计算机英语实用教程课后题参考答案

课后 参考答案

unit 1

〖Ex. 1〗根据课文内容，回答以下问题：

1) It is primarily responsible for executing instructions.

2) Through the monitor.

3) All processors, memory modules, plug-in cards, daughterboards, or peripheral devices can be plugged in those sockets.

4) The binary system is used.

5) Through clever formatting.

6) They are similar to each other. ROM only cannot be altered and does not lose its contents when power is removed.

7) “Mouses ”

8) Floppy disks can be removed from their drives and hard disks can’t.

9) Because it is faster than many types of parallel port.

10) I/O Port.

〖Ex. 3〗把下列句子翻译为中文：

1）绝大部分计算机上键盘是主要的文本输入设备。

2）最常见的鼠标器顶部有两个按钮，左按钮是用得最多的。

3）Win 95 和其它操作系统让用户可以调节鼠标器的灵敏度。

4）有些系统向用户提供几种不同的光标显示方式供选择。

5）有些人用鼠标垫子提高鼠标球滚动的摩擦力。

6）右边第二个按钮通常提供一些不太常用的功能。

7）有些鼠标器厂家也为左撇子提供适用的鼠标驱动程序。

8）如今鼠标器是任何个人计算机用户图形界面不可分割的一部分。

9）键盘也包括某些标准功能键。

10）IBM 兼容机为商用机（也可用于家庭）

〖Ex. 4〗把下列短文翻译成中文

系统前面板和普通键盘有专门控制键，用户可以使用这些控制键实现主要的多媒体功能：观相片、听音乐和看电影。前面板还有为看电视和阅读电视指南而设的快速启动按钮。

〖

〖Ex. 7〗用名词做宾语将下面汉语译成英语

1. The order of access to different locations does not affect the speed of access.

2. We typically/usually store data in Ram. (or Data is typically/usually stored in Ram.)

3. The mouse can control a pointer on the screen.

4. Some keyboards have independent shift lock and caps lock keys.

〖Ex. 8〗用that 从句做宾语将下面汉语译成英语

1. You should know that you can not only read data from the disk but also write new information to it.

2. You should realize that floppies do not hold too much data.

3. Our computer teacher said that USB is much slower than Firewire.

4. I think/believe that the CPU is primarily responsible for executing instructions.

〖Ex. 9〗用疑问连词引出的从句充当宾语翻译下列各句。

1. Please say what the monitor does.

2. I wonder (want to know) why the memory can produce arbitrary rational numbers.

3. I don’t know whether all the disks can be removed from their drives or not.

4. Can you suggest where I can buy a U disk?

〖Ex. 10〗根据文章所提供的信息判断正误

1. (F) 2. (F) 3. (T) 4. (T) 5. (F) 6. (F) 7. (T) 8. (T) 9. (T) 10. (T)

11. (F) 12. (T) 13. (F) 14. (T)

unit 2

〖Ex. 1〗根据课文内容，回答以下问题：

1) Some drives are not capable of having new data written to them, such as CD-ROM or DVD-ROMs.

2）The signals or power is transmitted along the bus.

3）The are meant to perform user-defined tasks.

4）Yes, it can also demodulate analog signals and converts them to digital signals.

5）Using PCI, a computer can support both new PCI (32 bit) cards while continuing to support Industry Standard Architecture (ISA) expansion cards (16 bit).

6) To promote standards for a credit card-size memory or I/O device that would fit into a notebook or laptop computer.

7) “P & P” refers to such devices that you plug into a computer and the operating system can recognize automatically.

8) It allows PC to communicate with peripheral hardware such as disk drives, tape drives, printers, scanners etc., much faster than previous interfaces.

9) CD-ROM can store large amounts of information.

10) Because it stores the computer's operating system, files, programs and documents.

11) It sends the images to the monitor.

12) Inkjets and bubble jets can.

13) Graphic intensive users will.

14) It cannot reproduce music, sounds and voices.

15) BIOS or CMOS.

