《计算机专业英语》课件Unit1

Unit1ComputerHardwareUnit2ComputerSoftware

Unit3ComputerNetwork

Unit4MultimediaCONTENTS目录

Unit5E-commerce

Unit6ComputerSecurity

Unit7BigData

Unit8CloudComputingUnit1ComputerHardwareSpeakingListeningReadingWritingSpeaking1.LookatthefollowinggraphicandspeakouteachpartofcomputerhardwaresysteminChinese.InputDevice输入设备CentralProcessingUnit中央处理单元ControlUnit控制器Arithmetic\LogicUnit算法\逻辑单元MemoryUnitOutputDevice输出设备存储单元Speaking2.ListtheChinesenamesofthemarksinthefollowinghardwarecomponentsofapersonalcomputer.1.显示器2.硬盘驱动器3.鼠标4.键盘5.扫描仪6.打印机7.调制解调器

Speaking3.Supposeyouareacomputerengineer.GiveapresentationtoeachpictureinEnglish.Picture1Speaking3.Supposeyouareacomputerengineer.GiveapresentationtoeachpictureinEnglish.Picture2Hints:Basichardwarecomponentsofamodernpersonalcomputerincludinga

monitor,amotherboard,a

CPU,a

RAM,twoexpansioncards,a

powersupply,an

opticaldiscdrive,a

harddiskdrive,a

keyboard

anda

mouse.Listening1.Listencarefullyandchoosethewordsyouhear.1.A.bat B.bet C.dad D.debt2.A.mood B.food C.good D.look3.A.peace B.please C.piece D.pleasure4.A.shape B.sheep C.ship D.sleep5.A.cheese B.cheap C.chair D.chemical6.A.form B.fur C.firm D.further 7.A.pig B.bit C.beat D.dig8.A.goods B.glass C.guess D.class9.A.board B.Bob C.boot D.boat10.A.deep B.kid C.keep D.kick

Keys:1.C.2.B.3.B.4.D.5.D.6.A.7.D.8.C.9.A.10.B.Listening2.Listentotheshortpassageandchoosetheproperwordstofillintheblanks.Americanand1(British,Chinese,Japanese)peopleusedifferentgreetings.IntheUSA,thecommonest2(saying,greeting,speaking)is“Hi”.InBritainitis“Hello!”or“Howareyou?”.“Hi!”isspreadingintoBritish,too.Whentheyareintroducedtosomeone,theAmericanssay,“Gladto3(meet,know,see)you”.TheBritishsay,“Howdoyoudo?”or“4(Glad,Nice,Pleased)tomeetyou.”WhenAmericanssay“Goodbye”,theynearlyalwaysadd,“Haveagoodday.”or“Haveagoodtrip.”etc.tofriendsandstrangersalike.TheBritisharealreadybeginningtouse“Haveagood5(day,trip,holiday).”

Listening3.Listentothedialogueandchoosethebestresponsestowhatyouhear.1.A:Whatapleasure.B:I’mverypleased.C.It’smypleasure.D.Pleasedtomeetyou._________2.A:Thankyou.I’mLiGuang.B:Hopetoseeyouagain.C.Howareyoudoing?D.Gladtomeetyou._________3.A:Whatbringsyouhere?B:Howdoyoudo,MissEvans?Verygladtoseeyou.C.Verygood.Howareyou?D.Hi,Lucy.Whatanicesurprise!________4.A:Howareyou,Tom B:Fine,thankyou.C:Howdoyoudo,Tom?D:Notsobad._________

DDBCListening3.Listentothedialogueandchoosethebestresponsestowhatyouhear.5.A.I’mgladtomeetyou.B.Howoldareyou,SunHao?C.Isthatso,Tom?D.AreyoureallySunHao?_________6.A.Sayhellotoyou. B.Howareyoudoing?C.Howdoyoudo?D.It’sapleasuretomeetyou._________7.A:NicetomeetyouHelen.B:Howareyougettingalong?C.Fine,thanks.D.Thanksalot._________8.A.That’sverynice B.Nicetomeetyou,too.C.It’sverykindofyou.D.SodoI._________

