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1、Unit 1 Computer Systems Sec.1-1 Why Should People Care of a Computer System ?Sec.1-2 What Should People Do with a Computer System ? Exit计算机与通信专业英语1(共12章)Unit 1 Computer Systems Sec.1-1 Why Should People Care of a Computer System ? 1 Specialized Terms and Phrases2 Grammar Points3 QuestionsExit Return
2、计算机与通信专业英语1(共12章)1 Specialized Terms and PhrasesReturnExitcar engine汽车发动机3-1software package软件包3-1high-level language高级语言3-2optimum system最佳系统4-4jargon术语,行话5-1PCI Video AcceleratorPCI 视频加速器5-2cache高速缓冲存储器5-2RAM memory随机存储器6-1hard drive硬盘6-2cache memory高速缓冲存储器8-3计算机与通信专业英语1(共12章)1 Specialized Terms a
3、nd Phrasesmultitasking多任务8-3PCI busPCI 总线8-3and yet但是4-1well enough很好地4-2risk fooling around with冒盲目的风险4-2nothing more than只不过是4-4a sense of excitement that is missing失误的刺激感4-4in a way在某种程度上5-3it is scary!真是耸人听闻5-3pay for为支付6-5ReturnExit计算机与通信专业英语1(共12章)1 Specialized Terms and Phrasesin the context
4、of从的角度来看7-1a long-term investment长期投资7-1informed decision有见地（识）的决定7-3all about都是9-2In either case不论那种情况， 两种情况都是9-2interact with与配合（打交道）9-3 ReturnExit计算机与通信专业英语1(共12章)1 Specialized Terms and PhrasesReturnExit计算机与通信专业英语1(共12章)2 Grammar PointsWe can run standard software packages without understanding
5、exactly how they work; we can program a computer in a high-level language without understanding how; we can purchasewithout understanding 3-1And yet, there is something missing.Perhaps the package doesnt do exactly what we want, and we dont understand the machine well enough to risk fooling around w
6、ith the package s options.4-1ReturnExit计算机与通信专业英语1(共12章)2 Grammar PointsIs this the right combination of features that you need in your computer to have the computer perform the work that you wish to get done ?6-3 But how many people know what the terms“cache memory” or “multitasking” or PCI bus mea
7、n or what their importance is ?8-2Perhaps you are a student to become a computer professional, or perhaps you are simply a user wanting a deeper understanding of what the computer is all about.9-1 ReturnExit计算机与通信专业英语1(共12章)2 Grammar PointsReturnExit计算机与通信专业英语1(共12章)ReturnExit3 QuestionsWhat is the
8、immediate benefit when you understand the computer systems operations?Key:it will allow you to use the machine more effectively9-5What does PCI stand for?Key:Peripheral Control Interface计算机与通信专业英语1(共12章)ReturnExit3 Questions计算机与通信专业英语1(共12章)Unit 1 Computer Systems Sec.1-2 What Should People Do with
9、a Computer System ? 1 Specialized Terms and Phrases2 Grammar Points3 QuestionsExit Return计算机与通信专业英语1(共12章)1 Specialized Terms and Phrasescomputer equipment计算机设备1-4application program应用程序1-4integer calculation整数计算3-1nested loop嵌套循环4-1index variable指数变量4-1compiled language汇编语言4-3interpreted BASIC解释 BA
10、SIC 5-2technical specification技术说明书6-3peripheral hardware外围硬件6-6Pentium chip奔腾芯片7-3ReturnExit计算机与通信专业英语1(共12章)1 Specialized Terms and Phrasesoperating system parameters操作系统参数8-5system security系统安全8-5configuration配置，安置8-6hardware and software components硬件与软件组件9-2computer architecture计算机结构11-3be aware
11、 of意识到1-1to make informed decision做出有见地的决定1-3it is preferable to do更可取的是to do1-5to communicate with与进行通信(交流)1-7ReturnExit计算机与通信专业英语1(共12章)1 Specialized Terms and Phrasesto make+sth.+(to)+inf使某物do2-2to result in带来、导致2-3be in a better position to do处于更好的位置in an era of在年代7-4 7-1a solid foundation坚实的基础1
12、1-2to make it +adj+to +inf使to doadj11-3In the context of从角度11-4it may not be necessary to +inf可能不必to do12-2it is our intention to +inf我们的意图是to do12-4ReturnExit计算机与通信专业英语1(共12章)1 Specialized Terms and PhrasesReturnExit计算机与通信专业英语1(共12章)2 Grammar Pointsyou will be able to use the characteristics of the
13、 machine to make your programs operate more effectively2-1For example, choosing the appropriate data type for a variable can result in significantly faster performance.2-2Youll be in a better position to determine whether your computer is the right system for a particular job, or whether a different
14、 system would be more appropriate.7-1ReturnExit计算机与通信专业英语1(共12章)2 Grammar Points Perhaps a workstation with an Alpha CPU is better suited to your application than a personal computer with a Pentium chip.7-2 Youll be better prepared to analyze the best way to provide appropriate facilities to meet th
15、e needs of your users.7-3ReturnExit计算机与通信专业英语1(共12章)2 Grammar PointsIn an era of fast-changing technology, youll be more able to differentiate between simple technological obsolescence(技术上的落后) that does not affect your work significantly and major advances that suggest a real need to replace older e
16、quipment.7-4In an era in which technology changes extremely rapidly, the fundamental architecture of the computer rests on (依靠,依赖,相信)a solid foundation that has changed only slightly and gradually over the last 50 years.11-1ReturnExit计算机与通信专业英语1(共12章)2 Grammar PointsUnderstanding the foundations of
17、computer architecture makes it possible to flow with (充满 )the technological change and to understand these changes in the context of the improvements that they make and the needs that they meet.11-2It may not be necessary to understand the working of an automobile engine in order to drive a car, but
18、 you can bet (敢断定，)that a top-notch race driver knows his or her engine thoroughly and can use it to win races.12-2 ReturnExit计算机与通信专业英语1(共12章)2 Grammar PointsReturnExit计算机与通信专业英语1(共12章)ReturnExit3 QuestionsWhich people are mentioned in the text ? Key:user,programmer,system analyst, system administr
19、ator or managerWhat are respectively the most basic and major job,as a user, a programmer, a analyst, a system administrator or manager ? Key: as a user ,you will be aware of the capabilities, strengths, and limitations of the computer system. 计算机与通信专业英语1(共12章)ReturnExit3 Questions a programmer will allow you to write better programs. a analyst will be expected to specify computer systems for purchase,for yourself and for your organization. as a system administrator or manager,your job is to maximize the efficiency of your systems.计算机与通信专业英语1(共12章)ReturnExit3 Questions计算机与通信专业英语1(共12章)