〖Ex. 3〗把下列句子翻译为中文：

1）带宽通常用每秒钟的位数来计量。

2）56K 的调制解调器每秒钟能够转换大约57,000位。

3）ISA （工业标准结构）是标准总线结构，与IBMAT 主板相关。

4）声音可以通过喇叭或耳机输出。

5）一个G 字节相当于1000个兆字节。

6）鼠标器，键盘和打印机都可以通过电缆线与计算机连接。

7）打印机电缆通常为数据的传输提供串行或并行的通道。

8）声音可以通过连接在计算机上的麦克风输入。

9）例如，打印机打印结束后就会向计算机发出中断信号。

10）声卡让你听音乐CD ，欣赏DVD 电影强烈的音响效果，录音编辑音频文件。

〖Ex. 4〗把下列短文翻译成中文

Intel 865PE 作为一个新的主流平台，尽管速度不如875P 那么快，但与以前的850E 芯片组基础上的高端性能相比，在强烈依赖内存的多媒体中及实时三维应用软件中具有极高的性能。除了低成本系统，Intel 把865系列定位为所有系统的主流平台。对于手头拮据的家庭用户和IT 用户，这提高了性能水平。而这在以前只有发烧友和低端工作站级系统才使用。

〖Ex. 7〗用动词不定式或V-ing 做宾语将下面汉语译成英语

1. I prefer to use/using the inkjet rather than the laser printer.

2. As technological improvements were made, the overall size of computers began to shrink/shrinking.

3. If you are a graphic intensive user, you can’t avoid using a scanner.

4. If you’re planning to play multimedia games, make sure you have a sound card/you have to own a sound card/your computer has to be equipped with a sound card.

5. When your monitor fails to display any character，try checking the video card.

6. There are viruses in the hard disk, which need killing/to be killed.

7. I suggest you buying a 56K modem.

8. How forgetful you are! You forgot my telling you that GB stands for gigabyte.

9. When a printer has finished printing, it sends an interrupt signal to the computer.

10. I’m planning/intending/meaning to buy a notebook rather than a desktop computer.

〖Ex. 8〗根据文章所提供的信息判断正误

1. (F) 2. (F) 3. (F) 4. (T) 5. (T) 6. (F) 7. (T) 8. (F) 9. (F) 10. (T)

11. (T) 12. (T) 13. (T) 14. (F)

unit 3

〖Ex. 1〗根据课文内容，回答以下问题：

1) It is produced in or on a small slice of silicon.

2) It is read only memory, ie. a kind of permanent memory that cannot be changed.

3) This measurement is generally used when describing the speed of computer systems.

4) It controls the data flow between the processor, memory, and the other components of the system.

5) It retains its data after the power is removed.

6) It uses a synchronous interface to do it.

7) The purpose is to ensure all communication from the chipset is collected by the clock edge, providing a controlled delay on heavily loaded memories.

8) They are nanosecond (lower is faster) and MHz(higher is faster). The former is for EDO and FPM and the latter is for SDR SDRAM, DDR, SDRAM, and RDRAM.

9) SRAM does not need to be refreshed and it retains its contents even when the main current is turned off while DRAM is a kind of volatile memory.

10) Hard drive.

〖Ex. 3〗把下列句子翻译为中文：

1）BIOS （基本输入输出系统）经常被叫做CMOS （互补金属氧化物半导体），它为计算机硬件和软

件提供了一个接口。

2）BIOS （基本输入输出系统）的配置决定了访问硬件的方式。

3）EDO 是异步动态随机存取存储器操作模式。与动态随机存取存储器相比，它改善了访问时间。

4）一级高速缓存是集成在处理器中的小型高速缓存，能够使用户快速访问最近使用过的数据。

5）校验位查看其它8位并判断它们是奇数还是偶数以及相对的是0还是1。

6）系统把8位与校验位比较。如果它们两都是奇数或偶数，数据就被认为是正确的。

7）如果一个是偶数，一个是奇数，那就出错了，一般来说系统就要无法操作。

8）PC100规范为100MHz FSB主板上的 SDRAM模块定义了需求标准。

9）PC133 SDRAM可以用在100MHz FSB的主板上，但在性能方面比不上100MHz. 上的PC100内存。

10）Rambus DRAM （动态随机存取存储器）是DRAM 跨出的革命性的一步，它使用16-18位数据通道。 〖Ex. 4〗把下列短文翻译成中文

HP 不仅设计真正桌面风格的台式笔记本电脑，而且也保持多媒体功能。它配备有3.2G 赫兹的英特尔奔腾4处理器及17英寸液晶显示器，重9.3磅。

这种笔记本电脑的17英寸的宽屏幕液晶显示器使用户更具条件看电影，编辑相片或看电视。DVD+RW驱动器使你的家庭影院成为现实。只能在插上电源线时做这些，因为电池寿命不允许计算机长时间地断开电源线。

