計(jì)算機(jī)英語課件

1、2022-2-6計(jì)算機(jī)專業(yè)英語教程1計(jì)算機(jī)專業(yè)英語計(jì)算機(jī)專業(yè)英語教程教程計(jì)算機(jī)專業(yè)英語教程22022-2-6學(xué)習(xí)計(jì)算機(jī)專業(yè)英語的重要性學(xué)習(xí)計(jì)算機(jī)專業(yè)英語的重要性oISO/OSI International Standard Organization/Open System Interconnect 國際標(biāo)準(zhǔn)化組織國際標(biāo)準(zhǔn)化組織/開放系統(tǒng)互聯(lián)開放系統(tǒng)互聯(lián)參考模型參考模型;oSQL:結(jié)構(gòu)化查詢語言，結(jié)構(gòu)化查詢語言，Structured Query Language;oNT:新技術(shù)；新技術(shù)；oXP：體驗(yàn)：體驗(yàn) eXPerience; owww. World Wide Web;oBBS：電子公告板系統(tǒng)

2、：電子公告板系統(tǒng) Bulletin Board System;oDVD:數(shù)字視頻光盤數(shù)字視頻光盤/數(shù)字通用光盤數(shù)字通用光盤 Digital Video Disc/Digital Versatile Disc;oISDN:綜合業(yè)務(wù)（服務(wù)）數(shù)字網(wǎng)，（俗稱一線通），綜合業(yè)務(wù)（服務(wù)）數(shù)字網(wǎng)，（俗稱一線通）， Integrated Service Digital Network;計(jì)算機(jī)專業(yè)英語教程32022-2-6內(nèi)內(nèi) 容容 簡簡 介介o本書包含了大量與計(jì)算機(jī)專業(yè)基礎(chǔ)、專業(yè)技術(shù)及專業(yè)前沿本書包含了大量與計(jì)算機(jī)專業(yè)基礎(chǔ)、專業(yè)技術(shù)及專業(yè)前沿知識(shí)相關(guān)的英文資料，并根據(jù)知識(shí)點(diǎn)分成知識(shí)相關(guān)的英文資料，并根據(jù)知識(shí)點(diǎn)

3、分成28課。分別講述課。分別講述了計(jì)算機(jī)硬件基礎(chǔ)、計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)、計(jì)算機(jī)軟件思想、了計(jì)算機(jī)硬件基礎(chǔ)、計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)、計(jì)算機(jī)軟件思想、編程語言、計(jì)算機(jī)網(wǎng)絡(luò)結(jié)構(gòu)、電子商務(wù)應(yīng)用、計(jì)算機(jī)圖像編程語言、計(jì)算機(jī)網(wǎng)絡(luò)結(jié)構(gòu)、電子商務(wù)應(yīng)用、計(jì)算機(jī)圖像與動(dòng)畫以及計(jì)算機(jī)領(lǐng)域的新技術(shù)等內(nèi)容。與動(dòng)畫以及計(jì)算機(jī)領(lǐng)域的新技術(shù)等內(nèi)容。o每課內(nèi)容相對(duì)獨(dú)立，如數(shù)據(jù)結(jié)構(gòu)、操作系統(tǒng)、無線網(wǎng)絡(luò)、每課內(nèi)容相對(duì)獨(dú)立，如數(shù)據(jù)結(jié)構(gòu)、操作系統(tǒng)、無線網(wǎng)絡(luò)、遠(yuǎn)程教育、人工智能、電子支付等。遠(yuǎn)程教育、人工智能、電子支付等。o每課后均附有重點(diǎn)詞匯、課文難點(diǎn)注釋、練習(xí)、兩篇與課每課后均附有重點(diǎn)詞匯、課文難點(diǎn)注釋、練習(xí)、兩篇與課文內(nèi)容相關(guān)的閱讀材料以及計(jì)算

