计算机专业英语Unit 3
计算机英语教程unit 3
这些连接器经常被整合在一个内部迷你PCI卡上，这样就
可以使PC卡槽用于其它外围设备。
Notes
[5] If you are not an advanced user, it is worth
paying a little extra to extend the warranty to three years. 本句所用的句型是be worth doing sth.，意思是“值得做 某事”。 本句意为： 如果你不是一个高水平的用户，则值得多花一点钱把保修 期延长到三年。
凭经验的方法
究
weight class 重量级 thin-and-light 轻便的
mini-PCI card
power-saving
迷你PCI卡
节电的，省电的
Abbreviations
AC (Alternating Current)
MAHR (MiuiAmpere HouR) r/min (Revolutions Per Minute)
handy jog dial
内存棒轻便转盘源自online support center 在线支持中心
24/7 phone support
每周7天，每天24小时的电话服务
Phrases
rule of thumb
absorb shock 减震 be picky about sth.对……吹毛求疵,对……好挑剔，对……过分讲
合句。本句可改写为：If we throw in the enormous 1.4-pound
AC adapter, the total travel weight will rise to a ponderous 9.7 pounds . 本句意为： 如果装入这个巨大的重1.4磅的交流电适配器，其旅行总重量将高 达9.7磅。
《基于新信息技术的计算机英语》unit3operatings
《基于新信息技术的计算机英语》unit3operatings摘要：I.引言- 介绍计算机英语的概念- 强调学习计算机英语的重要性II.计算机英语的起源和发展- 计算机英语的起源- 计算机英语的发展过程III.计算机英语的分类- 硬件英语- 软件英语- 网络英语IV.计算机英语的应用领域- 计算机科学领域- 信息技术领域- 商业领域V.学习计算机英语的方法- 学习计算机英语的基本原则- 推荐的学习资源和工具- 实践计算机英语的方法VI.结论- 总结计算机英语的重要性- 鼓励学习计算机英语正文：随着科技的快速发展，计算机英语已经成为了现代社会不可或缺的一部分。
计算机英语，顾名思义，是指与计算机相关的英语词汇和术语。
它在计算机科学、信息技术和商业领域等方面有着广泛的应用。
学习计算机英语不仅有助于提高我们的专业素养，还能拓宽我们的国际视野。
计算机英语的起源可以追溯到20 世纪40 年代，当时计算机刚刚问世，相关的英语词汇和术语开始逐渐形成。
随着计算机技术的不断发展，计算机英语也得到了迅速的推广和应用。
如今，计算机英语已经成为了国际通用的一种语言，为全球范围内的信息交流和技术合作提供了便利。
计算机英语可以分为硬件英语、软件英语和网络英语三个部分。
硬件英语主要涉及计算机硬件方面的词汇，如处理器、内存、硬盘等；软件英语则涉及计算机软件方面的词汇，如编程语言、操作系统、应用软件等；网络英语则涉及计算机网络方面的词汇，如互联网、局域网、网络安全等。
计算机英语在许多领域都有着广泛的应用。
在计算机科学领域，研究人员需要使用计算机英语来撰写论文、报告和交流研究成果；在信息技术领域，计算机英语被用于开发软件、配置网络设备以及解决技术问题；在商业领域，计算机英语在市场营销、客户服务和项目管理等方面也发挥着重要作用。
学习计算机英语并非一蹴而就的事情，需要我们遵循一定的学习原则，并付出时间和努力。
首先，学习计算机英语要遵循从易到难、从基础到专业的原则，逐步扩大知识面。
Unit Three Computer Software 计算机专业英语课件
Unit Three Computer Software
Unit Three Computer Software
• 本单元主要介绍计算机相关软件知识，软 件主要包含系统软件和应用软件两大类， 本单元着重介绍了常用的操作系统如 windows,Linux，及他们之间的比较，并 介绍了最新windows7的有关知识。
Unit Three Computer Software
• Passage One System Software • Passage Two Application Software • Passage Three Comparisons of Various Operating
System • Passage Four Windows 7 Operating System:
• Windows：Windows gets its name because of its ability to run multiple applications at the same time, each in its own window. Windows offers graphical user interface (GUI), presents the user with graphic images of computer functions and data. It provides a standard mechanism for copying or moving information from one program to another. This mechanism, called the clipboard, means that information created in one context is instantly reusable in another, you don't need to reenter information or work with clumsy datatransfer utilities. Windows：之所以称为窗口是因为它具有能同时运行多个
计算机英语unit3
Task 10 Terminologies and Words 1 Analog (analogue): 模拟的 describing a smoothly varying signal that has no
Administration, the national government communications organization of many countries. 5 telecommunication电信,[长途, 远距, 远程]通讯 6 telecom =telecommunication 电信
4.Download: 下载
send programs or data from a central computer to a remote terminal or PC.
