IT专业英语PPT课件
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计算机专业英语ppt课件
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专业英语的时态特点
❖ 就时态而言，因为专业科技文献所涉及的内容 （如科学定义、定理、方程式或公式、图表等） 一般并没有特定的时间关系，所以在专业文献 中大部分都使用一般现在时。
❖ 至于一般过去时、一般完成时也在专业英语中 经常出现，如科技报告、科技新闻、科技史料 等。
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准确性
专业英语的准确性主要表现在用词上。然 而在语法结构上也有其特点。例如，为了 准确精细地描述事物过程，所用句子都较 长有些甚至一段就是一个句子。长句反映 了客观事物中复杂的关系，它与前述精练 的要求并不矛盾，句子长结构仍是精练的， 只是包含的信息量大，准确性较高。
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计算机专业英语的特点
❖常用It … 句型结构 ❖ 单个动词比动词词组用得频繁 ❖ 常使用动词或名词演化成的形容词 ❖ 希腊词根和拉丁词根比例大 ❖ 专业术语多 ❖ 半技术词汇多 ❖ 用虚拟语气表达假设或建议 ❖ 缩略语使用频繁
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专业英语的语法特点
❖客观（objectivity） ❖精练（conciseness） ❖准确（accuracy）
专业英语中的长句
❖ 面对长句，要进行语法分析。
❖ 语法分析主要从两点入手，第一是找出谓语，然后找 主语。一般英语句子不像汉语那样经常省略主语，而 是由主语和谓语一起构成句子的核心。
❖ 第二是找出连接词。英语和汉语的另一个不同是汉语 句子的分句之间常常没有连接词，而英语句子和分句 之间一般都有连接词连接。
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计算机专业英语第三版教学课件Unit2Software
玛丽：哦，在安装声卡之前，您需要查看一下它的相关信息。声卡的用户手册应该会 有重要的信息。
Michael: I have checked the information. It is no problem to install it on the Windows 10.
迈克尔：我已经查看了相关信息。在Windows 10中安装没有问题。
Unit 2
Lesson 14
迈克尔正向技术支持部门的玛丽询问如何安装声卡。
Mary: Hello, Technical Support Department, what can I do for you?
玛丽：您好，技术支持中心，我能为您做些什么？
Michael: Hello, I want to replace the sound card with a new one. But I do not know how to operate in Windows 10 after I plug the card.
2. _O_p_e_r_a_ti_n_g__s_y_st_e_m__k_e_e_p__s_t_ra_c_k__o_f_f_il_e_s_a_n_d__d_i_re_c_to_r_ie_s on the disk.
3. _O_p_e_r_a_ti_n_g__s_y_st_e_m__c_o_n_tr_o_ls_p_e_r_ip_h_e_ra_l_d_e_v_ic_e_s_s_uc_h__as__di_s_k drives and printers.
Unit 2 Software
Lesson 1 Operating Systems Lesson 2 Office Software Lesson 3 Multimedia and Multimedia Software Lesson 4 Using Email Client Software
Michael: I have checked the information. It is no problem to install it on the Windows 10.
迈克尔：我已经查看了相关信息。在Windows 10中安装没有问题。
Unit 2
Lesson 14
迈克尔正向技术支持部门的玛丽询问如何安装声卡。
Mary: Hello, Technical Support Department, what can I do for you?
玛丽：您好，技术支持中心，我能为您做些什么？
Michael: Hello, I want to replace the sound card with a new one. But I do not know how to operate in Windows 10 after I plug the card.
2. _O_p_e_r_a_ti_n_g__s_y_st_e_m__k_e_e_p__s_t_ra_c_k__o_f_f_il_e_s_a_n_d__d_i_re_c_to_r_ie_s on the disk.
3. _O_p_e_r_a_ti_n_g__s_y_st_e_m__c_o_n_tr_o_ls_p_e_r_ip_h_e_ra_l_d_e_v_ic_e_s_s_uc_h__as__di_s_k drives and printers.
