西南大学17秋0089专业英语作业答案.doc

1、1、 A VPN is physically but virtually 1. none of the above 2. public; hybrid 3. private; public 4. public; private 2、 1. is a secure protocol jointly designed by Mastercard and Visa with the backing of Microsoft, Netscape, IBM, GTE, SAIC, and other companies. 1. SSL 2. TCP 3. SET 4. IP 3、 The physica

2、l components of a computer are collectively called _. 1. hardware 2. software 3. memory 4. boards 4、 2.The term payment card refers to 1. B. Charge card 2. Credit card 3. A and B only 4. Charge card 5、 The fifth generation computers, with artificial intelligence,_ and perfected now. 1. C. will have

3、been developed 2. developed 3. are being developed 4. have developed 6、 In the future, we may eliminate the needs for physical money.Indeed ,we would exchange For goods and services. 1. E. love 2. teeth 3. digital cash 4. seashells 7、 The basic input device on a small computer is a _. 1. keyboard 2.

4、 printer 3. A display screen 4. card reader 8、 You _ her in her office last Friday; shes been out of town for two weeks. 1. neednt have seen 2. must have seen 3. cant have seen 4. might have seen 9、 The ability to store knowledge makes computers different from every other machine _ invented. A) ever

5、 B) thus C) yet D) as 1. ever 2. thus 3. yet 4. as 10、 The fifth generation computers, with artificial intelligence,_ and perfected now. 1. developed 2. have developed 3. are being developed 4. will have been developed 11、 is an electronic payment system developed by Dr.David Chaum, who is widely re

6、garded as an inventor of digital cash. 1. DigiCash 2. E-cash 3. A and B 4. A or B 12、 Transaction changed to your telephone bill are called 1. virtual pin payments 2. Internet-bill payments. 3. credit card payments 4. E-charge payments 13、 are cards that look like credit cards, but store information

7、 on a microprocessor chip instead of magnetic strips. 1. Magnetic cards. 2. Small cards 3. Credit cards 4. Smart cards 14、 P is a free service that earns a profit on the , which is money that is deposited in PayPal accounts. 1. Float 2. commission 3. scrip 4. transaction cost 15、 7. This ticket _ yo

8、u to a free meal in our new restaurant. 1. A. entitles 2. grants 3. gives 4. credits 16、 2. Program that can destroy another computers programs are called_. 1. bugs 2. bugs 3. viruses 4. games 17、 Data and program instructions are stored in_ 1. D. output 2. the processor 3. storage 4. program 18、 th

9、at store digital certificates are particularyly handy when you shop at a site that requests user authentication information. A. Electronic Cash B. Electronic checks C.Electronic wallets D. None of the above 1. F. None of the above 2. Electronic checks 3. Electronic wallets 4. Electronic Cash 19、 The

10、 percentage of times an ad is clicked on based on the number of times its viewed is called 1. CPM 2. CTR 3. impressions 4. hits 20、 The purpose of input device is _. A. to enter commands B. to hold instructions C. to input data D. both a and c 1. both a and c 2. to hold instructions 3. to input data

11、 4. to enter commands 主观题 21、 A computer system includes a computer, peripheral devices, and software. The electric, electronic, and mechanical devices used for processing data are referred to as hardware. In addition to the computer itself, the term “hardware” refers to components called peripheral

12、 devices that expand the computers input, output, and storage capabilities. Computer hardware in and of itself does not provide a particularly useful mind tool. To be useful, a computer requires a set of instructions, called software or a computer program, which tells the computer how to perform a p

13、articular task. Computers become even more effective when connected to other computers in a network so users can share information. 参考答案： 答案见教材每课后的翻译练习答案。 22、请选择下列一个题目写一篇不低于 150 个词的英文短文 . 1. The advantages of computer 2. How to work with computer? 3. How computers change our life? 4. My view on chat

14、 on the Internet 5. My view on computer security 参考答案： 要求文章用词简单，拼写正确，语法无大的错误，不偏题。在以往的考试中，很多同学因为写不出来什么东西，就空着，或者把前面的题目，翻译文章抄写一篇，这些都是不能得分的，而且是对自己极不负责任的做法，不管你英语水平有多高，都要尽量表达出你所能想到的，关于题目的东西，并且单词也要尽量拼写正确，这样是能够得分，而且只要是自己写的，就算没有很深刻的表意也能得到高分的。 23、 Explain the abbreviation B2C 参考答案： business to customer 24、 2.

15、 Please translate the following into English. 计算机不止桌面电脑和笔记本电脑。你家里的每一个角落都有计算机。比如藏在微波炉、电视机、盒式磁带录像机， DVD 播放机里面的微型电脑。甚至在小汽车里面也有使其运行更好的微型电脑。 参考答案： Computers are not just desktops and laptops. Computers are everywhere around your home. There are tiny computer inside microwave ovens, television sets, and v

16、ideocassette recorders (VCRs) or digital video disc (DVD) players. There are even tiny computers in cars to help them run better. 25、 Please translate the following into English 从前的玩具仅仅必须好玩。但现在，它们必须具有足够智能才能打动今天那些爱挑剔的孩子们。即使当你考虑到机器狗不需要被人牵着走也不需要人喂食，也还是很难解释为什么人们那么喜欢它们。今年，索尼公司推出爱宝机器狗，虽然价格比某些膝上型电脑还贵，但它在不到

17、两周的时间内就销售一空。老虎公司推出的 i-Cybie 可能比不上爱宝机器狗聪明，但它的价格是149.9 美元，要便宜多了，而且它还更伶俐乖巧。像老虎公司的大多数互动式产品一样， i Cybie能表现出各种 “情绪 “,例如恐惧，吃惊，喜悦和愤怒。最有意思的是。当 i Cybie 累了的时候（即当它的电池快没电时），它会自己朝着它的充电站走去，并让自己接上插头。我们倒想看看你是否能教你原来的玩具狗这一招。 参考答案： Once upon a time, toys just had to be fun. Now they have to be smart to impress todays de

18、manding children. Even when you take into account that robot dogs dont need to be walked or fed, its still hard to explain why people want them so badly. This year Sonys AIBO sold out in less than two weeks ,even though it costs more than some laptop computers. Tigers i-Cybie may not be as smart as

19、AIBO, but at $149.99 its a lot cheaper, and its cuter too. Like most of Tigers interactive toys, i-Cybie displays “emotions“ such as fear, surprise, happiness and anger. The best part may be that when i-Cybie is tired(i.e. when its batteries are running Low),it heads to its recharging station and pl

20、ugs itself in. Lets see you teach your old dog that trick. 26、 Explain the abbreviation MSDOS 参考答案： Microsoft Disk Operating System 27、 Explain the abbreviation RAM 参考答案： random access memory 28、 Explain the abbreviation O2O 参考答案： Online to Offline 29、 2. Please translate the following into English.

21、 病毒的一个变种是蠕虫病毒。这种破坏性程序用自我复制的信息填满计算机系统，以阻塞系统，使系统的运行减慢或停止。其中最臭名昭著的是因特网蠕虫。 1988 年，它行 遍北美，途中使成千上万的计算机瘫痪。 参考答案： A variant on the virus is the worm. This destructive program fills a computer system with self-replicating information, clogging the system so that its operations are slowed or stopped. The most

22、 infamous is known as the Internet Worm. In 1988, it traveled across North America, stopping thousands of computers along its way 30、 Explain the abbreviation CRT 参考答案： Cathode ray tube 31、 object-oriented language 参考答案： 面向对象语言 32、 Explain the abbreviation ANSI 参考答案： American National Standards Institute