〖Ex. 5〗指出句中斜体单词的词性并将句子译成汉语

1. 杰米高兴得眼睛瞪得圆圆的。

2. 那是水通过这个机械装置推动轮子旋转的。

3. 突然小偷消失在角落里。

4. 布鲁诺在第二轮就被淘汰。

5. 詹妮收圆嘴唇给他一个飞吻。

6. 这位专家在开发数据库方面取得了很好的成绩。

7. 他小心走路以防把鞋弄湿了。

8. 能吃的水果都吃了，不能吃的都做成罐头。

9. 在过去的两年里，微软远离智能卡操作系统，因为该公司认为，智能卡操作系统是一种授权技术，不是未来操作系统的关键部分。

10. 你愿意发一个email 给我，把情况跟我说说吗？

〖Ex. 6〗用双宾句型把下面汉语句子译成英语

1. The two sons of his abroad send him emails/email to him every day.

2. Can you find the Office 2000 CD for me/me the Office 2000 CD?

3. The instructor reminded me that the computer couldn’t be booted up because there was a non-system disk in the floppy drive.

4. The computer teacher tells us that without software instructions, the computer doesn ’t

know what to do.

5. You can inform by telephone when you can come to help me to reinstall Windows 2000.

6. Please show me how to kill viruses in the memory.

〖Ex. 7〗根据文章所提供的信息判断正误

1. (T) 2. (T) 3. (F) 4. (T) 5. (T) 6. (F) 7. (T) 8. (F) 9. (T) 10. (T)

unit 4

〖Ex. 1〗根据课文内容，回答以下问题：

1) An operating system is such a program that manages a computer’s resources.

2）It stands for Microsoft Disk Operating System.

3）No. It is only semi-compatible with MS-Windows.

4）If the program is written in Java, it can be run on different platforms.

5）The text appears at the cursor on the screen.

6) A database can make common retrievals easy and efficient.

7) Yes, it can.

8) His or her job is to write computer programs.

9) We can say “execute a program”.

10) We can use “instruction ”, “application ”, “app ”, “software ” and even “code ” instead.

11) It referred to the capability to working with and integrating various types of things, including audio and video.

12) Such a system is capable of running multiple things at once with less of a performance hit.

〖Ex. 3〗把下列句子翻译为中文：

1）CP/M 既可以在Z80运行，也可以在x86机器上运行。

2） “Bug ”表示设计方面的错误，尤其是指编写软件方面的错误。

3）如果错误确实很严重的话，就会导致相关的东西崩溃。

4）计算机信息储存的格式实际上能够达到数百种。

5）ASCII 字符集在一般使用中最为流行。

6）普遍使用的文字处理软件包括MS-Word 、WordPerfect 、StarOffice Write、AppleWorks Write以及GeoWrite 。

7）如果程序中的问题十分严重，该程序就有可能会终止，或者不重新启动就无法操作。

8）FAQ 文件的宗旨是就某个主题给所有用户经常提出的问题提供答案。

9）同时请注意，ASCII 字符集是统一字符编码标准集的一个子集。

10）计算机信息可以通过不同的计算机类型进行交换，条件是两种计算机能够解释所用的格式。 〖Ex. 4〗把下列短文翻译成中文

要购买高端三星SyncMaster 171N 就要多支出，但它不会使你失望。这种620美元的液晶显示器名符其实，显示的图像比这儿任何一种品牌都棒，其对比度比一般17英寸的显示器高出40 %。在第三年的评比中，三星显示器赢得了Editors' Choice（编辑选择产品）。

〖Ex. 7〗用形容词或to be + 形容词做宾补的句型把下面汉语句子译成英语

1. We believe/consider/think/hold this kind of keyboard reader (to be) cheap, portable and easy to use.

2. We found a system with more than one processor capable of running multiple thins/programs/applications at once.

3. The noise from the factory nearby are driving the people living here mad.

4. It gave me great pleasure to prove the system (to be) successful. It made me delighted to prove the system (to be ) successful.