Unit 2 Software
Lesson 1 Operating Systems Lesson 2 Office Software Lesson 3 Multimedia and Multimedia Software Lesson 4 Using Email Client Software
Unit Three Computer Software 计算机专业英语课件
计算机专业英语
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
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
新职业英语-IT英语Unit4课件
Review of Key Learning Points
frequently asked questions
The courseware offers practical tips for job seekers, including advice on resume writing, preparing for面试英语，and practicing面试英语口语.
Grammar parsing
03
Practice and Activities
听力训练
01
针对IT行业英语的实际应用场景，设计了一系列听力训练任务。这些任务包括听取并理解技术术语、产品描述、项目讨论等，旨在提高学生的听力理解能力。
听力材料
02
听力训练中使用的材料包括IT行业相关的音频、视频和录音，确保学生能够接触到真实的工作环境中的英语交流。
Practice Makes Perfect
Future Trends in IT
Continuous Learning
Learning suggestions and prospects
05
appendix
提供课程中英文内容的中文翻译，帮助学习者更好地理解课程内容。
总结词
在附录中，我们提供了Unit4课程内容的中文翻译。这些翻译旨在帮助学习者更好地理解英文材料，特别是在涉及到一些专业术语和复杂概念时。通过中文翻译，学习者可以更快地掌握课程内容，提高学习效率。
The courseware encourages learners to stay up-to-date with the latest trends in the IT industry, such as emerging technologies and their impact on the job market.
精品课件-精品课件--计算机专业英语(王莹)-unit3
高职高专“十三五”规划教材计算机类
计算机专业英语
Computer English
主编：王莹 王月 戴赟
副主编：
西安电子科技大学出版社
目
Unit 1 Computer Hardware
录
Unit 2 Computer Software
CONTENTS
Unit 3 Computer Network
Unit 4 Multimedia
3. Listen to the dialogue and choose the best responses to what you hear. 5. A. Maybe.
B. The same to you.
C. Where are you going?
6.
D. OK. I’ll visit my parents. A. Sorry, I’m a stranger here.
and
7 of the world, or for no apparent reason at all. Don’t be too 8 when your baby cries and you aren’t able to console him or her 9 :
crying is one way babies shout out stimuli when they're 10 .
3. L1i.stAe.n It’o mthfelydiinaglobgaucekatnodmocrhrooows.e the best responses to what you hear.
B. See you next time.
C. It’s my pleasure.
计算机专业英语
Computer English
主编：王莹 王月 戴赟
副主编：
西安电子科技大学出版社
目
Unit 1 Computer Hardware
录
Unit 2 Computer Software
CONTENTS
Unit 3 Computer Network
Unit 4 Multimedia
3. Listen to the dialogue and choose the best responses to what you hear. 5. A. Maybe.
B. The same to you.
C. Where are you going?
6.
D. OK. I’ll visit my parents. A. Sorry, I’m a stranger here.
and
7 of the world, or for no apparent reason at all. Don’t be too 8 when your baby cries and you aren’t able to console him or her 9 :
crying is one way babies shout out stimuli when they're 10 .
3. L1i.stAe.n It’o mthfelydiinaglobgaucekatnodmocrhrooows.e the best responses to what you hear.
B. See you next time.
C. It’s my pleasure.
计算机专业英语第三版教学课件Unit5 Software Engineering
Mr. Brown: Zhonghua Computers. What can I do for you?
布朗先生：您好！中华计算机公司。我能为您做些什么？
Linda: Hello, Mr. Brown. It is Linda. Got a minute?
琳达：您好，布朗先生。我是琳达。您有时间吗？
Mr. Brown: I see your point. If we have to spend more time on developing the second version, we’ll have to adjust the schedule. People need to know that we have adjusted the project development plan as soon as possible. Do you want me to call the project manager?
Look and Learn Dialogue Reading Learn More New Words and Phrases
A software development project organization.
Lesson 14
Unit 5
Look and Learn Dialogue Reading Learn More New Words and Phrases
Mr. Brown: Yes.We planned to put the two versions in the same development process. Well, what kind of problem are you having now?
布朗先生：是的。我们计划在同一个开发过程中投入两个版本。那您现在遇到什么问题了？
布朗先生：您好！中华计算机公司。我能为您做些什么？
Linda: Hello, Mr. Brown. It is Linda. Got a minute?
