计算机专业英语2008影印版-复习资料
计算机专业英语2008影印版unit_3
home software家庭软件 home suite家庭套装软件 Icons图标 integrated package集成组件 Label标签 master slide母板 Menu菜单 menu bar菜单栏 numbered list编号列表 numeric entry数值型输入 personal software个人软件 personal suite个人套装软件 Pointer指针 presentation graphic图形演示文稿 productivity suite生产力套装软件
Application software, in turn, can be divided into two categories. One category, Basic applications, is the focus of this chapter. These programs are widely used in nearly every discipline and occupation. They include word processors, spreadsheets, database management systems, and presentation graphics. 那么接下来应用软件，也可以被划分为两大类型。第一类 是基本应用软件，也是这一章的重点。这些软件被广泛地 适用于几乎任何学科和职业。它们包括文字处理器，电子 制表软件，数据库管理系统以及演示图片。
Introduction
Not long ago, trained specialists were required to perform many of the operations you can now do with a microcomputer. 不久前,执行许多工作都需要训练有素的专家,现在却可以用一个微 型计算机来完成。 Secretaries used typewriters to create business correspondence. Market analysts used calculators to project sales. Graphic artists created designs by hand. Data processing clerks created electronic files to be stored on large computers. Now you can do all these tasks—and many others—with a microcomputer and the appropriate application software. 秘书用打字机来创建商业信函。市场分析师使用计算器来做项目销售。 图形艺术家用手工创建设计。数据处理职员创建的电子文件需要存储在 大型计算机上。现在你可以通过微机和适当的应用软件做所有这些任务 -以及更多。
计算机专业英语2008影印版句子词语翻译(小抄版)
○11.Visual chapter openers and summaries具视觉效果的开篇和总结2.On the Web explorations 网络资源3.Tips 小贴士，小窍门4.Making IT work for you 为你所用5.Concept checks and review 检查6.Key terms 核心词汇7.Careers in IT 信息技术相关职业8.Procedures (指令，操作说明)9.Software (软件)10.Hardware (硬件)11.Blocking spam 垃圾邮件过滤软件12.Speech Recognition 语音识别软件13.Virus Protection and Internet Security14.网络安全软件 Tuner Cards and Video Clips电视卡和视频编辑软件16.Web Cams and Instant Messaging网络视频摄像头和即时通讯17.Music from the Internet网络音乐下载、上传和编辑18.Home Networking 家庭网络19.Spyware Removal 间谍软件移除工具20.Job Opportunities 网络就业机会搜索软件21.Operation system 操作系统22.Coordinate resources 协调资源23.Interface 提供接口24.Run applications 运行应用程序25.Utilities 公共实用程序26.Device drivers 设备驱动程序27.Browser 浏览器程序28.Microsoft Office 办公软件29.Basic application 基础应用程序itary or Government军事政府31.Research institute 研究机构32.Insurance companies 保险公司33.Mainframe computers 大型机，主机34.Supercomputers 超级计算机35.Minicomputers 中型电脑36.Microcomputers 微机个人计算机37.Desktop computer 台式电脑38.Notebook computer, laptop computers手提式、膝上轻便电脑39.Tablet PC 支持手写的平板电脑40.Handheld computer 掌上电脑41.Windows mobile 操作系统42.Electronic Dictionary 电子词典43.Palm computer 掌上电脑44.Handheld computer 手持电脑itary PDA 军用PDA46.System unit：microprocessor and memory微处理器和内存47.Input/output devices 输入和输出48.Keyboard 键盘49.Mouse 鼠标50.Monitor 显示器printer 打印机51.Secondary storage 辅助存储器pact discs (CD) 激光盘53.Digital versatile or video discs (DVD) 数字化视频光盘54.High-definition discs (HDD) 高清盘55.Document files 文字处理56.Worksheet files 工作表单57.Database files 数据库文件58.Presentation files 演示文件puter competency refers to acquiring computer-related skills-indispensable tools for today.2.Present an overview of an information system 概述信息系统3.Understand these basic parts and how connectivity through the Internet.5大组成部分及如何访问网络4.Filled out computerized forms, took computerized tests 填写电脑化的表格和考试5.People are surely the most important part of any information system. 人是信息系统中最重要的组成元素6.Our lives are touched every day by computers and information systems. 我们的生活每天都要接触计算机、信息系统分不开7.Making IT Work for You：presentinteresting and practical IT applications. 实用的信息技术应用8.Tips：suggestions ranging from the basicsof keeping your computer system runningsmoothly to how to protect your privacy whilesurfing the Web. 关于计算机运用和网上冲浪安全的提示和建议9.Careers in IT：provides job descriptions,projected employment demands, educationalrequirements, current salary ranges, andadvancement opportunities. 信息技术相关的工作puting Essentials Web site：moreinformation on the Web. 本课本相关的网络资源11.Software are the instructions that tell thecomputer how to process date into the form youwant. 软件就是指导计算机把数据转换成信息的指令12.In the most case, the words software andprograms are interchangeable. 大多时候，软件和程序的概念是可以互换的13.系统软件是应用软件和计算机硬件的中间连接件。
计算机专业英语影印版(Computing Essentials 2008)课后答案大全——第六单元Chapter 6 The System Unit