5.Conference:
a computer-based system enabling users to participate in a jount activity despite being separated in space or time.
批注本地保存成功开通会员云端永久保存去开通
Unit Three Online Services
Task 2
Terminologies and Words 1.online, on-line: 在线
used of computer services that are accessed from a terminal interactively
2.online service: 在线服务
a public database or bulletin board which can be accessed over a computer or telephone network.
课件11：Unit 3 Computers
arising
arisen
downloading downloaded
mopping mopped
①be meant to do sth.“目的是做某事”。 ②a calculating device“计算装置；计算工具”。 ③signal to sb.“向某人示意或发信号”；signal (to) sb.to do sth.“示意某人做某 事”。 ④with new apps arising“随着新应用的出现”，是 with 的复合结构。 ⑤arise from/out of...“由……引起/产生”。 ⑥it is calculated that..“. 据估算”；be calculated to do sth.“打算或计划做某事”。
她是一个聪明的姑娘，我们都喜欢她。 She is so clever a girl that we all like her. She is such a clever girl that we all like her. So clever is she a girl that we all like her. Such a clever girl is she that we all like her.
6. explore vt.& vi. 7. type n.
vt.& vi. 8. goal n. 9. network n. 10. appearance n.
探索；探测；探究 类型 打字 目标；目的；球门；(进球)得分 网络；网状物 外观；外貌；出现
11.character n. 12. signal vi.& vt.
Unit 3 Computers
◆默写单词 1. technology n． 2. solve vt. 3. reality n. 4. personally adv. 5. total adj.
计算机英语 unit3 Computer Network Lesson1 Recoginizing Network
across
.
a. vocie b. telephone lines c. client
调制解调器能让计算机通过电话线进行通信，这种 通信既包含语音信号，也包含数据信号。
A
1. network interface card 2. system unit 3. center node 4. expansion card
a. 中心节点 b. 网络接口卡 c. 扩展卡 d. 系统单元
B
1. The server and client computers are both connected to
portable [ˈpɔːtəbl] 便携式的 arrange [əˈreɪndʒ] 安排，排列
New Words and Phrases
designate [ˈdezɪɡneɪt] vt. 指派，委任 node [nəʊd] n.节点 locate [ləʊˈkeɪt] vt.找出，指出，位于 wireless router 无线路由器 network interface card 网络接口卡
B
P 39
1. The customer has set up his home network. 2. The customer has the necessary devices to set up a network.
Yes No Yes No
3. Mary knows how to choose the type of the network. 4. The wired network is better to the customer.
Unit 3
Computer Network
计算机网络
Goal
计算机英语实用教程(第三版)课件-unit3
计算机英语实用教程
（第三版）
Unit 3 Memory
退出
New WordsNew Βιβλιοθήκη ordsNew Words
New Words
Phrases
Phrases
Abbreviations
Notes
Notes
Notes
Notes
Text A参考译文
Text A参考译文
Text A参考译文
Text A参考译文
Text A参考译文
Exercises
请做课后练习 答案在第二版的附录中
推荐参考图书
《计算机英语教程》，北京，人民邮电出版社：国家级十五规划教材 《电脑英语掌中宝》，南京，东南大学出版社：获“华东地区大学出版社教材专著二等奖” 《计算机专业英语教程》，北京，高等教育出版社 《电子商务专业英语教程》，北京，高等教育出版社 《电脑英语五周通》，西安，西安电子科技大学出版社 《电脑英语词汇通》，北京，人民邮电出版社 《计算机实用英语》，西安，世界图书出版公司 《计算机专业英语教程》，北京，清华大学出版社 《电子商务专业英语教程》，北京，清华大学出版社 《信息管理专业英语教程》，北京，清华大学出版社 《电气工程专业英语教程》，北京，清华大学出版社 《电子商务专业英语实用教程》，杭州，浙江大学出版社 《计算机专业英语教程》，北京，科学出版社 《饭店酒店管理专业英语教程》，北京，清华大学出版社 《法律专业英语教程》，北京，清华大学出版社 《旅游专业英语教程》，北京，清华大学出版社 《大学英语听说新体验（带mp3光盘）》，杭州，浙江大学出版社 《大学英语学习指南》，北京，外语教学与研究出版社 《大学体验英语学与练》（丛书，四册），天津，南开大学出版社 《大学体验英语词汇通》，天津，南开大学出版社
新编计算机专业英语3、选择填空
1 三、选 择 填 空Page 49 Unit 3 program interface system user storage classify unauthorized control document efficiently function detect internal security password input Operating Operating system system system for for for micro, micro, micro, mini, mini, mini, and and mainframe mainframe computers computers computers perform perform perform many many many services. services. services. These These services can be classified either as “external ”or “internal ”. The operating system provides external services that help users start programs, manage stored data, and maintain security. You, as the computer user, control these external functions. Using a command-line, menu-driven, or GUI user interface , an operating system provides you an operating system provides you with a way to select the programs you would like to use. The operating system also helps you find, rename, and delete documents and other data stored on disks or tapes. On many, but not all computer systems , the operating system helps you maintain security by checking your user ID (用户标识) ) and and password , , as as as well well well as as as protecting protecting protecting your your your data data data from from unauthorized access access and and revisions (修改). The The operating operating operating system system system provides provides internal services “behind behind the the the scenes scenes ”to to ensure ensure ensure that that that the the computer computer system system system functions functions efficiently . . These These These internal internal internal services services services are are are not not not generally generally