4、機(jī)專業(yè)英語中相關(guān)的語法文內(nèi)容相關(guān)的閱讀材料以及計(jì)算機(jī)專業(yè)英語中相關(guān)的語法知識(shí)講述或?qū)I(yè)術(shù)語介紹。知識(shí)講述或?qū)I(yè)術(shù)語介紹。計(jì)算機(jī)專業(yè)英語教程42022-2-6目目 錄錄 oUnit 1 Introduction of Computers oUnit 2 CPU and Memory oUnit 3 Input and Output Systems oUnit 4 C+ Language oUnit 5 Operating System oUnit 6 Data Structure oUnit 7 Database Principle 計(jì)算機(jī)專業(yè)英語教程52022-2-6目目 錄錄oUnit 8

5、Principles of Compiler oUnit 9 Software Engineering oUnit 10 MultimediaoUnit 11 Distance EducationoUnit 12 Computer Graphics and ImagesoUnit 13 AnimationoUnit 14 Grid Computing計(jì)算機(jī)專業(yè)英語教程62022-2-6目目 錄錄oUnit 15 Distributed SystemsoUnit 16 Computer Network BasicsoUnit 17 InternetoUnit 18 Wireless Networ

6、koUnit 19 Computer Virus計(jì)算機(jī)專業(yè)英語教程72022-2-6Unit 1 Introduction of Computers1.1 TextoA computer is a digital electronic data processing system. oDigital computer uses the binary number system, which has two digits: 0 and 1. A binary is called a bit. oInformation represented in digital computers is in

7、groups of bits. 計(jì)算機(jī)專業(yè)英語教程82022-2-6Computer Development oThe First Generation of Computers (1946 through 1959) oThe Second Generation of Computers (1959 through 1964) oThe Third Generation of Computers (1964 through 1971) oThe Fourth Generation of Computers (1971 through now) 計(jì)算機(jī)專業(yè)英語教程92022-2-6Comput

8、er types oMicrocomputer is generally a synonym for the more common term, personal computer, or PC, which is a small single-user computer based on a microcomputer. oWorkstation is a powerful single-user computer. oMainframe or mainframe computer is a powerful multi-user computer. oMinicomputer is a m

9、ulti-user computer of a size between a microcomputer and a mainframe. oSupercomputer is an extremely fast computer that can perform hundreds of millions of instructions per second.計(jì)算機(jī)專業(yè)英語教程102022-2-6Desktop Computers oDesktop computers are the natural choice when a computer remains in the same place

10、 for all of its working life. oDesktop computers are modular systems that make it easy to add or replace individual parts to meet each users particular requirements. oModular design also means that you can transfer some old parts to your new computer when your old faithful machine that has finally b

11、ecome obsolescent. oYou can improve the computers performance by adding new components and replacing existing parts with new ones that have faster speed, greater capacity, or more features. 計(jì)算機(jī)專業(yè)英語教程112022-2-6Keywords accommodate 供應(yīng)，適應(yīng)，調(diào)節(jié)alphabet 字母表arrangements 安排，整理，約定compatibility 兼容性，一致性configur

12、e 配置conversion 變化，轉(zhuǎn)換discrete 離散的，分立的eliminate 消去，淘汰emergence 出現(xiàn)，發(fā)生計(jì)算機(jī)專業(yè)英語教程122022-2-6Keywordsexpansion 擴(kuò)展，擴(kuò)大evolutionary 發(fā)展，進(jìn)化illustrator 說明者instruction 指令latch 獲得，抓住mainframe 大型機(jī)manufacturer 制造商notable 顯著的，著名的obsolescent 廢棄，淘汰occupy 占據(jù)，占用計(jì)算機(jī)專業(yè)英語教程132022-2-6Keywords portable 便攜式的prominent 突出的，重要的pro

13、prietary 專有的，獨(dú)占的reliable 可靠的，確實(shí)的represent 描述，表示revolutionary 革命性的silicon 硅socket 插座，插槽transistor 三極管vacuum 真空計(jì)算機(jī)專業(yè)英語教程142022-2-6Notes 1 By using various coding techniques, group of bits can be made to represent not only binary number but also other discrete symbols, such as decimal digits or letter