ACABListening4.Listentothedialoguesandchoosethebestanswertoeachquestionyouhear.1. A.Mary. B.Jane.C.Sue. D.Kitty.2. A.Spring. B.Summer.C.Autumn. D.Winter.3. A.Playfootball. B.Playbasketball. C.Gotothecinema. D.Gocycling.4. A.Bytaxi. B.Bybus. C.Onfoot. D.Byunderground.5. A.Ataquartertothree. B.Atthreeo’clock. C.Ataquarterpastthree.D.Athalfpasttwo.Listening5.Listentothedialogueandanswerthefollowingquestionsbyfillingintheblanks.1.Wheredidthedialoguetakeplace?Ittookplace_________________.2.WhatisLiuWei?Heis_________________,whoisheretomeetJenny.3.WhatdidJennythinkofthetrip?Shethoughtitwasnot________onthewhole.4.WhydidJennyfeeltired?It’s____________toChina.5.HowlongdidittakeJennytoflytoChina?Forabout_____hours.

attheairportamanager

bad

alongway

nine

Listening6.Listentothepassageandfillintheblankswithwordsyouhear.Somenewwordsgivenbelowwillbeofsomehelptoyou.Likemanyotherfreshmen,Ishowedgreat1incollegelifewhenIarrivedatthecollege.Isawnewfaces,madenew2,wenttonewplaces,andhadnewclasses.Everythingseemednewandinterestingtome.Oneweeklater,webegantohave3.Onweekdays,Ihadmanyclasses,suchasmathematics,businessand4.Onweekends,Iwouldclimbthemountainsorgotothe5withmyclassmatesbybicycle.Sometimeswehada6andIusuallyhadagoodtimethere.Whenwewereabouttograduate,weheldalotof7oncampustocelebrateourgraduationandshowour8toeachother.Nowfiveyearshavepassed,butcollegelifeisstill9inmymindandIstillcherishthosegoodolddaysatcollege.Imissmyclassmatesverymuch,andIdreamthatallofourclassmatescan10againatcollegesomeday.

Keys:1.interest2.friends

3.classes

4.English

5.beach

6.picnic

7.parties

8.friendship

9.fresh

10.meetReadingPassageA

ComputerHardware(I)Computerhardwareisthecollectionofphysicalcomponentsthatconstituteacomputersystem.Computerhardwareisthephysicalpartsorcomponentsofacomputer,suchasmonitor,keyboard,computerdatastorage,graphiccard,soundcard,motherboard,andsoon,allofwhicharetangibleobjects.Bycontrast,softwareisinstructionsthatcanbestoredandrunbyhardware.Hardwareisdirectedbythesoftwaretoexecuteanycommandorinstruction.Acombinationofhardwareandsoftwareformsausablecomputingsystem.PersonalcomputerApersonalcomputer,alsoknownasthePC,isoneofthemostcommontypesofcomputerduetoitsversatilityandrelativelylowprice.Laptopsaregenerallyverysimilar,althoughtheymayuselower-powerorreducedsizecomponents,thuslowerperformance.

ReadingPassageA

ComputercaseThecomputercaseisaplasticormetalenclosurethathousesmostofthecomponents.Thosefoundondesktopcomputersareusuallysmallenoughtofitunderadesk;however,inrecentyearsmorecompactdesignshavebecomemorecommonplace,suchastheall-in-onestyledesignsfromApple,namelytheiMac.Acasecanbeeitherbigorsmall,buttheformfactorofmotherboardforwhichitisdesignedmattersmore.Laptopsarecomputersthatusuallycomeinaclamshellformfactor;however,inmorerecentyears,deviationsfromthisformfactor,suchaslaptopsthathaveadetachablescreenthatbecometabletcomputersintheirownright,havestartedtoemerge.

ReadingPassageAPowersupplyunitApowersupplyunit(PSU)convertsalternatingcurrent(AC)electricpowertolow-voltageDCpowerfortheinternalcomponentsofthecomputer.Laptopsarecapableofrunningfromabuilt-inbattery,normallyforaperiodofhours.MotherboardItisaboardwithintegratedcircuitrythatconnectstheotherpartsofthecomputerincludingtheCPU,theRAM,thediskdrives(CD,DVD,harddisk,oranyothers)aswellasanyperipheralsconnectedviatheportsortheexpansionslots.

ReadingPassageA

Computerhardwareisthe______(1)ofphysicalcomponentsthatconstituteacomputer______(2).Computerhardwareisthephysicalpartsor______(3)ofacomputer,suchasmonitor,______(4),computerdatastorage,graphiccard,soundcard,motherboard,andsoon,allofwhicharetangibleobjects.Bycontrast,______(5)isinstructionsthatcanbe______(6)andrunbyhardware.

