《计算机专业英语》答案.docx

1、计算机专业英语答案计算机专业英语参考答案Chapter 1 Computer ScienceText AExercises 2.(a)out (b)with (c)in (d)in (e)in (f)with (g)for (h)aboutText BExercises 3.(a)to (b)now (c)in (d)with (e)out (f)uponText CExercises 1.(1)analyze, analytic (2)complicate, complex (3) collaborate, collaborative (4)vary, various (5)introduc

2、e, introductory (6)base, basic (7)create, creative (8)differ, different (9)free, freeChapter 2 Discrete Mathematics for Computer ScienceText AExercises1. C48 =70，C38 =562. 6*25=1923. if a=0then if b=0 then return(0) else return(1+Add(0,b-1)else if b=0 then return(1+Add(a-1,0) else return(1+1+Add(a-1

3、,b-1)4. if Rest(S)= then return(First(S)else if (First(S)Largest(Rest(S) return(Largest(Rest(S) else Return(First(S)5. Now we can define function Concat(S1,S2) as:if(Length(S1)=0)then return(S2)else return(Cons(First(S1), Concat(Rest(S1),S2)Text BExercises1.Proof:According to given conditions, we kn

4、owan = an-1 + 2nan-1 = an-2 + 2(n-1)a2 = a1 + 2*2a1 = 3sum all items in left side, and delete same items in the right side of equations, we can result thatan = 3 + 2（2+3+n-1+n）=1+n(n+1)=n2+n+1that is what we conclude.Text CExercises1.（1）depend, dependent (2) correspond, correspondent (3)grow, grown

5、(4)solve, solvent (5) relate, relational (6)recur, recursive (7) validate, valid (8) conclude, conclusive (9) justify, justificative2.(1)connect-disconnect (2)possible-impossible (3)regular-irregular (4)measure-countermeasureChapter 3 Algorithms in the Real WorldText AExercises2. finite, solving, pr

6、ocessing, effective, eventually, next, randomly3. by, in, on, in, on, from4. the algorithm can terminate. It is correct for sorting. If the length of array A is n, the time for computation is O(n2) Its memory cost n units. As n increase, its computational cost will become large.Text BExercises3.(1)(

7、e), (2)(c), (3)(d), (4)(a), (5)(b)4. inconvenience, incapacity, independence5.We couldnt have lived without water.Chapter 4 Dictation SystemText AExercises2. forefront, institution, turnaround, boost, embrace, portfolio, handle, portable, issue, stringent3. off, on, from, into, in, to, over, to, on,

8、 toText BExercises2.(1)(h), (2)(g), (3)(a), (4)(j), (5)(e), (6)(f), (7)(b), (8)(i), (9)(c), (10)(d)Text CExercises3. organize,organizationaldictate,dictativeproduce,productiveadministrate,administrativetranscribe, transcriptivesimplify,simplicialimplement,implementativeprotect,protectiveChapter 10 I

9、ntroduction to ComputersText A.1. hardware, software2. a Central Processing Unit (CPU), memory, an input device, an output device3. Input devices, Output devices4. An input device5. application software, system software.1. hardware 6. integrated circuit2. software 7. secondary storage3. a Central Pr

10、ocessing Unit (CPU) 8. computer system4. application software 9. main memory5. operating system 10. scannerText B. 1. The WYSIWYG2. cell3. finding, fixing4. Formulas5. headings across the top6. character, word, phrase. 1. true 6. false2. true 7. false3. true 8. true4. true 9. true5. false 10. falseT

11、ext C当使用计算机的时候，你必须知道与它“交流”。在一些特殊情况下，计算机会发出一些有用的出错信息或提示来帮助继续你的工作。下面是一些最常见的信息： 错误的文件名或命令。 中止，重试或取消？ 请认真阅读下列授权协议书。 建议安装前先关闭其他所有的应用程序。 请单击【OK】按钮继续安装。 按F1键请求帮助。 重启你的计算机，完成安装。 磁盘写保护。 确认继续吗？（是按Y不是按N键） 内存不足。如果你已经理解它们，那你能与计算机很好地交流而且可以避免很多错误。当然，假如你想了解有关它们的更多知识，就必须花更多时间学习和实践。Chapter 12 Computer Language and Pr