14、of alphabet.譯文：通過應(yīng)用各種編碼技術(shù)，字位的組合不但可以用來表示二進(jìn)制數(shù)，還可以表示其它的離散符號(hào)，比如十進(jìn)制數(shù)字和字母表上的字母等。說明：本句的“By using various coding techniques”作狀語，主句采用被動(dòng)語態(tài)。計(jì)算機(jī)專業(yè)英語教程152022-2-6Notes 2 The transistor meant more powerful, more reliable, and less expensive computers that would occupy less space and give off less heat than did vac

15、uum-tube-powered computers.譯文：使用晶體管可做成功能更強(qiáng)、更可靠、更價(jià)廉的計(jì)算機(jī)，它與真空管計(jì)算機(jī)相比占地面積小，功耗小。說明：本句的“that”引導(dǎo)定語從句，修飾賓語“computers”。計(jì)算機(jī)專業(yè)英語教程162022-2-6Notes 3 In addition to the microprocessor, a personal computer has a keyboard for entering data, a monitor for displaying information, and a storage device for saving data

16、.譯文：除了微型處理器，個(gè)人計(jì)算機(jī)還有輸入數(shù)據(jù)的鍵盤、顯示信息的顯示器和存儲(chǔ)數(shù)據(jù)的存儲(chǔ)裝置。說明：本句中的“In addition to the microprocessor”是狀語，賓語是“keyboard”、“monitor”和“storage device”，賓語后的“for”結(jié)構(gòu)是賓語補(bǔ)足語。計(jì)算機(jī)專業(yè)英語教程172022-2-6Notes 4 Desktop computers are the natural choice when a computer remains in the same place for all of its working life.譯文：當(dāng)一臺(tái)計(jì)算機(jī)在它

17、整個(gè)工作期間一直都被放在同一個(gè)地方時(shí)，臺(tái)式計(jì)算機(jī)是一個(gè)理所當(dāng)然的選擇。說明：本句由“when”引導(dǎo)時(shí)間狀語從句。計(jì)算機(jī)專業(yè)英語教程182022-2-6Notes 5 In addition, the common parts specifications allow a repair shop to maintain a smaller inventory because they can use the same parts in many different desktop computer makes and models.譯文：此外，一般的配件說明書中都允許維修車間維持較少的庫存量，這

18、是因?yàn)樗麄兡軌蛟诓煌钠放坪湍Ｐ偷呐_(tái)式計(jì)算機(jī)上使用相同的配件。說明：本句由“because”引導(dǎo)原因狀語從句，“to maintain a smaller inventory”作賓語補(bǔ)足語。計(jì)算機(jī)專業(yè)英語教程192022-2-61.2 Reading Material 1：MotherboardoMotherboard is generally rectangular circuit board.oMotherboard is usually composed of a CPU slot, an AGP slot, a CNR slot, five PCI slots, three DIMM

19、slots, two IDE interfaces, a floppy drive interface, two serial ports, one parallel port, a PS/2 keyboard interface, a PS/2 mouse interface, two USB interfaces, erasable BIOS, control chip sets and other components. 計(jì)算機(jī)專業(yè)英語教程202022-2-6Sound Card and Graphics oSound card is audio sound card. Its basi

20、c function is to produce and handle voice signals, and then transfer the signals to the speakers. oGraphics works more as a coprocessor. It is right for accelerating graphics processing operation, and the CPU can handle other more important tasks. 計(jì)算機(jī)專業(yè)英語教程212022-2-6Keywordsaccelerate 加速，促進(jìn)attention

21、 注意，留意chassis 機(jī)箱lever 杠桿merely 只，純粹needle 針，磁針orifice 口，孔popularity 普及，流行rectangular 矩形的strictly 精密地，嚴(yán)格地計(jì)算機(jī)專業(yè)英語教程222022-2-61.3 Reading Material 2：Notebook ComputeroHigher performance of CPUs, multimedia technology, as well as bigger memory and large-capacity silicon chips allow manufacturers to put

22、in fancier things into notebook computers. oThe trend of notebook computers is as follows:nFaster speed. Processors used are now usually fast CPUs.nLarge storage capacity.nMultimedia capabilities. To support microphones, headphones, video-performance, and CD-ROM.nEasier input methods. Pen, voice, an