5. Compact discs cannot be modified, and that makes viral infection of a CD impossible. 〖Ex. 8〗用名词或to be + 名词做宾补的句型把下面汉语句子译成英语

1. We choose this kind of computer (to be) the server of our website.

2. “Directory ” is also called “folder ”.

3. The court judged her (an) innocent (person) and set her free.

4. Jason Wright was appointed VP of Frost & Sullivan.

〖Ex. 9〗根据文章所提供的信息判断正误

1. (F) 2. (T) 3. (F) 4. (T) 5. (T) 6. (F) 7. (F) 8. (T) 9. (T) 10. (F)

unit 5

〖Ex. 1〗根据课文内容，回答以下问题： 1) All the languages except assembly language and machine language.

2）In general, higher-level languages can be either interpreted or compiled

3）Assembly language is essentially machine language that has had some of the numbers replaced by somewhat easier to remember mnemonics in an attempt to make it more human-readable. Or Machine language dressed up with mnemonics to make it a bit more human-readable is called assembly language.

4）It is a program that converts assembly language to machine language.

5）The biggest problem with BASIC is portability.

6) Java is.

7) Because it is the primary language for web applets.

8) Portability and ease to use is the primary purpose for Java.

9) In military software.

10) New types of software bugs will be created.

〖Ex. 3〗把下列句子翻译为中文：

1）公共商业导向语言是1959年开发的语言，现如今仍被某些公司使用着。

2）C++基于C 语言，其速度与C 语言不分上下，经常被认为是增添了某些特性的C 语言。

3）Perl 是一种解释语言，广泛使用于网络程序。

4）JavaScript 是一种内置于浏览器的解释语言，提供相对简单的手段，给网页增加互动性能。

5）Lisp 代表list processing，是世界上第二早（老）的计算机语言。Lisp 是1959年开发的，但只过几个月其名字就换成了FORTRAN 。

6）Logo 是Papert 1966年设计的解释语言，它是帮助人们（尤其是孩子们）学习计算机编程概念的工具。

7）Logo 使用一种专门的叫作“海龟”的图象光标，因此Logo 有时候被称作“海龟图象”。

8）Logo 的移植性能好，但不是特别快。

9）曾有人试图实现语言的标准化，标准化版本叫作Common Lisp。

10）JavaScript 与Java 毫不相干（尽管里面有Java 这个名字）。

〖Ex. 4〗把下列短文翻译成中文

佳能打印机有五种样式，价格从$80 到 $500不等，满足了任何想打印相片用户的需求。对于个别不常用的用户，可以选用佳能i455和i475D 桌面相片打印机。对于性能要求更高，每种颜色要使用分开的墨盒的用户可以选择中档的i560和i860。对于专业照相师，可以使用i9100相片打印机，它能够打印13 X 19英寸的大相片。

〖

〖Ex. 7〗把下面汉语句子译成英语（带to 的不定式做宾补的句型）

1. We can use different languages to complete different tasks.

2. Assembly language allows us to read and remember somewhat easier.

3. The authoring system of BASIC enables it to be relatively easy to use.

4. I recommend you to use C language because it is supported on many platforms.

〖Ex. 8〗把下面汉语句子译成英语（不带to 的不定式做宾补的句型）

1. I often see him bring a hand-held computer with him on business.

2. This program can help you type the phonetic signs.

3. My parents do not let me always play electronic games.

4. The teacher made the students write an experiment report in detail. (or write a detailed experiment report)

〖Ex. 9〗根据文章所提供的信息判断正误

1. (F) 2. (T) 3. (T) 4. (T) 5. (F) 6. (F) 7. (T) 8. (F) 9. (F) 10. (F)

unit 6

〖Ex. 1〗根据课文内容，回答以下问题：

1) No, it is a program.

2) It stands for Graphical User’s Interface.

3）No, usually it needn ’t. The dialogue box usually has options or names for you to choose what to do.

4）We can find icons for most functions of hardwares. (We can view many of Window’s

settings.)

5）No. It is a file in Windows 95, containing details of how your computer is set up, and all the programs stored on the hard dis.

6) Windows 3.1 was born first.

7) Because it is made to run on top of MS-DOS and will not do anything without MS-DOS on the system.