12、ogrammingText A.1. artificial, instructions 2. low-level, high-level 3. low-level4. machine 5. statement.1. 存储寄存器 11. executable program2. 函数语句 12. program module3. 程序语句 13. conditional statement4. 面向对象语言 14. assignment statement5. 汇编语言 15. logic language6. 中间语言，中级语言 16. machine language7. 关系（型）语言 1

13、7. procedural language8. 人造语言 18. programming language9. 数据声明 19. run a computer program10. 结构化查询语言 20. computer programmerText B. 1. processing 9. programs2. machine 10. step3. programmers 11. reuse4. translated 12. inconvenient5. computer 13. programming6. combine 14. high-level7. memory 15. power

14、ful8. separate 16. execution. 略Text C略Chapter 13 Computer Graphics and ImageText A.1. charts, graphs 2. generate images 3. computer graphics4. element 5. in real time.1. false2. false3. true4. false5. trueText B. 1. image processing 6. individual2. collecting 7. local operations3. extract, available

15、 8. primary4. preprocessing 9. expert systems, mimic5. geometric 10. decisions. 1. false 6. true2. true 7. false3. false 8. true4. true 9. true5. false 10. false.1. 应用 6. 提取（名词）2. 数字图像处理 7. 校正3. 提取 8. 专家系统4. 许多的 9. 分类5. 提高 10. 交互作用Text C.1. Photoshop 2. handle save and export step 3. animation4. Ima

16、ge technology 5. the industrial revolution.1. false2. true3. true4. false5. falseChapter 14 Multimedia TechnologyText A.1. false 2. false 3. true4. true 5. false6. false7. true8. true.1. It is editing of a video like a document with cutting and pasting.2. New, cost-effective compression.3. Yes, ther

17、e is.4. The former.5. Yes, Because PCs in general are not the most stable.6. Yes, they will.Text B. 1. train their employees2. has saved expenses and trained employees more effectively3. make computers more interesting4. organize information, search for facts5. presenting information to business pro

18、fessionals6. your imagination7. Applications8. expand the uses of computers. 1. true 2. true 3. false 4. true 5. false 6. true7. true8. falseText C.1. sound, graphics 2. audio 3. multimedia data4. A graphics card 5. store, produce.1. false2. true3. false4. true5. trueChapter 17 Computer Network Tech

19、nologyText A1. B 2. C 3. A4. B Text B. 1. WWW2. accessing all over the Internet3. The Web4. other online documents5. hypertext6. images, sounds, video clips7. Gopher, FTP8. various people, organizations9. WWW. 1. true2. false3. true4. true5. false6. false7. false8. trueText C1. the protocols 2. Beca

20、use Internet programs are designed to take advantage of one or more of the protocols. 3. The protocols of the Internet.4. Introduction to a Home (Page) of Your Own.Chapter 18 Computer and Network SecurityText A.1. A2. ABC3. AD4. ABC.1. reproduces, attaching, executed, executed2. adding, inserting, p

21、lacing3. Similar, malicious4. While5. corruption, viruses6. anti-virus, sense7. viruses, worms, guardText B. 1. true 6. true2. true 7. true3. false 8. true4. false 9. true5. false 10. false. 1. access2. Internet3. connection4. software5. a firewall/ firewalls6. download7. free8. businessesText C. 1.

22、 false2. false3. true4. true5. true6. false7. true8. true. 1. guess, choose, systems2. user, The password3. written, log in4. characters, access5. changeChapter 19 Computer ApplicationsText A.1. false2. true3. true4. true5. false6. true7. false8. false.1. Cheap cameras.2. AT&T.3. The Intel videophon

23、e software.4. Whiteboards, remote camera control, terminal PIP, touch-screen control panel, large TV terminal, wide-angled background camera, text camera, etc.5. 3Coms Bigpicture cameras.6. We need a sound card built into my PC, speakers and a microphone. Text B. 1. E-mail2. IT3. online4. media5. br

24、owser6. bandwidth. 1. 文件头有问题。2. 中断的操作。3. 不能拷贝临时文件。4. 不能删除指定的文件。5. 找不到指定的文件。6. 无法找到所指定的重新开始的文件。7. 无法找到所指定的重新开始的信息。8. 找不到指定的卷标。9. 不能建立该目录（已经存在）。10. 不能打开指定文件。Text C. 1. true2. true3. false4. false5. true6. false. 1. 思维过程 5. neural networking2. 图像识别 6. speech recognition3. 自然语言处理 7. virtual pets4. 专家系统 8. artificial intelligence