琳达：您好，布朗先生。我是琳达。您有时间吗？
Mr. Brown: I see your point. If we have to spend more time on developing the second version, we’ll have to adjust the schedule. People need to know that we have adjusted the project development plan as soon as possible. Do you want me to call the project manager?
Look and Learn Dialogue Reading Learn More New Words and Phrases
A software development project organization.
Lesson 14
Unit 5
Look and Learn Dialogue Reading Learn More New Words and Phrases
Mr. Brown: Yes.We planned to put the two versions in the same development process. Well, what kind of problem are you having now?
布朗先生：是的。我们计划在同一个开发过程中投入两个版本。那您现在遇到什么问题了？
计算机专业英语教程PPT课件
计算机专业英语教程
2010.5.1Байду номын сангаас
Computer science major course
Computer English
Chapter 1 The History and Future of Computers
Chapter 1 The History and Future of Computers
UNIVAC (Universal Automatic Computer) 通用自动计算机
计算机专业英语
1-6
Chapter 1 The History and Future of Computers
1.1 The Invention of the Computer
It is hard to say exactly when the modern computer was invented. Starting in the 1930s and through the 1940s, a number of machines were developed that were like computers. But most of these machines did not have all the characteristics that we associate with computers today. These characteristics are that the machine is electronic, that it has a stored program, and that it is general purpose.
Key points: useful terms and definitions
2010.5.1Байду номын сангаас
Computer science major course
Computer English
Chapter 1 The History and Future of Computers
Chapter 1 The History and Future of Computers
UNIVAC (Universal Automatic Computer) 通用自动计算机
计算机专业英语
1-6
Chapter 1 The History and Future of Computers
1.1 The Invention of the Computer
It is hard to say exactly when the modern computer was invented. Starting in the 1930s and through the 1940s, a number of machines were developed that were like computers. But most of these machines did not have all the characteristics that we associate with computers today. These characteristics are that the machine is electronic, that it has a stored program, and that it is general purpose.
Key points: useful terms and definitions
IT专业英语(周传生)1 (11)
theory of software engineering, structured analysis and design technique, object-oriented software engineering and software crisis Application case of software design and implementation
UNIT 11 Software Engineering
11-1 Technical Part
11-1-1 Definition
Software engineering is an engineering discipline that is concerned with all aspects of software production from the early stages of system specification through to maintaining the system after it has gone into use. In this definition, there are two key phrases:
2. Software development, where the software is designed and programmed.
3. Software validation, where the software is checked to ensure that it is what the customer requires.
UNIT 11 Software Engineering
2. All aspects of software production Software engineering is not just concerned with the technical processes of software development. It also includes activities such as software project management and the development of tools, methods, and theories to support software production.
UNIT 11 Software Engineering
11-1 Technical Part
11-1-1 Definition
Software engineering is an engineering discipline that is concerned with all aspects of software production from the early stages of system specification through to maintaining the system after it has gone into use. In this definition, there are two key phrases:
2. Software development, where the software is designed and programmed.
3. Software validation, where the software is checked to ensure that it is what the customer requires.
UNIT 11 Software Engineering
2. All aspects of software production Software engineering is not just concerned with the technical processes of software development. It also includes activities such as software project management and the development of tools, methods, and theories to support software production.
计算机专业英语ppt
Acer E360 Socket 939 motherboard by Foxconn .svg
System Clock
Within the computer, events happen at a pace controlled by a tiny electronic “drummer”, called the system clock. The component is an electronic circuit that generated pulses at a rapid rate, measured in millions of cycles per second (MHz). Note that the system clock doesn’t have anything to do with keeping the time and date; the system clock synchronizes the computer’s internal activities. Synchronize : 同步
Control Unit
The control unit coordinates and controls all the other parts of the computer system. Under the direction of a program, the control unit manages four basic operations:
Power supply
A computer’s power supply can transform the alternating current (AC) available from standard wall outlets into the direct current (DC) needed for the computers operation. It also steps the voltage down to the low voltage required by the motherboard.