generally under under under your your control , , but but but instead instead instead are are are controlled controlled controlled by by by the the the operating operating operating system system system itself. itself. itself. The The The operating operating operating system system system controls controls input and and output, output, allocates (分配) ) system system system resources, resources, resources, manages manages manages the the storage space space for for for programs programs and data, and detects equipment failure without any direction from you. Page 70 Unit 4 convert high-level execute processor interpreter send understand command accomplish code resulting run compile create process file A A programming programming programming language language language provides provides provides the the the tools tools tools a a a programmer programmer programmer uses uses uses to to create software software and and produce a lengthy list of instructions, called source code ,which defines the software environment in every detail-what it looks like ,how the user enters commands ,and how it manipulates data. A computer’computer’s microprocessor s microprocessor understands only machine language. Therefore, instructions written in a(n) high-level language must be translated into machine language before a computer can use them. The process of of translating translating translating instructions instructions instructions from from from a a a high-level high-level high-level language language language into into into machine machine machine language language can can be be accomplished by by two two two special special special types types types of of of programs: programs: programs: compilers compilers compilers and and interpreters . . A A compiler compiler translates translates translates all all all the the the instructions instructions instructions in in in a a a program program program as as as a a a single single batch (一批) ) ,and ,and ,and the the resulting machine language instructions, called object code (目标代码),are placed in a new file . Most of the the program program program files files files on on on a a a distribution distribution distribution CD CD CD for for for commercial commercial commercial software software software are are compiled so so that that that they they contain machine language instructions that are ready for the processor to execute. As an alternative to a compiler, an interpreter converts one instruction at a time while the program is running . An interpreter reads the first instruction, converts it into machine language, and . An interpreter reads the first instruction, converts it into machine language, and then sends it to the microprocessor. After the instruction is executed , the interpreter converts the next instruction, and so on. 2 Page 89 Unit 5 manage limit performance efficient memory develop technique system development programming store program engineer area factor environment Software development is concerned with creating computer programs that perform efficiently. In developing computer computer software, software, software, computer computer computer scientists scientists scientists and and and engineers engineers engineers study study study various various various areas areas areas and and techniques of software design, such as the best types of programming l anguages and algorithms to languages and algorithms to use in specific programs, how to efficiently store and retrieve information, and the computational limits of certain software-computer combinations. Software designers must consider many factors when developing a program. Often, program performance in one area m ust be sacrificed for the sake must be sacrificed for the sake of of the the the general general performance of of the the the software. software. software. For For For instance, instance, instance, since since since computers computers computers have have have only only only a a a limited limited amount of memory, software designers must limit the number of features they include in a software designers must limit the number of features they include in a program so that it will not require more memory than the systemi t is designed for can supply. it is designed for can supply. Software Software engineering engineering engineering is is is an an an area area area of of of software software development in in which which which