Crossword Puzzle Answers:Open Ended Questions:1.Describe the four basic types of system units.• Desktop system units contain the system’s electronic components and selected secondarystorage devices. Input and output devices are located outside the system unit.• Notebook system units are portable and much smaller and contain the electronic components, selected secondary storage devices, and input devices• Tablet PC system units are highly portable devices that support the use of a stylus or pen toinput commands and data.• Handheld computer system units are the smallest and contain an entire computer system2.Describe the two basic components of the CPU.• Control unit: tells the rest of the computer system how to carry out a program’s instructions. It directs the movement of electronic signals between memory, which temporarily holds data,instructions, and processed information, and the arithmetic-logic unit. It also directs these control signals between the CPU and input and output devices.• Arithmetic-logic unit: The arithmetic-logic unit performs two types of operations: arithmetic and logical. Arithmetic operations are, as you might expect, the fundamental math operations: addition, subtraction, multiplication, and division. Logical operations consist of comparisons. 3.What are the differences and similarities between the three types of memory?Random-access memory (RAM) chips hold the program and data that the CPU is presently processing. RAM is called temporary or volatile storage because everything in most types of RAM is lost as soon as the microcomputer is turned off.Read-only memory (ROM) chips have programs built into them at the factory. Unlike RAM chips, ROM chips are not volatile and cannot be changed by the user.C omplementary metal-oxide semiconductor (CMOS) chips provide flexibility andexpandability for a computer system. They contain essential information that is required every time the computer system is turned on.4.Identify five expansion cards and describe the function of each.• Sound cards: These cards accept audio input from a microphone and convert it into a form that can be processed by the computer. Also, these cards convert internal electronic signals to audio signals so they can be heard from external speakers.• Modem cards: These cards allow distant computers to communicate with one another byconverting electronic signals from within the system unit into electronic signals that can travel over telephone lines and other types of connections.• Network interface cards (NIC): These cards are used to connect a computer to one or more other computers. The network adapter card typically connects the system unit to a cable that connects to the network.• TV tuner cards: TV tuner cards contain a TV tuner and a video converter that changes the TV signal into one that can be displayed on your monitor.• Video cards: These cards connect the system board to the computer’s monitor, and they convert the internal electronic signals to video signals so they can be displayed on the monitor.5.Identify and describe four standard ports and three specialized ports.The four standard ports are:• Serial ports are used for a wide variety of purposes. They are often used to connect a mouse, keyboard, modem, and many other devices to the system unit. Serial ports send data one bit at a time and are very good for sending information over a long distance.• Parallel ports are used to connect external devices that need to send or receive a lot of data over a short distance. These ports typically send eight bits of data simultaneously across eight parallel wires. Parallel ports are mostly used to connect printers to the system unit.• Universal serial bus (USB) ports are gradually replacing serial and parallel ports. They are faster, and one USB port can be used to connect several devices to the system unit.• FireWire ports are as fast as USB 2.0 ports and provide connections to specialized FireWire devices such as camcorders.The three specialized ports are:• Musical instrument digital interface (MIDI) ports are a special type of serial port for connecting musical instruments to a sound card. The sound card converts the music into a series of digital instructions. These instructions can be processed immediately toreproduce the music or saved to a file for later processing.