自动化与电子信息专业英语教程(英文版)(ppt 72页)
Part 2 Electronics
2.1 Interpreting a digital IC datasheet 2.2 Diodes and Transistors(Ⅰ) 2.3 Diodes and Transistors(II) 2.4 The Ideal of Op-amp（I） 2.5 The Ideal of Op-amp（II） 2.6 Boolean Algebra 2.7 Number System 2.8 Flip-Flops and Latches 2.9 Programmable logic Device
negative portion
负半周
full-wave bridge rectifier 全波桥式整流
transformers
变压器
in conjunction with
与…连接
bipolar junction
双极性
proportionality constant 比例常数
base
基极
collector
“in which” 引起 定语从句，修饰 “power supplies”
这是个典型主从复合句。
全句可译为“二极管的一个主要应用是 AC信号 整流，尤其是在某些需要将 AC 电转化为 DC 电的电源中。”
2.3 Diodes and Transistors(II)
2.3.2 Specialized English Words
本句结果较复杂，主句为“Saying that … beyond ” ，“Saying”为动名词作主语，它的宾 语为“that” 引导名词从句。 “means”为主语 “Saying …”的谓语动词，而“that its impedance…”为“means”的宾语从句，而这个从 句又有自己的结果状语“so that…” 。 全句可译为“我们说二极管在 以上导通的电流 无穷大实际上是指它的阻抗变得如此之小导致它 不再是电路中的限制因素。”
2.1 Interpreting a digital IC datasheet 2.2 Diodes and Transistors(Ⅰ) 2.3 Diodes and Transistors(II) 2.4 The Ideal of Op-amp（I） 2.5 The Ideal of Op-amp（II） 2.6 Boolean Algebra 2.7 Number System 2.8 Flip-Flops and Latches 2.9 Programmable logic Device
negative portion
负半周
full-wave bridge rectifier 全波桥式整流
transformers
变压器
in conjunction with
与…连接
bipolar junction
双极性
proportionality constant 比例常数
base
基极
collector
“in which” 引起 定语从句，修饰 “power supplies”
这是个典型主从复合句。
全句可译为“二极管的一个主要应用是 AC信号 整流，尤其是在某些需要将 AC 电转化为 DC 电的电源中。”
2.3 Diodes and Transistors(II)
2.3.2 Specialized English Words
本句结果较复杂，主句为“Saying that … beyond ” ，“Saying”为动名词作主语，它的宾 语为“that” 引导名词从句。 “means”为主语 “Saying …”的谓语动词，而“that its impedance…”为“means”的宾语从句，而这个从 句又有自己的结果状语“so that…” 。 全句可译为“我们说二极管在 以上导通的电流 无穷大实际上是指它的阻抗变得如此之小导致它 不再是电路中的限制因素。”
计算机专业英语课件Unit01
1.2 Section B: The Internet of Things
• Words
• bidding[ˈbidiŋ] n. 吩咐，投标 • brew[bruː] v. 煮(咖啡)，酿制(啤酒)，沏(茶) • gadget[ˈgædʒit] n. 小装置，小器具 • downtime[ˈdauntaim] n. 停止运行时间 • crumble[ˈkrʌmbl] v. 坍塌，损坏 • impending[imˈpendiŋ] adj. 即将发生的，迫在眉
1. Public cloud is a cloud environment in which all cloud infrastructure and computing resources are dedicated to, and accessible by, one customer only. 2. The private cloud provider owns, manages, and assumes all responsibility for the data centers, hardware, and infrastructure 3. Multicloud is the use of two or more public clouds together with a private cloud environment. 4. Hybrid cloud is a combination of public and private cloud environments. 5. SaaS is application software that's hosted in the cloud and that you access and use via a Web browser, a dedicated desktop client, or an API that integrates with your desktop or mobile operating system.
计算机专业相关英语演讲PPT人工智能Artificial---Intelligence
Give a question, search the best answer Give an order, search the suitable procedure
First,huge database
The huge knowledge to store Hard to be time relative
Artificial Intelligence
What is it?
Frist,insight the nature of human intelligence
second,bring the theory of the human intelligence into machine
Japan is the most famous country in producing intelligent machine.
It is stupid ,don't you think so?
That 's why more and more researchers pay their anteention in Machine Learning.
Finanly ,The machine is lack of emotion.if you say give me a cut to machine, he don not konw give you some money or a real cut.
because it cost time to find the best chioce.It cause the problem of time relative.