computer computer computer scientists scientists scientists and and engineers study methods and tools that facilitate the efficient d evelopment of correct, reliable, and development of correct, reliable, and robust computer programs. Software engineers d evelop software tools and collections of tools called develop software tools and collections of tools called programming environments to to improve improve improve the the the development development development process. process. process. For For For example, example, example, tools tools tools can can can help help help to tomanage the many components of a large program that is being written by a team of programmers. Page 116 Unit 6 computer resource node dissimilar proper transmit limited protocol communicate enable bus connect disk network convert bridge A local area network(LAN) is a group of computers and other devices spread over a relativelylimited area and connected by a communications link that enables a ny device to interact with any any device to interact with any other other on on on the the network LANs LANs commonly commonly commonly include include include microcomputers microcomputers microcomputers and and and shared shared shared (often (often (often expensive expensive expensive ))resources such such as as as laser laser laser printers printers printers and and and large large large hard hard disks . . Most Most Most (modern) (modern) (modern) LANs LANs LANs can can can support support support a a a wide wide variety variety of of computers and and other other other devices. devices. devices. Each Each Each device device device must must must use use use the the proper physical physical and and and data-link data-link protocols for the particular LAN, and all devices that want to communicate w ith each other on the with each other on the LAN must use the same upper-level communications protocol .Although single LANs are geographically limited , separate LANs can be connected t o form larger networks. Similar LANs are to form larger networks. Similar LANs are linked by bridges , which act as transfer points between networks , which act as transfer points between networks ； dissimilar LANs are linked by gateways(网关)， which both transfer data and convert it according to the protocols used by the receiving network. The devices on a LAN are known as nodes(节点)，and the nodes a re connected by cabling(are connected by cabling(电缆) through which messages are transmitted . Nodes on a LAN can be wired together in any of basic . Nodes on a LAN can be wired together in any of basic layouts, known as bus, ring, and star. , ring, and star. 。
课件17：Unit 3 Computers
(6)_a_ri_s_e_ vi. (arose, arisen) 出现; 发生
(7)_c_h_a_r_a_c_te_r_ n.
性格; 特点
(8)_s_ig_n_a_l_ vi.& vt. 发信号 n. 信号
(9)_s_im__p_lif_y_ vt. 简化→_s_im__p_li_fi_e_d_ adj. 简化了的
【知识构建】 set goals/a goal one’s goal in life achieve/realize one’s goal reach one’s goal score a goal
确定目标 某人的生活目标 实现自己的目标 达到自己的目标 进球得分
*The best moment for the football star was when he scored the winning goal. 这位足球明星的最好时刻是当他进了制胜一球的时候。
Ⅱ. 联想背短语 1. have sth. in common 2. according to 3. from. . . on 4. go by 5. so. . . that 6. deal with
_有__共__同__之_处___ _根__据__ _从__··_·_··_·时__起___ _流__逝__ _如__此__··_·_··_·以__至__于__··_··_·_·__ _处__理__; _安_排__;_对__付___
【知识构建】 (1)signal(sb. )that. . . signal (to) sb. to do sth. (2)a danger/warning signal traffic signals a signal of alarm
示意(某人)······ 示意某人做某事 危险/警告信号 交通信号灯 报警信号
计算机专业英语第二版 译文
《计算机英语》参考译文（精读部分）目录第1单元课文A：计算机概览 (3)一、引言 (3)二、历史 (3)三、硬件 (4)四、编程 (5)五、未来的发展 (5)第2单元课文A：计算机硬件 (5)一、引言 (5)二、输入硬件 (6)三、输出硬件 (6)四、存储硬件 (7)五、硬件的连接 (7)第3单元课文A：操作系统 (8)一、引言 (8)二、操作系统是怎样工作的 (8)三、当前的操作系统 (8)五、未来的技术 (10)第4单元课文A：编程语言 (11)一、引言 (11)二、语言类型 (11)三、高级语言的分类 (12)四、语言的结构与成分 (12)五、历史 (13)第5单元课文A：计算机程序 (13)一、引言 (13)二、程序开发 (14)三、程序元素 (14)四、程序功能 (15)五、历史 (16)六、未来 (16)第6单元课文A：软件生命周期 (17)第7单元课文A：进入关系数据库的世界 (19)一、什么是关系数据库？ (19)二、数据库管理系统的介绍 (20)三、不同的计算模型 (21)第8单元课文A：电信与计算机 (22)第9单元课文A：计算机网络 (24)一、引言 (24)二、调制解调器与计算机管理局 (24)三、局域网 (24)四、路由器与桥接器 (25)五、广域网 (25)六、分布式计算 (25)七、安全与管理 (26)第10单元课文A：因特网是如何工作的？ (26)一、因特网访问 (27)二、信息打包 (27)三、网络编址 (27)四、电子邮件 (28)五、传输模式 (28)六、带宽 (28)第11单元课文A：信息革命 (29)一、引言 (29)二、社会与技术发展 (29)三、信息革命的方向 (29)四、就业趋势 (30)五、信息技术与消费者 (31)六、信息革命的问题 (31)第12单元课文A：电子商务简介 (32)一、定义 (32)二、需求与服务 (32)第13单元课文A：计算机安全 (34)一、计算机安全面临的威胁 (34)二、保护计算机安全的措施 (36)第14单元课文A：比尔•盖茨文摘 (37)第1单元课文A：计算机概览一、引言计算机是一种电子设备，它能接收一套指令或一个程序，然后通过对数值数据进行运算或者对其他形式的信息进行处理来执行该程序。
