. T
Para 2 to Para 4 4. F 5. F 6. T 7. T
Para 5 to Para 8 8. T 9. T 10. T 11. F
Para 9 12. F 13. F
Para 10 14.F 15. T
Para 11 to Para 12 16. F 17. T 18. F 19. F 20. T


[Ex 2] 1. information 2. variable, constant 3. integer 4. Characters
5. decimal 6. exponent 7. bit 8. byte
[Ex 3] A. 1.D 2. E 3. F 4. G 5. A 6. C 7. H 8. B
1. Sidebars 2. processor 3. notation 4. Variables
5. compilers 6. constants 7. power 8. compatible
[Ex 4] 1. identify 2. recognize 3. represented 4. are preset
5. were subject 6. unsigned 7. designated 8. assigns
[Ex 5] 1. G 2. F 3. A 4. E 5. B 6. C 7. D 8. H
[Ex 6]
1.1 What is Java technology? 1. T 2. F 3. T 4. F 5. T 6. F
1.2 Java is not JavaScript 7. F 8. T
1.3 What can I do with Java? 9. F 10. T 11. T 12. F 13. F 14. T 15. T
1.4 How do I get Java? 16. F 17. T 18. T 19. F
2.1 How do I add an applet to my Web page? 20. T
2.2 What do I need for writing Java programs? 21. F
2.3 What do I need for writing JSP/servlet Web pages? 22. T
2.4 How do I learn to program in Java? 23. T 24. F
2.5 I have already read the Java Programming Tutorial. Now what? 25. T

Unit 16
[Ex 1]
Para 1 1. F 2. F
Para 2 to Para 4 3. T 4. F 5. T
Para 5 to Para 8 6. F 7. T 8. F 9. F 10. T
Para 9 to Para 13 11. T 12. T 13. F
Para 14 to Para 17 14. F 15. T 16. F 17. T 18. T

[Ex 2] Part A 1. D 2. E 3. F 4. B 5. A 6. C 7. H 8. G
Part B 1. feedback 2. brainstorming 3. advancements 4. impact
5. momentum 6. refinements 7. electronic 8. mechanism

[Ex 3] 1. has demonstra

ted 2. advent 3. surge 4. perform
5. debut 6. undefine 7. build on 8. simulate

[Ex 4] 1. C 2. F 3. G 4. A 5. E 6. H 7. B 8. D

[Ex 5]
1. Introduction to How DNA Computers Will Work 1. F 2. T 3. F 4. T 5. T
2. Fledgling Technology
6. F 7. T 8. T 9. T 10. F 11. T 12. F 13. T 14. T 15. T
3. Successor to Silicon 16. T 17. F 18. F 19. F 20 T 21. F 22. F 23. T 24. F