• Small computer system interface (SCSI) ports are a special type of highspeed parallel port for connecting a series of input and/or output SCSI devices to a single SCSI controller card. This arrangement allows several devices to communicate with the system unit through a single slot on the system board.• Infrared Data Association (IrDA) provide a wireless mechanism for transferring data between devices. Instead of cables, the IrDA ports from each device are directly aligned and infrared light waves are used to transmit data. One of the most common applications is to transfer data from either a handheld or notebook computer to a desktop computer.1.Writing About Technology exercise #1 Processor Serial Numbers has the studentsexplore the issue of the microprocessors containing unique serial numbers that can beaccessed by web sites to track individuals buying habits, and how it relates to personalprivacy.Web Tools1.Applying Technology exercise #2 Desktop and Notebook Computers has the students usethe Web to research different desktop and notebook options and decide which they would purchase.2.Applying Technology exercise #3 Custom System Units has the students configure acomputer online.3.Expanding Your Knowledge exercise #3 Binary Numbers has the students use the binaryconversion tool on the website to translate binary numbers to decimal and ASCII equivalents.Software Tools1.Applying Technology exercise #1 TV Tuner Cards and Video Clips has the studentsexplore the different functions of TV Tuner cards.2.Expanding Your Knowledge exercise #1 How TV Tuner Cards Work has the studentexplore the functionality and configurations of tuner cards.3.Expanding Your Knowledge exercise #2 How Virtual Memory Works explores thefunctionality of virtual memory and why operating systems employ it.Writing Skills1.Writing About Technology exercise #2 Smart Cards has the students explore the usage ofSmart Cards and how it relates to privacy issues。
计算机专业英语复习资料
Computer software system计算机软件系统Operating system操作系统Three dimensional三维Disk operating system磁盘操作系统Network operating system网络操作系统Office software办公软件Reading software阅读软件Typewriting software打字软件Antivirus software杀毒软件Download software下载软件Graphic design software图形设计软件Chatting software聊天软件Arithmetic logic unit算术逻辑单元Central processing unit中央处理器floppy disk软盘mobile hard disk移动硬盘electronic form电子表格word processing system文字处理系统device management设备管理software management软件管理file management文件管理job processing作业处理work book工作簿work sheet工作表web-camera摄像头graphical interface图形界面graphical browser图形浏览器graphical design图形设计windows operating system窗口操作系统management information system管理信息系统panda joss stick熊猫烧香hard disk硬盘mobile disk移动磁盘ROM read only memory只读存储器CPU central processing unit中央处理器USB universal serial通用串行总线PC personal computer个人计算机CD compact disk光盘3D three dimensional三维DOS disk operating system磁盘操作系统OS operating system操作系统WC water closet厕所BC Before Christ公元前ALU arithmetic logic unit运算逻辑单元RAM random access memory随机存储器DVD digital video disk数字视频磁盘VCD video compact disk视频光盘IT information technology信息技术IBM international business machines国际商用机MSN Microsoft network 微软提供的网络在线服务MOS multitask operating system多任务操作系统IS international standard国际标准EC electronic commerce电子商务CAD computer aided design计算机辅助设计An integrated computer has two parts。
计算机专业英语影印版(Computing Essentials 2008课后答案大全)第三单元Basic Application Software
Crossword Puzzle Answers:Open Ended Questions:1.Explain the difference between general-purpose and special-purpose applications.General-purpose applications are widely used in nearly every discipline and occupation. They include word processors, spreadsheets, database management systems, and presentation graphics.special-purpose applications are more narrowly focused on specific disciplines and occupations, such as graphics programs, audio and video editors,2.Discuss the common features of most software programs. Describe the new interfaceintroduced with 2007 Microsoft Office.The newest Office version, 2007 Microsoft Office, has a redesigned interface that is intended to make it easier for users to find and use all the features of an application. This new designintroduces ribbons, contextual tabs, galleries, and more.• Ribbons replace menus and toolbars by organizing commonly used commands into a set of tabs.These tabs display command buttons that are the most relevant to the tasks being performed by the user.