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Unit 3 Text 1 1.Match each of the words or phrases with their Chinese meaning. disk 磁盘 modem 调制解调器 driver 驱动器 printer 打印机 display 显示器 mouse 鼠标 keyboard 键盘 computer 计算机
2.Fill a correct word learned in this text in each of the blanks. (1) The display of the computer is also called______. Screen (2) The function of a ____ is to print the information or data on a piece of paper. printer (3) The keyboard is one of the _____devices. input (4) A modem plays an important role when you want to use the ______. internet
3. Translation. (1) 我是一个操作员。 I am a computer programmer. (2) 什么是电子计算机？ What is a electronic computer? (3) 我有一个键盘。 I have a keyboard (4) It costs me 4000 Yuan to buy a computer. 买一台电脑需要花费我4000元人民币。 (5) I am now finding a file that was deleted by mistake. 我正在找一个不小心被我误删的文件。 (6) There was some problems with my mouse. Maybe it’s not clean. 我的鼠标器有点问题，也许是它不干净了。
Reading material Read the above passages carefully and answer the questions. (1) According to passage A, why can’t A find his file? Because he can not remember where his file was saved. (2) To find A’s file, what is necessary? The name of the file. (3) How can A find his file that he can’t find? A can use the “find” function on the “begin” menu. (4) According to passage B, what is energy saver mode? It is a mode in which it turns off the monitor if the processor hasn’t received any input for a certain period of time. Text 2
1. Fill a correct word in each of the blanks. (1) A computer system includes ________ and software. hardware (2) Software refers to ________. programs (3) A mouse is a(n) _______device. input (4) A program consists of many ________. instructions (5) Disk Operating System is also called ________by computer users. DOS (6) A keyboard is mainly made up of ________ functional groups. three (7) There are also three important special functional keys on the keyboard. They are _____, ______, _______. Escape ,Control, Alternate
2. Choose the best answer for each of the blanks. Password (密码) is a(n) 1 series of characters that enables a user 2 a file, computer or program. On multi-user systems, 3 user must enter his or her password 4 the computer will respond to commands. The password helps ensure that unauthorized (未授权的) users do not access the computer. In addition, data files and programs may require a password. Ideally, the password should be something 5 could guess. In practice, most people choose a password that is 6 to remember, such as their name or their initials (首字母). This is one reason it is relatively easy to break 7 most computer system. (1) A. obvious B. secret C. important D. easy
(2) A. access B. accessing C. accessed D. to access (3) A. each B. all C. some D. any (4) A. after B. when C. while D. before (5) A. everyone B. everybody C. nobody D. most people (6) A. hard B. easy C. ease D. difficult (7) A. into B. up C. to D. in 答案：BAADCBA Reading material
After reading these passages, answer the following questions. (1) How much RAM should you have at least if you want to run Windows 2003 smoothly? 256MB (2) What is the result if your RAM is too little? The computer becomes very slow. (3) In Passage B, how can A speed up his internet connection? Change his modem. (4) In Passage C, why can’t A’s mouse work properly? It is a little dirty.
Text three 1. Match each of the words with their correct Chinese meanings. mainframe 大型机 desktop 台式电脑 command 命令 workstation 工作站 synonym 同义词 multi-user 多用户 parallel 平行的 multi-functional 多功能的 laptop 膝上型电脑
2. Decide whether the following statements are True or False. (1) A computer is a multi-functional electronic data processing machine and is made up of electronic components. (T) (2) The computer can do nothing without a program. (T) (3) A microcomputer, also called personal computer, is a computer designed for an individual. (T) (4) According to computers’ power and size, we have desktop, laptop and handheld PCs.( F ) (5) In its more general usage, a personal computer is a computer designed for using by one person at a time. (F ) (6) Computers can be classified into microcomputer, mainframe and supercomputer by its program. ( F ) (7) Workstation is a multi-user computer capable of supporting many hundreds or thousands of users simultaneously. (T)
3. Fill in the blanks with suitable words. (1) ____ are electronic machines that is made up of electronic components and can be