23、d speech recognition in future.nBuilt-in data communication support. Networking, built-in modern, even wireless support.計(jì)算機(jī)專業(yè)英語教程232022-2-6Keywords affordable 負(fù)擔(dān)得起的compromise 折衷方案，調(diào)和fancier 行家，空想家headphone 頭戴受話器，耳機(jī)innovation 創(chuàng)新，革新interview 協(xié)商，會(huì)談intuitive 直覺的，直觀的返回計(jì)算機(jī)專業(yè)英語教程242022-2-6Unit 2 CPU and Me

24、mory2.1 TextoThe CPU means the Central Processing Unit. It is the heart of a computer system. oA CPU can be a single microprocessor chip, a set of chips, or a box of boards of transistors, chips, wires, and connectors. oTwo main performance factors of CPU are clock rate and word size.計(jì)算機(jī)專業(yè)英語教程252022

25、-2-664-bit ProcessorsoSixty-four-bit processors have been with us since 1992, and in the 21st century they have started to become mainstream. oSixty-four-bit processors have 64-bit ALUs, 64-bit registers, 64-bit buses and so on. 計(jì)算機(jī)專業(yè)英語教程262022-2-6MultiprocessingoMultiprocessing refers to the organi

26、zational technique in which a number of processor units are employed in a single computer system to increase the performance of the system in its application environment above the performance of a single processor. oMultiprocessor systems may be classified into four types: SISD,SIMD,MISD, and MIMD.

27、計(jì)算機(jī)專業(yè)英語教程272022-2-6MemoryoRAM and ROM play important roles of storage devices. oComputer memory is measured in kilobytes or megabytes of information. oCache is another factor affecting CPU performance. It is special high speed memory that gives the CPU more rapid access to data. 計(jì)算機(jī)專業(yè)英語教程282022-2-6K

28、eywordsconstraint 約束，強(qiáng)制力contribute 貢獻(xiàn)distinguish 區(qū)別，辨別emit 發(fā)射，發(fā)行independently 獨(dú)立地，任意地kilobyte 千字節(jié)megahertz 兆赫mainstream 主流manipulate 處理，控制performance 性能計(jì)算機(jī)專業(yè)英語教程292022-2-6Keywordspermanent 永久的，不變的quadrillion 千的五次冪，千萬億register 寄存器respective 分別的，各自的serially 連續(xù)地，順次server 服務(wù)器simultaneously 同時(shí)發(fā)生的specific

29、ation 規(guī)范，規(guī)格，說明tendency 傾向，趨勢(shì)計(jì)算機(jī)專業(yè)英語教程302022-2-6Notes1 Every processor comes with a unique set of operations such as ADD, STORE, or LOAD that represent the processors instruction set.譯文：每個(gè)處理器都有一個(gè)獨(dú)特的諸如ADD、STORE或LOAD這樣的操作集，這個(gè)操作集就是該處理器的指令系統(tǒng)。說明：本句的賓語是“operations such as ADD, STORE, or LOAD”，“that represe

30、nt the processors instruction set”作定語，修飾賓語。計(jì)算機(jī)專業(yè)英語教程312022-2-6Notes2 The clock rate set by the system clock determines the speed at which the computer can execute an instruction and, therefore, limits the number of instructions that a computer can complete within a specific amount of time.譯文：系統(tǒng)時(shí)鐘的頻率

31、決定了計(jì)算機(jī)執(zhí)行指令的速度，因此限制了計(jì)算機(jī)在一定時(shí)間內(nèi)所能執(zhí)行的指令數(shù)。說明：這是一個(gè)并列句，主語是一個(gè)，“set by the system clock”作定語，修飾主語“The clock rate”，謂語有兩個(gè)“determines”和“l(fā)imits”，“at which the computer can execute an instruction”作定語，修飾賓語“speed”，而“that a computer can complete within a specific amount of time”也是定語，修飾“instructions”。計(jì)算機(jī)專業(yè)英語教程322022-2