• Contextual tabs are tabs that appear automatically. These tabs only appear when they are needed and anticipate the next operations to be performed by the user.• Galleries simplify the process of making a selection from a list of alternatives. This isaccomplished by replacing many dialog boxes with visual presentations of potential results.This new interface is the first major change in over a decade.3.What is the difference between a function and a formula? How is a formula related to what-if analysis?A formula is an instruction to calculate or process. Functions are prewritten formulas providedby the spreadsheet program that perform calculations such as adding a series of cells. If a change is made to one or more numbers in a spreadsheet, all related formulas will automaticallyrecalculate and charts will be recreated. Observing these changes is what-if analysis.4.What are presentation graphics programs? How are they used?Presentation graphics are programs that combine a variety of visual objects to create attractive, visually interesting presentations. They are excellent tools to communicate a message and to persuade people.5.What is the difference between an integrated package and a software suite? Whatare the advantages and disadvantages of each?An integrated package is a single program that provides the functionality of a wordprocessor, spreadsheet, database manager, and more. The primary disadvantage of an integrated package is that the capabilities of each function (such as word processing) are not as extensive as in the individual programs (such as Microsoft Word). The primary advantages are cost and simplicity.A software suite is a collection of separate application programs bundled together andsold as a group. While the applications function exactly the same whether purchased in a suite or separately, it is significantly less expensive to buy a suite of applications than to buy each application separately.1. Expanding Your Technology exercise #3 Shareware explores how shareware programswork and what the risks involved in using them are.2.Writing About Technology exercise #1 Acquiring Software asks the student to explorefive ways of acquiring software. And asks if it is wrong to obtain and use unauthorized software.Web Tools1.Applying Technology exercise #3 Corel WordPerfect Office Suite has the studentresearch the suite and compare/contrast it to the Microsoft Office suite. It asks thestudent to do critical thinking and decide which is better for them.2. Expanding Your Technology exercise #2 Sharing Data between Applications has thestudent research object linking and embedding. The student is asked to provide examples and be able to define the difference between linking and embedding.Software Tools1.Applying Technology exercise #1 Speech Recognition explores the technology of speechrecognition software. How it is configured and what are its uses. It asks them to writeabout the advantages and disadvantages of it.2.Applying Technology exercise #2 Presentation Graphics explores the requirements,features, and uses of a presentation graphics application found on the website.3.Applying Technology exercise #3 Corel WordPerfect Office Suite has the studentscompare and contrast the Corel Suite with the Microsoft Suite products, and asks them to choose one.Writing Skills1.Applying Technology exercise #1 Speech Recognition explores the technology of speechrecognition software. How it is configured and what are its uses. It asks them to writeabout the advantages and disadvantages of it.2.Applying Technology exercise #3 Corel WordPerfect Office Suite has the studentscompare and contrast the Corel Suite with the Microsoft Suite products, and asks them to choose one.3.Expanding Your Knowledge exercise #1 How Speech Recognition Works has the studentexplore how speech recognition could enhance applications and to describe a profession that could benefit from it.4.Expanding Your Technology exercise #3 Shareware explores how shareware programswork and what the risks involved in using them are.5.Writing About Technology exercise #1 Acquiring Software asks the student to explorefive ways of acquiring software. And asks if it is wrong to obtain and use unauthorized software.6.Writing About Technology exercise #2 Software Standards has the student explore theissue of standardization of computer software. It asks them to find out about therequirements of certifications and how compliance is handled.。