Secondly, the machine have been made is lack of innovation.
First,huge database
The huge knowledge to store Hard to be time relative
Artificial Intelligence
What is it?
Frist,insight the nature of human intelligence
second,bring the theory of the human intelligence into machine
Japan is the most famous country in producing intelligent machine.
It is stupid ,don't you think so?
That 's why more and more researchers pay their anteention in Machine Learning.
Finanly ,The machine is lack of emotion.if you say give me a cut to machine, he don not konw give you some money or a real cut.
because it cost time to find the best chioce.It cause the problem of time relative.
Secondly, the machine have been made is lack of innovation.
计算机专业英语教程课件-Unit 11 (Operating System)
Later machines came with libraries of software, which would be linked to a user's program to assist in operations such as input and output and generating computer code from human-readable
symbolic code.
后来，机器附带的软件，将是链接到用
户的方案，以协助在产生的操作，如输 入和输出，从人类可读的符号代码生成 计算机代码操作。
This was the genesis of the modern-day operating system. However, machines still
the most widely used version of the Windows family is Windows XP, released
on October 25, 2001.
servers.
几乎在所有的计算机设备上都能找到操作系统， 其中包含从手机和视频游戏机到超级计算机和 Web服务器
In the early 1950s, a computer could execute only one program at a time.
在50年代初，计算机一次只能执行一 个程序。
Each user had sole use of the computer and would arrive at a scheduled time with program and data on punched paper cards and tape.
每个用户有单独使用的电脑，并会到达 一个预定程序和数据在穿孔纸卡片和磁 带。
计算机专业英语第3版unit3PPT课件
➢ We break the word multimedia into its component part, we get multi—meaning more than one, and media—meaning form of communication.
➢ Those types of media include text, audio sound, static graphics images, animation and full-motion video.
2021/4/4
计算机专业英语（第3版）
4
Audio Sound
➢ The integration of audio sound into a multimedia application can provide the user with information not possible through any other method of communication.
Unit 3 Multimedia and Its Applications
3.1 Multimedia 3.2 Computer Graphics and Images 3.3 Computer Aided Design 3.4 Computer Animation 3.5 Multimedia Software
2021/4/4
计算机专业s the basis for word processing programs and is still the fundamental information used in many multimedia programs.
➢ By displaying text in more than one format, the message a multimedia application is trying to portray can be made more understandable.
➢ Those types of media include text, audio sound, static graphics images, animation and full-motion video.
2021/4/4
计算机专业英语（第3版）
4
Audio Sound
➢ The integration of audio sound into a multimedia application can provide the user with information not possible through any other method of communication.
Unit 3 Multimedia and Its Applications
3.1 Multimedia 3.2 Computer Graphics and Images 3.3 Computer Aided Design 3.4 Computer Animation 3.5 Multimedia Software
2021/4/4
计算机专业s the basis for word processing programs and is still the fundamental information used in many multimedia programs.
➢ By displaying text in more than one format, the message a multimedia application is trying to portray can be made more understandable.
专业英语人工智能最终PPT课件
第3页/共29页
• 人工智能是计算机科学的前沿，充满机遇和挑战。
• “A student in physics might reasonably feel that all the good ideas have already been taken by Galileo,Newton,Einstein,and the rest,and that it takes many years of study before one can contribute new ideas,AI,on the other hand,still has openings for a fulltime Einstein.”
Artificial Intelligence
Science
Search engines
Labor
Appliances
第1页/共29页
• Definition • Meanings
content
• History and greatmen
• Developing and difficulties
• Knowledge
• Current situation
• Applications and Achievements
• Future
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Definition 定义
Artificial Intelligence (AI) is the intelligence of machines and the branch of computer science that aims to create it. Definition in AI textbook :”the study and design of intelligent agents” 人工智能（AI）是机器智能与计算机科学，旨在创建它的分支。 在AI教科书的定义：“学习的智能代理的设计。”
• 人工智能是计算机科学的前沿，充满机遇和挑战。
• “A student in physics might reasonably feel that all the good ideas have already been taken by Galileo,Newton,Einstein,and the rest,and that it takes many years of study before one can contribute new ideas,AI,on the other hand,still has openings for a fulltime Einstein.”