32、-6Notes3 With a 64-bit address bus and wide, high-speed data buses on the motherboard, 64-bit machines also offer faster I/O speeds to things like hard disk drives and video cards.譯文：利用主板上的64位地址總線與寬的高速數(shù)據(jù)總線，64位機(jī)器還提供了硬盤驅(qū)動(dòng)器、顯示卡等的高速I/O速度。說明：本句的“With a 64-bit address bus and wide, high-speed data buses o

33、n the motherboard”作狀語，“to things like hard disk drives and video cards”是賓語補(bǔ)足語。計(jì)算機(jī)專業(yè)英語教程332022-2-6Notes4 People doing video editing and people doing photographic editing on very large images can benefit from this kind of computing power.譯文：這類計(jì)算功能對(duì)進(jìn)行視頻編碼和進(jìn)行超大圖像照片編輯的人有好處。說明：本句的主語是并列的兩個(gè)“people”，“doing v

34、ideo editing”修飾第一個(gè)“people”，“doing photographic editing on very large images”修飾第二個(gè)“people”。計(jì)算機(jī)專業(yè)英語教程342022-2-6Notes5 The memory unit is an essential component in any digit computer since it is needed for storing the programs that are executed by the CPU.譯文：任何一臺(tái)數(shù)字計(jì)算機(jī)都需要存儲(chǔ)CPU所執(zhí)行的程序，因此，存儲(chǔ)器是計(jì)算機(jī)最重要的部件之一。說

35、明：本句由“since”引導(dǎo)原因狀語從句。計(jì)算機(jī)專業(yè)英語教程352022-2-62.2 Reading Material 1：Hard DisksoHard disks were invented in the 1950s. They started as large disks up to 20 inches in diameter holding just a few megabytes. oA typical desktop machine will have a hard disk with a capacity of between 10 and 40 gigabytes. Data

36、 is stored onto the disk in the form of files. 計(jì)算機(jī)專業(yè)英語教程362022-2-6Keywordsaluminum 鋁coil 一圈，盤繞detach 分開，脫離equalize 均衡，調(diào)整incredibly 驚人的。不可思議的platter 圓盤seal 密封，隔離tolerance 忍受，耐性u(píng)nderneath 在下面，在底部wedge 楔，楔形計(jì)算機(jī)專業(yè)英語教程372022-2-62.3 Reading Material 2：RISCoRISC processors only use simple instructions that

37、can be executed within one clock cycle. oThese RISC “reduced instructions” require less transistors of hardware space than the complex instructions, leaving more room for general purpose registers. oThe CISC approach attempts to minimize the number of instructions per program, sacrificing the number

38、 of cycles per instruction. 計(jì)算機(jī)專業(yè)英語教程382022-2-6Keywordsappropriate 合適的，適當(dāng)?shù)腶pproximately 接近地，近似地commercial 商業(yè)上的，貿(mào)易的competitive 競(jìng)爭(zhēng)的，競(jìng)賽的foothold 立足點(diǎn)operand 操作數(shù)pipeline 管線，管道predecessor 祖先，前任，前輩primary 主要的，最初的sacrifice 犧牲，損失返回計(jì)算機(jī)專業(yè)英語教程392022-2-6Unit 3 Input and Output Systems3.1 TextoUsing input devices

39、, people “tell” the computer what it should do and the computer feedback the result through output devices. oInput and output devices are the interfaces of man and machine. 計(jì)算機(jī)專業(yè)英語教程402022-2-6KeyboardoThe keyboard is used to type information into the computer or input information. oEach key on a sta

40、ndard keyboard has one or two characters. oThe standard keyboard has 101 keys. oNotebooks have embedded keys accessible by special keys or by pressing key combinations. 計(jì)算機(jī)專業(yè)英語教程412022-2-6MouseoThe most conventional kind of mouse has two buttons on the top: the left one is used most frequently. oA m

41、ouse consists of a metal or plastic housing or casing, a ball that sticks out of the bottom of the casing and rolls on a flat surface, one or more buttons on the top of the casing, and a cable that connects the mouse to the computer. oThe positioning is relative to some starting place. 計(jì)算機(jī)專業(yè)英語教程4220

42、22-2-6CRT MonitoroCRT monitor means a cathode ray tube monitor. They have five main components: electron gun, deflection coil, shadow mask, phosphor layer and the glass casing. oClassic CRT uses electron gun to fire high-speed electrons, and controls the deflection angle of high-speed electrons thro