8) Windows 98 is designed to replace Windows 95 and Windows ME is the planned replacement for Windows 98. Windows XP is planned to replace both Windows ME and Windows 2000.

9) Windows NT.

10) No. It’s wrong. Windows XP can only run on the x86 processor.

〖Ex. 3〗把下列句子翻译为中文：

1）Windows 3.1只能在x86系列处理器计算机上运行。

2）Windows CE是MS-Windows 是轻便种类。

3）Windows CE可以在几种不同的处理器上运行，包括x86系列以及几种安装在PDA （个人数字助理）上的、嵌入式系统的和手持设备上的处理器。

4）UNIX 功能强大，它完全是多任务的，能够完成所有操作系统所能做的事情。

5）Linux 可以免费下载，也可以花费少量服务费用购买Linux 光盘。

6）Linux 也可能比任何操作系统都适合更多的硬件组合。

7）人们甚至成功地使Linux 在PDA （个人数字助理）上运行。

8）Linux 速度快、性能稳定且价格便宜，因此它受到因特网服务提供商、软件开发商和类似家庭计算机嗜好者的欢迎。

9）到年底，最大容量台式PC 机硬盘的转速将达到每分钟5400转。

10）我推荐个人使用CD-R 作为自己主要的备份工具。

〖Ex. 4〗把下列短文翻译成中文

近几年硬件驱动器给予以往的摩尔定律以沉重打击。每18个月微处理器的产量相对晶体管翻一翻（处理能力差不多翻了一翻），而驱动器以及其它种类的存储设备每10个到每12个月就能够翻一翻。

〖

〖Ex. 7〗用带v-ing 或v-ed 做宾补的句型把下面汉语句子译成英语

1. He heard DVD played in the next-door.

2. Li Ping’s father caught/discovered him playing games in the net bar.

3. Viruses can have/get the computer crashing/breaking down immediately.

4. This program is out of date but please leave it functioning/working for the time being.

5. I like the screen background made blue.

6. There is something wrong with the operating system of the computer. Please have its hard disk formatted.

7. You’d better see/watch the program installed.

8. Believe it or not, with a scanner you needn’t have articles in English typed.

9. To get data and instructions moving among the various components of the system, the computer needs a data bus.

10. Clicking on an executable file will start the program running.

〖Ex. 8〗根据文章所提供的信息判断正误

1. (T) 2. (F) 3. (T) 4. (F) 5. (F) 6. (T) 7. (F) 8. (T)

unit 7

〖Ex. 1〗根据课文内容，回答以下问题：

1) No. It can also refer to the physical wire etc. connecting the computers.

2) Such as Ethernet, ATM and FDDI.

3) LAN is a network typically within a single room or building while WAN connects computers in different cities or countries.

4) It must reach the digital rate above 64 Kbps.

5) No. It also amplifies the carrier signal and accepts data packets and forwards them.

6) Possibly it is the light form.

7) It can connect two similar networks with the same network protocol.

8) It refers to simultaneous transmission of data in both directions.

9) Enormous capacity, low-cost, low-power consumption, small space, lightweight, insensitivity to electromagnetic interference characterize this transport media.

10) No. The packet is organized for transmission so it also consists of certain control information, including the destination address.

11) They are called the branches or leaves.

12) Hub is the generic name for a device at which several or many connections meet, so such as repeater, concentrator switch, router or star network all have hubs.

13) The twists are important: they give it electrical characteristics which allow some kinds of communications otherwise not possible.