计算机专业英语(2008影印版)第七章全文翻译
第七章P181Introduction你如何获取数据到CPU？你如何获得信息？在这里，我们描述了一个最重要的地方与人的计算机接口。
我们输入文字，音乐，甚至讲话，但我们可能从来没有想过我们输入计算机进程之间的关系。
人们理解的语言，它是由字母，数字和标点符号构建。
然而，计算机可以理解只有0和1的二进制的机器语言。
输入设备基本上都是翻译。
输入设备转换数字，字母和行动的人理解成计算机能够处理的形式。
你有没有想过如何处理系统单位的信息转换成一种形式，您可以使用吗？这是输出设备的作用。
虽然输入设备转换系统单元可以处理成什么了解，转换系统的单位处理，我们可以理解成一种输出设备。
输出设备转换成字母，数字，声音，图像，人们可以理解的机器语言。
主管最终用户需要了解最常用的输入设备，包括键盘，鼠标，扫描仪，数码相机，数字化片，语音识别，和MIDI设备。
此外，他们还需要了解最常用的输出设备，包括显示器，打印机和音频输出设备。
和最终用户的需要，要注意组合的输入和输出设备，如传真机，多功能设备，互联网电话和终端。
P182What is inout?输入任何数据或由计算机使用的指令。
他们可以直接从你或从其他来源。
您提供的输入，只要您使用的系统或应用程序。
例如，当使用字处理课程一，你输入的字母和数字的形式和问题，如保存和打印文件中的数据。
所指向的项目，您还可以输入数据，并发出命令，用你的声音。
输入其他来源包括扫描或拍摄的图像。
硬件，输入设备是用来翻译，文字，声音，图像和行动的人了解该系统的单位可以处理成一种形式。
例如，使用字处理器时，您通常使用键盘输入文字和鼠标发出的命令。
除了键盘和鼠标，还有各种各样的其他输入设备。
这些措施包括指向，扫描，图像采集，数字化，音频输入设备。
Keyboard enter通过键盘输入数据，最常见的方式之一。
正如第六章所讲的，键盘转换成数字，字母和特殊字符人们理解成电信号。
这些信号发送，处理，系统单位。
2008影印版考点翻译
CHAPTER 11.SOFTWARE (P7)Software, as we mentioned(提到的), is another name for programs. Programs are the instructions(指令)that tell the computer how to process data into the form you want. In most cases, the words software and programs are interchangeable(可以互换的). There are two major kinds of software: system software and application(应用软件) software. You can think of application software as the kind you use. Think of system software as the kind the computer uses.软件，正如我们所提到的，它的另外一个名字叫程序。
程序是告诉计算机如何按照你的想法处理数据的一系列指令集。
在大多数情况下，软件和程序是可以互换。
主要有两个不同种类的软件：系统软件和应用程序软件。
你可以认为软件是你使用的那类，系统软件就是给电脑使用的那类。
2. (P11)System unit: The system unit is a container(容器) that houses(装载/收藏)most of the electric components(组件)that make up（组成）a computer system. Two important components of the system unit are the microprocessor(微处理器) and memory(内存). The microprocessor controls(控制)and manipulates(处理)data to produce information. Many times the microprocessor is contained(放置)within a protective(受保护的) cartridge(盒子). Memory, also known as primary storage(主存) or random access memory (RAM)(随机存取存储器), holds(保存) data and program instructions(指令) for processing the data. It also holds the processed information before it is output. Memory is sometimes referred to as temporary(暂时的) storage because its contents will typically be lost if the electrical power to the computer is disrupted(消失).系统单元：系统单元是一个装满许多电子组件的容器，构成一个计算机系统。
计算机专业英语2008影印版选择题的翻译加答案
CHAPTER 11、A common term that describes the combination of traditional computer and communication technologies isb. information technology一个描述了传统的计算机和通信技术结合的常见的术语B.信息技术2、Procedures are typically documented in manuals written byb. computer specialists程序一般是___在手册撰写记录的B.计算机专家3、Which of the following is an example of connectivity?a. Internet下列哪一项是连接的一个例子吗？A.互联网4、Windows XP, windows Vista, and Macintosh OS X are all examples ofb. operating systemsWindows XP，Windows Vista，和Macintosh OS X都是__的例子B.操作系统5、Because of their size and cost, these computers are relatively rare.d. supercomputers由于它们的尺寸和成本，这些电脑是比较少见的。
D.超级计算机6、The system component that controls and manipulates data in order to produce information is called thed. microprocessor系统组成，控制和操纵数据来产生信息称为D.微处理器7、A system component that translates data and programs that humanscan understand into a form that the computer can process is called a(n)c. output device一个系统组件，将人类可以理解成计算机能够处理的形式的数据和程序被称为C.输出设备8、A CD is an example of a(n)c. optical discCD是___的简称C.光盘9、If you want to communicate a message or persuade other people, you would typically use this type of software.d. presentation如果你想传达信息或说服别人，你通常会使用这种类型的软件。
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Unit 11.Operating systems are programs that coordinate computer resources,provide an interfacebetween user and the computer,and run applications. 协调计算机资源,用户和计算机之间提供一个接口,运行应用程序。
2.Device drivers are specialized programs designed to allow particular input or output devicesto communicate with the rest of the computer system. 设备驱动程序是专门的程序设计为允许特定的输入或输出设备与计算机系统的其余部分。