43、ugh vertical and horizontal deflection coils. 計(jì)算機(jī)專業(yè)英語教程432022-2-6LCD monitoroLCD is constituted by the two glass panels, 1 mm thick, which are separated by 5 m even spacing containing liquid crystal material. oFor the LCD monitor with picture stability and flicker-free sense, the refresh rate is not

44、 high, but the image is also very stable. 計(jì)算機(jī)專業(yè)英語教程442022-2-6I/O subsystem organization and interfacingoEach I/O device is connected to the computer systems address, data, and control buses. oEach I/O device includes I/O interface circuitry. oIt is actually this circuitry that interacts with the bus

45、es. oThe circuitry also interacts with the actual I/O device to transfer data. 計(jì)算機(jī)專業(yè)英語教程452022-2-6Keywordsabsorption 吸收，合并accessible 容易理解的，能接近的chiaroscuro 明暗對(duì)比法conventional 常規(guī)的，約定的cursor 光標(biāo)deflection 偏轉(zhuǎn)，偏離electron 電子embed 嵌入，嵌進(jìn)feedback 反饋hierarchical 等級(jí)的計(jì)算機(jī)專業(yè)英語教程462022-2-6Keywordsinvalid 無效的，無用的inte

46、rface 接口，界面layout 布局millisecond 毫秒phosphor 熒光粉，磷光體phosphorescence 熒光，磷光radiate 發(fā)光，輻射shadow 陰影，影像計(jì)算機(jī)專業(yè)英語教程472022-2-6Notes1 A mouse is a small device that a computer user pushes across a desk surface in order to point to a place on a display screen and to select one or more actions to take from that p

47、osition.譯文：鼠標(biāo)是一種小型的設(shè)備，用戶可以在桌面上移動(dòng)，以指向屏幕上的某個(gè)位置并從該位置選擇一項(xiàng)或多項(xiàng)操作。說明：本句的“that a computer user pushes across a desk surface”作定語，修飾賓語，“in order to”引導(dǎo)目的狀語。計(jì)算機(jī)專業(yè)英語教程482022-2-6Notes2 Viewing the cursors present position, the user readjusts the position by moving the mouse.譯文：看到光標(biāo)的當(dāng)前位置后，用戶可以移動(dòng)鼠標(biāo)再次進(jìn)行調(diào)整。說明：本句的“Vie

48、wing the cursors present position”是狀語，“by moving the mouse”也是狀語。計(jì)算機(jī)專業(yè)英語教程492022-2-6Notes3 When the electrodes in LCD generate electric field, the liquid crystal molecules have been distorted, thus the light through them is regularly refracted, and then through the second layers filter, it will be di

49、splayed on screen.譯文：當(dāng)LCD中的電極產(chǎn)生電場(chǎng)時(shí)，液晶分子就會(huì)產(chǎn)生扭曲，從而將穿越其中的光線進(jìn)行有規(guī)則的折射，然后經(jīng)過第二層過濾層的過濾在屏幕上顯示出來。說明：本句是并列句，由“When”引導(dǎo)時(shí)間狀語從句，“thus”引導(dǎo)的是結(jié)果狀語，“and then through the second layers filter”作狀語，修飾并列句的第二部分。計(jì)算機(jī)專業(yè)英語教程502022-2-6Notes4 The LCD monitor also adopts LCD control transmittance technological principles for the o

50、verall luminous floor, so it is realty the complete plane.譯文：LCD顯示器還采用液晶控制透光度技術(shù)的原理讓底板整體發(fā)光，所以它真正是完全平面。說明：本句的“for the overall luminous floor”是賓語補(bǔ)足語，“so it is realty the complete plane”是結(jié)果狀語。計(jì)算機(jī)專業(yè)英語教程512022-2-6Notes5 Such a device requires a combined interface that is essentially two interfaces, one fo