〖Ex. 2〗根据下面的英文解释，写出相应的英文词汇（使用学过的单词、词组或缩略语）

〖Ex. 3〗把下列句子翻译为中文：

1）“因特网用具”这个术语经常与NC （网络计算机）互换使用。

2）光纤技术提供了极快的传输速度。

3）单模光纤主要用于长距离传输（超过10公里），并用激光馈送信号。

4）光纤分布数字界面是一个点对点协议，但通常用于令牌结构（SAS ）或双令牌(DAS)配置。

5）文件服务器一般具有很大的输入和输出带宽，快速网络接口，大容量的储存器。

6）以太网也有扩展版本，其速度为每秒100兆位，叫做100baseT （也叫做“快速以太网）。还有自动交换的连接，叫做10/100baseT。

7）在光波应用中，因为频率特高，采用毫微米(十亿分之一米) 为单位测定其波长。

8）信息包通过不同的电路路径传送。

9）首先，AD-8000是一种消费者电子装置，而不是计算机外围设备。

10）把DVD 拷贝到CD 只需按一个按钮，这种设置使得操作不麻烦。

〖Ex. 4〗把下列短文翻译成中文

不要被它的名字哄骗了。Aspire Digital（渴望数字）AD-8000 DVD/DVR（零售价为530美元）并非是DVD 记录器，但它是一个强大的双重驱动的DVD 播放器和CD 记录器。是的，它能够录像，但必须在可录可写的CD 上，采用VCD 或SVCD 格式。它可以读你所听到过的任何种类的音频和视频CD ，包括柯达Photo CD和MP3，还有DVD 。

〖

〖Ex. 7〗用副词或介词短语做宾补的句型把下面汉语句子译成英语

1. If you want to copy files into the floppy disk you must first insert it into the floppy drive.

2. All processors, memory modules, plug-in cards, daughterboards etc. are connected to sockets in the

motherboard.

3. We typically store data in RAM.

4. We can build the ability of multitasking into the software.

〖Ex. 8〗用as 或for 介词短语做宾补的句型把下面汉语句子译成英语

1. The speed of Java is considered as secondary to portability and ease of use. 3. Linux is characterized as fast, reliable, stable, and inexpensive, which is popular with all the users.

4. Windows 95 is often mistaken for a full operating system.

5. The experts rated this program as poor.

〖Ex. 9〗根据文章所提供的信息判断正误

1. (T) 2. (T) 3. (T) 4. (F) 5. (F) 6. (T) 7. (T) 8. (F) 9. (T) 10. (F)

11. (F) 12. (T)

unit 8

〖Ex. 1〗根据课文内容，回答以下问题：

1) Can an intranet be connected to the Internet? How?

Yes, it can be done via gateways.

2）A hypertext contains pointers to other regions of hypertext documents.

3）It stands for the World Wide Web.

4）No, it can also refer to a web page a specific file is on or a user’s email address.

5）It means copying a file from one computer system to another or requesting a file from another computer from the Internet user’s point of view.

6) It is sent through a modem and telephone line connected to a computer.

7) The words or icons of a link are usually highlighted. The link will take the user to related documents or sites.

8) It can connect you directly to the Internet.

9) It’s a software.

10) It can get converted into a real Internet address by the means of DNS.

11) It stands for Graphical User Interface.

12) It has the built-in ability to understand it.

13) It stands for hypertext transfer protocol. It is most typically used to transfer HTML formatted files.

14) URL stands for a uniform resource locator and it is basically just an address for a file that can be given to a browser.

15）The local label first and the top domain last.

16) Yes, it does. The two portions are a network one and a host one respectively.

〖Ex. 3〗把下列句子翻译为中文：

1）每一个公告牌都包含一个主题让网友们参与讨论。

2）公告牌有时候被称作计算机讨论会。

3）CGI （公共网关接口）是在网络服务器下运行外部程序，或运行网关的界面。

4）“网关脚本”通常是服务器和在系统上运行的其它程序之间的链接。

5）CGI 脚本通常是用PERL 或C 程序语言写成的。

6）要通过因特网拷贝文件，最为普通的办法之一就是利用文件传输协议。

7）大部分FTP （文件传输协议）程序有两种运作模式:ASCII和二进制。

8）通过ASCII 运作模式传送ASCII 文件更加干净利索，效率也更高。

9）集成服务数字网络线路可以简单地看作是数字电话线路。

10）用户只要点击主页上的超文本链接就能自动与全世界的因特网服务相连。

〖Ex. 5〗采用添加或变换适当后缀的方法把左栏中的单词变成相应的形容词填写在右栏内，并将

〖Ex. 6〗把下面句子改写成被动的主动宾补结构的句子

1. Windows 2000 was supposed to replace Windows 98.

2. Windows XP is believed to be the merger between Windows NT and Windows 98.

3. Java is thought to be language both fairly lightweight and extremely portable.

4. Those love poems were believed to have been composed by an English poet of the sixteenth century.

5. The scanned document is expected to be easily turned into a word file.

6.The home screen will be expected to (be able to) deliver video, text and sound quickly and easily.