1.Fillintheblankswithoutreferringtothepassagecollectionsystemcomponents

keyboard

softwarestoredReadingPassageA1.Whatiscomputerhardware?Computerhardwareisthecollectionofphysicalcomponentsthatconstituteacomputersystem.Computerhardwareisthephysicalpartsorcomponentsofacomputer.2.Whatisapersonalcomputer?Apersonalcomputer,alsoknownasthePC,isoneofthemostcommontypesofcomputerduetoitsversatilityandrelativelylowprice.3.Whatroledoesapowersupplyunitplayinapersonalcomputer?Apowersupplyunit(PSU)convertsalternatingcurrent(AC)electricpowertolow-voltageDCpowerfortheinternalcomponentsofthecomputer.

2.Answerthefollowingquestionsaccordingtothepassage

ReadingPassageA5.Howdolaptopswork?

Laptopsusuallycomeinaclamshellformfactor;however,inmorerecentyears,deviationsfromthisformfactor,suchaslaptopsthathaveadetachablescreenthatbecometabletcomputersintheirownright,havestartedtoemerge.6.Whatroledoesthemotherboardofapersonalcomputerplay?

ItisaboardwithintegratedcircuitrythatconnectstheotherpartsofthecomputerincludingtheCPU,theRAM,thediskdrivesaswellasanyperipheralsconnectedviatheportsortheexpansionslots.

2.Answerthefollowingquestionsaccordingtothepassage

ReadingPassageA1.Hardwareisdirectedby_______toexecuteanycommandorinstruction.2.Ausablecomputingsystemisformedby

_______acombinationofhardwareandsoftware3.Acomputercasecanbeeitherbigorsmall,but

_______ofcomputermotherboardforwhichitisdesignedmattersmore.4.Laptopshaveadetachablescreenthatbecome

_______intheirownright,andtheyhavestartedtoemerge.5.Laptopsarecapableofrunningfrom

_______.6.Thecomputermotherboardisaboardwithintegratedcircuitrythatconnects

_______ofthecomputer

3.Completeeachofthefollowingstatementsaccordingtothepassage

thesoftwareacombinationtheformfactortabletcomputersabuilt-inbatterytheotherpartsReadingPassageA1.我把我的一些东西存放起来。(instorage)

Iputsomeofmythingsinstorage.2.看看他们的新系统，我们的相比之下就显得太过时了。（bycontrast）

Whenyoulookattheirnewsystem,oursseemsveryold-fashionedbycontrast.3.彼得决定直接和经理联系。（direct）

Peterdecidedtocontactthemanagerdirect.4.我喜欢诸如茶和汽水之类的饮料。（suchas）Ilikedrinkssuchasteaandsoda.

4.TranslatethefollowingsentencesintoEnglish.

ReadingPassageA5.这家公司既经营硬件，又经营软件。(hardware,software)

Thecompanydealsinbothhardwareandsoftware.6.这些岩石是40多亿年前形成的。(form)Therockswereformedmorethan4,000millionyearsago.7.个人电脑确实协助推动了一个科学和商业的新时代。（personalcomputer)Indeedthepersonalcomputerhelpeddriveanewerainbothscienceandbusiness.8.你喝茶也行，喝咖啡也行。（either…or)Youcaneitherhaveteaorcoffee.

4.TranslatethefollowingsentencesintoEnglish.

ReadingPassageAComputerhardwareisthephysicalpartsorcomponentsofacomputer,suchasmonitor,keyboard,computerdatastorage,graphiccard,soundcard,motherboard,andsoon,allofwhicharetangibleobjects.

计算机硬件是组成计算机系统的物理元件的集合。计算机硬件即计算机的物理部件或元件，诸如显示屏，键盘，存储设备，显卡，声卡，主板等等，所用这些都是有形物体。2.Hardwareisdirectedbythesoftwaretoexecuteanycommandorinstruction.

计算机硬件由软件指导执行命令或指令。

5.TranslatethefollowingsentencesintoChinese.

ReadingPassageA3.Apersonalcomputer,alsoknownasthePC,isoneofthemostcommontypesofcomputerduetoitsversatilityandrelativelylowprice.个人计算机，也称PC机。由于它的多功能和相对低价位成为最常用的一种计算机类型。4.Thecomputercaseisaplasticormetalenclosurethathousesmostofthecomponents.电脑机箱是一个塑料或金属的包裹着元器件的附件。

5.TranslatethefollowingsentencesintoChinese.

ReadingPassageA5.However,inrecentyearsmorecompactdesignshavebecomemorecommonplace,suchastheall-in-onestyledesignsfromApple,namelytheiMac.不管怎样，近年来更加紧缩的设计已变得司空见惯，例如来自苹果厂家的被命名为苹果一体机的一体化风格设计（即是此类型）。6.Laptopsarecomputersthatusuallycomeinaclamshellformfactor;however,inmorerecentyears,deviationsfromthisformfactor,suchaslaptopsthathaveadetachablescreenthatbecometabletcomputersintheirownright,havestartedtoemerge.记本电脑通常起作用的是它的翻盖外壳（作为机箱），但是最近几年，它的外形已有很大差别，例如为适合自身（需要）变为平板形的可拆屏笔记本电脑已经出现。

5.TranslatethefollowingsentencesintoChinese.