Artificial Intelligence
Science
Search engines
Labor
Appliances
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• Definition • Meanings
content
• History and greatmen
• Developing and difficulties
• Knowledge
• Current situation
• Applications and Achievements
• Future
第2页/共29页
Definition 定义
Artificial Intelligence (AI) is the intelligence of machines and the branch of computer science that aims to create it. Definition in AI textbook :”the study and design of intelligent agents” 人工智能（AI）是机器智能与计算机科学，旨在创建它的分支。 在AI教科书的定义：“学习的智能代理的设计。”
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instruction code 指令代码 instruction set 指令集
9. component (组成)部分，部[构，组]件
A discrete part of a larger system or structure. 大系统或结构中的一种可以分立的部分。
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10. memory 存储器，内存
7. special-purpose computer 专用计算机
special-purpose language 专用语言 special character 特殊字符
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8. instruction 指令
Most programs consist of two types of statements: declarations and instructions. 大部分程序由两种类型的语句组成：声明和指令。
transform 变换 translate 翻译 transmit 发送
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To change the appearance or format
of data without altering its content. 改变数据的外部特性或格式，而 不改变其内容。 To send information over a
hardware or software. 设计或开发新硬件或软件所涉及的所有阶段。
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6. general-purpose computer 通用计算机
general-purpose controller 通用控制器 general-purpose language 通用语言 general-purpose register 通用寄存器
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4. physical a. 物理，实际
physical address 物理地址 physical layer 物理层
比较 logical a. 逻辑
5. design v. 设计
design cycle 设计周期
All the phases involved in developing and producing new
16. cabinet 机箱
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17. 8 bits=1 byte(B)
kilobyte 1KB=1024B megabyte 1MB=1024KB gigabyte 1GB=1024MB
18. transfer 传送
The movement of data from one location to another. 将数据从一个地点移动到另一个地点。
14. configuration 配置
In reference to a single microcomputer, the sum of a system’s internal and external components.
对单个微机来讲，配置指一个系统内部和外部的全部组件
的总和。
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main memory 主存 (primary storage) secondary memory 辅存 (secondary storage)
memory bank 存储器插槽 memory cell 存储单元 memory chip 存储芯片
11.CPU-Central Processing Unit 中央处理器
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15. computer classification
supercomputer 巨型机 mainframe 大型机 superminicomputer 超级小型机 minicomputer 小型机 workstation 工作站 microcomputer 微机 PDA-Personal Digital Assistant 掌上计算机
计算机英语
用以描述计算机领域各种技术概念及过 程的英语词汇、表达方式和篇章的总称。
教学目的：
掌握计算机相应的英语术语、缩略语 能独立阅读和翻译计算机相关的科技文章
2020/10种不同体裁的语言现象。即用 于不同领域的文章体裁，如科技、法律、体育等。
计算机英语是英语文体的一种，属于科技英 语这一类。
binary conversion 二进制转换 binary digit 二进制数字 binary number 二进制数 binary search 二分搜索 binary tree 二叉树
比较decimal a. 十进制 hexadecimal a. 十六进制 octal a. 八进制
communications line or a circuit. 经过通信线路或电路发送信息。
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19.significant figure 有效数字
20. (同significant digits)
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1.2 Computer Codes
1. capacity 容量 2. binary a. 二进制
CPU cache CPU高速缓存 CPU fan CPU风扇
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12. block diagram 框图，方块图
bubble chart 泡形图 flawchart 流程图
13. bus 总线
data bus 数据总线 address bus 地址总线 control bus 控制总线
科技英语并非独立存在于基础英语之外，它 们互相影响，互相补充。
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二、科技术语的概念
科技术语：概念→语言符号 一般词汇：语言符号→词义
三、翻译
内容客观准确，被动句使用普遍； 重在表述科学原理，技术流程，常有长句出现； 大量的术语出现。
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1.1 Computer Hardware
1. mathematical a. 数学的
mathematical expression 数学表达式 mathematical function 数学函数
mathematician n. 数学家
2. micro– 微；小 [前缀]
microcomputer 微机
3. domain n. 域
domain name 域名