7.Multitasking computers are often said to be capable of running multiple programs in parallel.

〖Ex. 7〗根据文章所提供的信息判断正误

1. (F) 2. (F) 3. (T) 4. (F) 5. (T) 6. (F) 7. (T) 8. (T) 9. (F) 10. (T)

11. (F) 12. (T) 13. (F) 14. (F) 15. (T) 16. (T) 17. (F) 18. (T) 19. (T)

20. (F) 21. (F) 22. (T) 23. (T) 24. (T)

unit 9

〖Ex. 1〗根据课文内容，回答以下问题：

1) Most general-purpose computers are desktop systems. Mine is naturally also a desktop system.

2) A workstation is an industrial strength desktop.

3) Yes, it is right. If it is not text, it is graphic.

4) No. It can modify anything that can be easily moved from one type of computer to another.

5) All computer data can be represented by binary numbers.

6) Data that is not meant to be interpreted through a common character set (like ASCII) is typically called binary data.

7) It will result in corruption and loss of data.

8) This is because series of bits can represent binary numbers.

9) It is typically eight bits.

910) GB is roughly 10 bytes.

11) It’s computer-readable.

12) A compiled one, because time was pre-spent in the compilation phase.

13) A compiler is a program that compiles other programs.

14) A driver is a piece of software that works with the OS to control a particular piece of hardware while a drive (can also be referred to as disk drive) is a piece of equipment in a computer system that is used to store information or to pass information to or from a disk.

15) Yes, it is. This is because its author is also generally a user.

16) The logic only holds true within a given type of processors. Different types of processors are capable of doing different amounts of work within a cycle. For a current example, either a 200 MHz PowerPC or a 270 MHz SPARC will outperform a 300 MHz Pentium.

17) Parallel connections are by their nature more expensive than serial ones, but usually faster than serial ones.

18) The firewall can separate a network into two or more parts for security purpose.

〖Ex. 3〗把下列句子翻译为中文：

1）设计的原意是想携带方便，但实际搬运时并不特别理想。

2）人工智能是这样的一个理念，就是本来需要通过人的思维做的事情由计算机来完成。

3）2000年的“我爱你”病毒有类似的破坏效果。

4）奇偶校验是给那一组位再添加一位以检测出现的错误。

5）系统将这八位与奇偶校验位进行比较。

6）例如，当打印机完成打印后，它就会给计算机发出一个中断信号。

7）布尔代数是以两个数字为基础的数学。

8）所谓共享软件实际上是赢利软件，只不过在销售之前有一个试用期。

9）计算机病毒从一台计算机传到另一台计算机，就如生物病毒从一个人传染到另一个人一样。

10）早期的计算机病毒是随附在常用软件，如大众游戏或文字处理程序上的一些编码。

〖Ex. 4〗把下列短文翻译成中文

计算机病毒非常神秘，因此会引起我们的关注。一方面，病毒让我们意识到我们是多么的脆弱。一种设计巧妙的病毒居然能够对全世界的因特网产生巨大影响，真是令人惊讶。另一方面，计算机病毒也表明我们人类变得非常复杂并且相互连接密不可分。

〖Ex. 6〗采用添加或变换适当后缀的方法把左栏中的单词变成相应的动词填写在右栏内，并将其

〖Ex. 7〗用主系表结构的句型下面汉语句子译成英语

1. Higher-level languages can be either/both interpreted or/and compiled

2. The function of a driver is to control the run of a piece of hardware.

3. Different types of processors are capable of doing different amounts of work within a cycle.

4. Multitasking has been in use since the late sixties / early seventies of the 20 century.

5. USB proved/turned out to be much faster than many types of parallel port.

6. The fact is that most online services have their own browsers.

7. The problem is whether or not the software will satisfy the user's needs.

8. Most virus creators seem not to know that what they did does so big damages to so many users.

〖Ex. 8〗根据文章所提供的信息判断正误

1. (F) 2. (T) 3. (F) 4. (T) 5. (T) 6. (F) 7. (F) 8. (T) 9. (F) 10. (F)

unit 10

〖Ex. 1〗根据课文内容，回答以下问题：

1) If the computer is already running and you want to restart it, it is more often called

“rebooting ”.