ReadingPassageA7.Apowersupplyunit(PSU)convertsalternatingcurrent(AC)electricpowertolow-voltageDCpowerfortheinternalcomponentsofthecomputer.电源供应器将交流电转变为低压直流电，为计算机内部部件提供电能。8.Laptopsarecapableofrunningfromabuilt-inbattery,normallyforaperiodofhours.笔记本电脑通过内置蓄电池提供能量，通常可以工作数小时。

5.TranslatethefollowingsentencesintoChinese.

ReadingPassageA9.Thecomputermotherboardisthemaincomponentofacomputer.计算机主板是计算机主要部件。

10.ThecomputermotherboardconnectstheotherpartsofthecomputerincludingtheCPU,theRAM,thediskdrives(CD,DVD,harddisk,oranyothers)aswellasanyperipheralsconnectedviatheportsortheexpansionslots.

计算机主板连接着电脑其它部件，包括中央处理器、随机存储器、磁盘驱动器（光盘、数字化视频光盘、硬盘或其它），以及通过接口或膨胀槽连接的外围设备。

5.TranslatethefollowingsentencesintoChinese.

PassageBComputerHardware(II)ExpansioncardAnexpansioncardincomputingisaprintedcircuitboardthatcanbeinsertedintoanexpansionslotofacomputermotherboardorbackplanetoaddfunctionalitytoacomputersystemviatheexpansionbus.Expansioncardscanbeusedtoobtainorexpandonfeaturesnotofferedbythemotherboard.

ReadingPassageBComputerHardware(II)ComputerdatastorageAstoragedeviceisanycomputinghardwareanddigitalmediathatisusedforstoringportingandextractingdatafilesandobjects.Itcanholdandstoreinformationbothtemporarilyandpermanently,andcanbeinternalorexternaltoacomputer,serveroranysimilarcomputingdevice.Datastorageisacorefunctionandfundamentalcomponentofcomputers.

ReadingPassageBComputerHardware(II)FixedmediaDataisstoredbyacomputerusingavarietyofmedia.Harddiskdrivesarefoundinvirtuallyalloldercomputers,duetotheirhighcapacityandlowcost,butsolid-statedrivesarefasterandmorepowerefficient,althoughcurrentlymoreexpensivethanharddrivesintermsofdollarpergigabyte,soareoftenfoundinpersonalcomputersbuiltpost-2007.Somesystemsmayuseadiskarraycontrollerforgreaterperformanceorreliability.

ReadingPassageBComputerHardware(II)

RemovablemediaTotransferdatabetweencomputers,aUSBflashdriveoropticaldiscmaybeused.Theirusefulnessdependsonbeingreadablebyothersystems;themajorityofmachineshaveanopticaldiskdrive,andvirtuallyallhaveatleastoneUSBport.InputandoutputperipheralsPeripheralInputandoutputdevicesaretypicallyhousedexternallytothemaincomputerchassis.Thefollowingareeitherstandardorverycommontomanycomputersystems.

ReadingPassageBComputerHardware(II)InputdeviceInputdevicesallowtheusertoenterinformationintothesystem,orcontrolitsoperation.Mostpersonalcomputershaveamouseandkeyboard,butlaptopsystemstypicallyuseatouchpadinsteadofamouse.Otherinputdevicesincludewebcams,microphones,joysticks,andimagescanners.OutputdeviceOutputdevicesdisplayinformationinahumanreadableform.Suchdevicescouldincludeprinters,speakers,monitorsoraBrailleembosser.

ReadingPassageBReading1.MatchthefollowingEnglishphrasesinColumnAwiththeirChineseequivalentsinColumnB.TranslatethefollowingsentencesintoChinese.

AB1.expansionslot a.物理部件

2.physicalpart b.图像扫描仪

3.alternatingcurrentelectricpower c.虚拟硬盘4.clamshellformfactor d.

扩充插槽5.powersupplyunit e.硬盘驱动器6.computerdatastorage

f.翻盖形式7.harddiskdrive g.交流电8.opticaldisc h.计算机数据存储器9.imagescanner i.电源（箱）10.fixedmedia j.光盘PassageBReading

Task2.DecidewhetherthefollowingstatementsareT(true)orF(false)accordingtothepassage.