51、r input and the other for output.譯文：這樣的設(shè)備需要一個(gè)組合接口，本質(zhì)上是兩個(gè)接口，一個(gè)用于輸入，另一個(gè)用于輸出。說明：本句的“that”引導(dǎo)定語從句。計(jì)算機(jī)專業(yè)英語教程522022-2-63.2 Reading Material 1：MouseoA ball inside the mouse touches the desktop and rolls when the mouse moves.oTwo rollers inside the mouse touch the ball. One of the rollers is oriented so that

52、 it detects motion in the x direction, and the other is oriented 90 degrees to the first roller so it detects motion in the y direction. 計(jì)算機(jī)專業(yè)英語教程532022-2-6oThe rollers each connect to a shaft, and the shaft spins a disk with holes in it. When a roller rolls, its shaft and disk spin.oOn either side

53、of the disk there is an infrared LED and an infrared sensor. oAn on-board processor chip reads the pulses from the infrared sensors and turns them into binary data that the computer can understand. 計(jì)算機(jī)專業(yè)英語教程542022-2-6Keywordsamazing 令人驚異的complimentary 互補(bǔ)型motion 移動(dòng)，動(dòng)作optical 光學(xué)上的rotate 輪流，旋轉(zhuǎn)scene 場(chǎng)面，

54、場(chǎng)景，景色semiconductor 半導(dǎo)體wheel 輪，輪狀物計(jì)算機(jī)專業(yè)英語教程552022-2-63.3 Reading Material 2：USBoA USB system has an asymmetric design, consisting of a host controller and multiple daisy-chained peripheral devices. oWhen a device is first connected, the host enumerates and recognizes it, and loads the device driver i

55、t needs. oThe connectors are designed to be robust. 計(jì)算機(jī)專業(yè)英語教程562022-2-6Keywordsasymmetric 不對(duì)稱的automatically 自動(dòng)的，機(jī)械的branching 分支，分流diverge 分開，分岔enumerate 枚舉，列舉，數(shù)explicit 明確的，顯而易見的legacy 傳統(tǒng)，老化的peripheral 外圍的，外設(shè)sheath 護(hù)套，外殼，包裝terminate 結(jié)束，終止terminology 術(shù)語，專門名詞tongue 舌狀物webcam 網(wǎng)絡(luò)攝像機(jī)返回計(jì)算機(jī)專業(yè)英語教程572022-2-6

56、Unit 4 C+ Language4.1 TextoC+ is a general-purpose programming language with high-level and low-level capabilities. oIt is a statically typed, free-form, multi-paradigm, usually compiled language supporting procedural programming, data abstraction, object-oriented programming, and generic programmin

57、g. 計(jì)算機(jī)專業(yè)英語教程582022-2-6C+ and CoC+ is often considered to be a superset of C, but this is not strictly true. oMost C code can easily be made to compile correctly in C+, but there are a few differences that cause some valid C code to be invalid in C+, or to behave differently in C+.o C+ has the same t

58、ypes, operators, and other facilities defined in C that usually correspond directly to computer architecture. 計(jì)算機(jī)專業(yè)英語教程592022-2-6C+ class oThe C+ class is an extension of the C and C+ struct type and forms the required abstract data type for object-oriented programming. oIn a C+ class, you control f

59、unctional details of the object by using private, public, or protected descriptors. oThe C+ class actually serves as a template or pattern for creating objects. 計(jì)算機(jī)專業(yè)英語教程602022-2-6Keywordsabbreviate 縮寫，省略constructor 建造者，建設(shè)者facility 方便，簡便，機(jī)構(gòu)hierarchy 等級(jí)，層次inheritance 繼承，承受interaction 互動(dòng)，交互，相互作用invoke

60、 引起，產(chǎn)生paradigm 范例，示例polymorphism 多態(tài)性計(jì)算機(jī)專業(yè)英語教程612022-2-6Keywordsprototype 原型，樣板，標(biāo)準(zhǔn)semantics 語義學(xué)statically 靜止地，靜態(tài)地superset 超集syntax 語法template 模板ultimately 最終的，極限的vocabulary 詞匯，單詞表計(jì)算機(jī)專業(yè)英語教程622022-2-6Notes1 Computers, on the other hand, process these instructions through using special programs, which,