2) When you press a mouse button in rapid succession, it is referred to as a “double-click ”.

3) A notebook is a small laptop with similar price, performance and battery life.

4) “MS-Word ” processor is a kind of WYSIWYG program.

5) The chat room online allows users to communicate with each other about an agreed-upon topic in “real time”.

6) It is created in a scripting language called Active Server Pages. Such a web page is created dynamically and has database function.

7) You can copy it on a floppy disk, a zip disk, or on CD-ROM.

8) On a CD-R we can record data, but once only.

9) On CD-RW we can record data over and over again like on a floppy disk while on CD-R data can be recorded only once.

10) DVD, ie. Digital Video Disk which can store large amounts of data on one disk.

11) The user can temporarily copy chunks of text, data, graphics, or pictures into the clipboard. Once there the item can be pasted into another part of a document, or transferred to any other application.

12) No, it can’t. It has to be extracted.

13) You have to use a utility such as PKZip or WinZip.

14) They are made by the manufacturer which will remain in place unless you decide to change them.

15) We will use credit cards, shopping trolleys, forms, and secure servers.

16) It will start running.

17) It can identify a command or a file.

18) It is used to gain access to a locked system.

19) Typically a "Portal site" has a catalog of web sites, a search engine, or both. A Portal site may also offer email and other service to entice people to use that site as their main "point of entry" (hence "portal") to the Web.

20) Because it is duplicating itself in a subtle way.

〖Ex. 3〗把下列句子翻译为中文： 1) 文件的扩展名通常是.mpg 。

2) 光学字符识别软件是一个软件，它能够把扫描的图象或录入的文件转换成纯文本文件，这样便于文字处理器阅读。

3) PHP（超文本预处理器）是一种用来开发动态网页网站的脚本语言。

4) CSS（层次式样表）相对较新，因此老一些的浏览器对它支持不好（甚至根本不支持）。 5) 文字处理器文档包括常用的.doc 和.txt 文件。 6) 扩展名为.gif 和.jpg 的文件通常包含图像。

7) Applet是一种小型Java 程序，能够嵌入超文本标识语言网页。 8) 数码相机看起来和操作起来跟普通相机类似，差别就是不用胶卷。 9) 许多数码相机除了本身的内存外还提供额外的存储器。 10) 与真正的相机相比， 目前数码相机的分辨率和调色板都差一些，但通常对于电脑程序来说方便多了。

〖Ex. 4〗把下列短文翻译成中文

NSP（名字服务）协议支持好几个生产率程序，这些程序驻留在远程用户机上，它们需要安全套层协议通道以及后端连接，包括微软Outlook 。但这种支持需要Netilla 的虚拟适配器（客户应用程序）。用户首次使用安全套层协议通道设置时，该适配器程序会自动下载。

〖Ex. 6〗将下列缩略语按照initialism 和acronym 的标准进行分类，（处于两者之间属于第三类）写出它们的全名并翻译成汉语

〖Ex. 7〗分析下列划线部分的句子结构，包括非谓语动词的结构

1. (1)为主系表结构，what 引导的主语从句和表语从句均是主动宾结构 (2)主动宾结构，动词不定式充当宾语

2. 主动宾补结构，动词不定式充当宾补

3. 动宾补结构，形容词比较级more manageable和quicker to download做宾补。 4. 主动宾补结构，v-ing 充当宾补。

5. 动宾补结构，use sth as，as 介词短语做宾补。 6. 动宾补结构，名词a desktop做宾补。 7. (1)主动宾补结构，即mean sb./sth to do sth. 的被动语态。（2）主动宾补结构（主语是data ），refer to sth/sb. as …， as介词短语做宾补。

8. 动宾补结构，不带to 的不定式seem larger做宾补，而seem larger本身是系表结构。 9. 主动宾补结构的被动语态，convert sth./sb. into …为介词短语做宾补。

10. 主动宾补结构，两个不带to 的不定式play chess和recognize handwriting and speech做宾补。

〖Ex. 8〗根据文章所提供的信息判断正误

1. (T) 2. (F) 3. (T) 4. (T) 5. (T) 6. (F) 7.(T) 8. (F) 9. (T) 10. (F) 11. (T) 12. (F) 13. (F) 14. (T) 15. (T) 16. (F) 17. (T) 18. (T)