1.Acomputerexpansioncardincomputingisacircuitboard.(

)2.Computerexpansioncardscanbeusedtoobtainorexpandonfeaturesofferedbythecomputermotherboard.(

)3.Acomputerstoragedeviceisanycomputinghardwareanddigitalmediathatisusedforstoring,portingandextractingdatafilesandobjects.()4.Astoragedevicecanholdandstoreinformationbothtemporarilyandpermanently.()5.Datastorageinacomputerisacommonfunctionandfundamentalcomponentofcomputers.(

6.Dataisstoredbyacomputerusingavarietyofmedia..()7.Somecomputersystemsmayuseadiskarraycontrollerforgreaterperformanceorreliability.

8Totransferdatabetweencomputers,onlyanopticaldiscmaybeusedinapersonalcomputer.(

9.Inputandoutputdevicesinacomputeraretypicallyhousedexternallytothemaincomputerchassis.

(

)10.Outputdevicesinacomputercouldincludeprinters,speakers,monitorsoraBrailleembosser

.(

)FFFFTTT

TT

TPassageBReading3.TranslatethefollowingpassageintoChinese.

Dataisstoredbyacomputerusingavarietyofmedia.Harddiskdrivesarefoundinvirtuallyalloldercomputers,duetotheirhighcapacityandlowcost,butsolid-statedrivesarefasterandmorepowerefficient,althoughcurrentlymoreexpensivethanharddrivesintermsofdollarpergigabyte,soareoftenfoundinpersonalcomputersbuiltpost-2007.Somesystemsmayuseadiskarraycontrollerforgreaterperformanceorreliability.

数据通过计算机使用各种媒介加以储存。硬盘由于其高性能、低成本几乎使用于所有旧式计算机中。但相比之下固态硬盘更快更高效，尽管当前就美元而言每十亿字节比硬盘相对昂贵而因此出现在了2007年后组建的个人电脑中。一些系统可以使用磁盘阵列控制器从而实现其更高的性能和可靠性。

1.WhatisCentralProcessingUnit?A.Itisthecomputermotherboardofacomputer.

B.Itperformsmostofthecalculationswhichenableacomputertofunction,andissometimesreferredtoasthebrainofthecomputer.C.Itiscalculationswhichenableacomputertofunction,andissometimesreferredtoasthebrainofthecomputer.D.Itisalwaysreferredtoasthebrainofthecomputer.2.HowistheCPU(CentralProcessingUnit)usuallycooled?A.Itisusuallycooledbyanairconditioner.B.Itisusuallycooledbyice-coolingsystem.C.Itisusuallycooledbywaterrecycling. D.Itisusuallycooledbyaheatsinkandfan,orwater-coolingsystem.3.WhatsizedoesRAMusuallycomesonDIMMsin?A.ItusuallycomesonDIMMsinthesizes2GB.B.ItusuallycomesonDIMMsinthesizes4GB.C.ItusuallycomesonDIMMsinthesizes8GB. D.Alltheabove.ExtraReadingReadthefollowingpassageandchoosethebestanswertoeachquestion.✓

✓

✓

ExtraReadingReadthefollowingpassageandchoosethebestanswertoeachquestion.4.WhatdoestheBIOS(BasicInputOutputSystem)include?A.Itincludesbootfirmware,powermanagementfirmwareandbuses.B.Itincludesbootfirmwareandbuses.C.Itincludesbootfirmwareandpowermanagementfirmware.D.Itincludespowermanagementfirmwareandbuses..5.Whatdoesacomputermotherboardmainlyincludeaccordingthepassage?A.ItincludesCPU,thechipset,RAM,ROM,buses,CMOSbattery,videocard.B.ItincludesCPU,thechipset,RAM,ROM,buses,CMOSbattery.C.ItincludesCPU,thechipset,RAM,ROM,buses,videocard.D.ItincludesCPU,ROM,buses,CMOSbattery,videocard.✓

✓

Writing

◆常用语句◆(1)Mr.smith’sappointmentwithyoutomorrowhastobecancelled.（史密斯先生与你明天的约会不得不取消。）

(2)Shewillcontactyouforanotherappointmentwhenheisback.(当她回来时会再与你联系约会。)To:______(收留言条者)Time:______（来电时间）Message:_________________________________________________________________________________________________________________.（来电内容）From:______(电话记录者)1.电话留言条(TelephoneMessage)电话留言条是某人打来电话时，所找的人不在场，你替他或她接了电话后留给该人的字条。下面是电话留言常见的格式：

电话留言条&名片(TelephoneMessage&NameCard)39__________________________________（单位名称）