3.System unit:the system unit is a container that houses most of the electronic components thatmake up a computer system. 系统单元:系统单元是一个容器,房子的大部分电子元件组成一个计算机系统。
4.Optical discs use laser technology and have the greatest capacity光盘使用激光技术和具有最大的能力5.*Connectivity is the capability of your microcomputer to share information with othercomputers连接是微机的功能与其他计算机共享信息6.Procedures are rules or guidelines to follow when using software,hardware,and date.they aretypically documented in manuals written by computer professionals. 程序规则或指导方针在使用软件,硬件,和日期。
他们通常记录在手册，由计算机专业人员编写。
Unit 21.Browsers are programs that provide access to Web resources. 浏览器程序提供对Web资源的访问。
2.For browsers to connect to resources,the location or address of the resources must bespecified.These addresses are called uniform resourcce locators(URLs)浏览器连接到资源的位置或地址资源必须被指定。
这些地址被称为统一资源定位器(url)3.*FTP(file transfer protocol)is an Internet standard for transferring files. FTP(文件传输协议)是一个用于传输文件的因特网标准。
4.domain name.It is the name of the server where the resourc is located. 域名：它是服务器资源所在地的名称。
5.Applets：special programs linked to web pages;typically written in java特殊的程序链接到网页;通常用java编写的Unit 31.One of the most basic features for entering text is word wrap最基本的特性之一,用于输入文本自动换行2.The process of observing the effect of changing one ormore cells is often referred to aswhat-if analysis连线-观察的过程中改变一个或者更多的影响单元通常被称为假设分析3.The relational database is the most widely used database structure.Date is organized intorelated tables.Each table is made up of rows called records and columns called fields关系数据库是应用最广泛的数据库结构。
日期被组织成相关的表。
称为记录每个表是由行和列称为字段4.*An integrated package is a single program that provides the functionality of a wordprocessing,spreadsheet,datebase manager,and more. 一个完整的包是一个程序,提供的功能字(词)处理技术中,电子表格,数据库模块管理等等。
5.A software suite is a collection of separate application programs bundled together and sold asa group.( A software suite is a collection of individual appliation packages sold together) 软件套件是一组独立的应用程序捆绑在一起作为一个整体出售。
(软件套件是个体公司的集合包一起出售)Unit 41.Desktop publishing programs,or page layout programs,allow you to mix text and graphicsto create publications of professional quality.选择题--桌面出版程序或页面布局程序,允许您混合文本和图形创建出版物的专业品质2.*Multimedia is the integration of all sorts of media into one presentation. 多媒体的整合各种媒体为一个演讲。
3.Morphing is a special effect in which one image seems to melt into another.填空-变形是一种特别的效果,一个图像似乎融化到另一个4.*Virtual reality modeling language(VRML) is used to create real-time animated 3-D scenes虚拟现实建模语言(VRML)是用于创建实时三维动画场景Unit 51.*Device drivers are specilized programs that allow particular input or output devices tocommunicate with the rest of the computer system设备驱动程序是专门的程序,它允许特定的输入或输出设备与计算机系统的其余部分2.As we will disuss in detail in chapter8,files are stored and organized on a disk according totracks and sectors.A tracks is a concentric ring.Each track is divided into wedge-shaped sections called sectors. -chapter8中我们将详细讨论,文件磁盘上存储和组织根据磁道和扇区。
磁道是一个同心环。
每个磁道分为楔形的部分称为扇区。
3.*Network(NOS)-controls and coordinates networked computers;located on the networkserver. 计算机网络(NOS)控制和协调网络;位于网络服务器。
4.Windows is the most widely used operating system with over 90 percent of the market.填空-windows是应用最广泛的操作系统，拥有超过90%的市场份额Unit 61.the system board is also known as the motherboard.. the system board is the communicationsmedium for the entire computer system. 系统板也称为主板。
系统板是整个计算机系统的通信介质。
2.*A complementary metal-oxide semiconductor(CMOS)chip provides flexibility andexpandability for a computer system. 互补金属氧化物半导体(CMOS)芯片为计算机系统提供了灵活性和可扩展性。
3.Plug and play is a set of hardware and software standards developed byIntel,Microsoft,andothers. 即插即用硬件和软件标准是由英特尔、微软,和其他人发展起来的。
Connect连接Unit 71.The most important characteristic of a monitor is its clarity.Clarity refers to the quality andsharpness of the displayed images.填空-监视器的最重要的特征是它的清晰度。
清晰是指质量和清晰度的图像显示2.Resolution is one of the most important features.Image are formed on a monitor by a series ofdots or pixels(picture elements)填空-分辨率是最重要的一个特性。
图像显示器上形成了一系列的点或像素(图片元素)3.*Refresh rate indicates how often a displayed image is updated or redrawn on the monitor.刷新率通常表明图像更新或重新划定在监视器上显示4.Plotters are special-purpose printers for producing a wide range of specialized output绘图机是专用打印机生产范围广泛的专业输出5.Telephony is the transmission of telephone calls over computer network.Also known as V oIP.填空-拨号服务是在计算机网络电话的传播。