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1、Unit1MyComputer,SectionAComputeroverviewIntroductionHistory1.theanalyticalengine2.earlycomputers3.electroniccomputers4.integratedcircuitsIII.HardwareIV.ProgrammingV.Futuredevelopments,ProfessionaltermsNumericala.numericaldataManipulatev.manipulatinginformationTransactionn.bankingtransactionsAutomati。

2、onn.techniquesofautomationEnhancev.enhancescommunicationsystemsConjecturen.newareasofconjectureDatabasen.databaseservicesPrivacyn.businessprivacy,Introduction,Notesdevicethatcan限定性定語(yǔ)從句，修飾device.限定性定語(yǔ)從句修飾前面的名詞，使其有別于其他同類(lèi)名詞。這類(lèi)從句對(duì)清楚了解所修飾名詞的特征是必不可少的。Carryoutsth=carrysthout:todoandcompleteataskCouldnothav。

3、edone:本不應(yīng)該，本不可能Comeabout:tohappenExceptfor=except若不是Openup:todeveloporstarttohappenorexistInitself:consideredseparatelyfromotherthings,initstruenature.本身,Introduction,用于限定性關(guān)系從句的關(guān)系代詞(沒(méi)有what)主格賓格所有格指代人whowhom/whowhosethatthat指代物whichwhichwhose/ofwhichthatthat用于非限定性關(guān)系從句的關(guān)系代詞(沒(méi)有what)主格賓格所有格指代人whowhom/wh。

4、owhose指代物whichwhichwhose/ofwhich,Introduction,NotesMake+賓語(yǔ)+available，make+賓語(yǔ)+possibleAvailable:(ofsth)thatyoucangetbuyorfindWhenwilltheinformationbemadeavailable?Furtherinformationisavailableonrequest.Thiswastheonlyroomavailable.Everyavailabledoctorwascalledtothescene.(ofaperson)freetoseeortalktopeo。

5、ple:Willyoubeavailablethisafternoon?,Introduction,ProfessionaltermsPrecursorn.aprecursorofadigitalcomputerDigitn.adigitfrom0to9Loomn.automaticloomPerforateda.perforatedwoodenboardsConceivev.conceivetheideaPunchedcardElectricalcontactCpilestatisticalinformationCensusn.UnitedStatescensus,II.History,No。

6、tesEmploy:(formal)usesthforaparticularpurposeeachtoothrepresenting現(xiàn)在分詞代替從句，同時(shí)該分詞有自己的主語(yǔ)。Improveon/uponsth:toachieveorproducesththatisofabetterqualitythansthelse.改進(jìn)改良inprep.:foraparticularperiodoftimeIhaventseenhiminyears.Employingasystem現(xiàn)在分詞代替從句，主語(yǔ)與主句中的主語(yǔ)相同。,II.History,ProfessionaltermsAnalyticala.th。

7、eanalyticalengineDifferenceEnginethedifferenceengineInputstreamaninputstreamAnaloga.analogcomputersShaftn.rotatingshaftsApproximationn.numericalapproximationCputingsystemsTorpedon.torpedocoursepredictorsSubmarinen.insubmarinesBombsightn.bombsightcontrollers,II.History1.2.,NotesWorkout:toplanorthinko。

8、fsthIhaveworkedoutanewwayofdoingit.Suchas:forexampleThegoodstudentssuchasZhengXinandSunMingarebecomingrare.machines,suchasthedifferenceengine,that中的that修飾前面的machines,suchas作為插入語(yǔ)Consider:considersb/sth(as)sthThisawardisconsidered(tobe)agreathonor.Heconsidershimselfanexpertonnetworking.,II.History1.2.。

9、,NotesFailto:notsucceed,nottodo/反意managetoIfailedinmyattempttopersuadeher.Shefailedtogetintoartcollege.Hefailedtokeeptheappointment.Putsth.intopracticeshehasdeterminetoputhernewideasintopracticesBymeansofsth:(formal)withthehelpofsth:Theloadwasliftedbymeansofacrane.Bynomeans:notatallSheisbynomeansani。

10、nexperienceteacher.,II.History1.2.,ProfessionaltermsIncorporatev.incorporated1500vacuumtubesVacuumtubeCrackv.CrackGermanradiomessagesEncipherv.encipheredintheEnigmacodePrototypen.aprototypeelectronicmachineOvershadown.beovershadowedIntegratorn.electronicnumericalintegratorPatentn.ENIACisgrantedapate。

11、nt.Overturnv.beoverturned,II.History3.,ProfessionaltermsHungariana.Hungarian-AmericanmathematicianMemoryn.werestoredwithinamemoryPaper-tapereaderExecutionn.duringexecutionTranrsistorn.thetransistorincomputerAdventn.markedtheadventVersatilea.versatilelogicalelements,II.History3.,NotesInthelargelysucc。

12、essfulattemptto:anactoftryingdosth,especiallysthdifficult.Twofactorieswereclosedinanattempttocutcosts.Independentlyofsb/sthThetwodepartmentsworkindependentlyofeachother.PatentApplyforpatent/obtainapatentonaninventionThedevicewasprotectedbypatent.Thisdevicewasgrantedapatent.,II.History3.,NotesBasedon。

13、sth:ifonethingisbasedonanother,itusesitorisdevelopedfromit.Thereportisbasedonfiguresfromsixcities.Free.From./ofsth:notcontainingoraffectedbysthharmfulorunpleasant:FreefromdifficultyItwasseveralweeksbeforehewascompletelyfreeofpain.fat-freeyoghurt/tax-freeearnings/atrouble-freelife/dutyfree免稅,II.Histo。

14、ry3.,ProfessionaltermsintegratedcircuitIC集成電路Large-scaleintegratedcircuitLSI大規(guī)模集成電路Verylarge-scaleskeilintegratedcircuitVLSI超大規(guī)模集成電路*s后發(fā)音：t-d,k-g,p-b,stable,scale,springLogicalelementFabricatev.befabricatedonSiliconn.siliconsubstrate硅襯底Substraten.Microprocessorn.themicroprocessorMicrochipn.Etchv.bee。

15、tchedintoBinarya.eightbinarydigitsBitn.bps網(wǎng)絡(luò)傳輸數(shù)據(jù)的最小單位Byten.Bps文件存儲(chǔ)的最小單位(1Byte=8bits)Datumn.Datapl.,II.History4.,ProfessionaltermsGraphicsn.agraphicssymbolDecimala.thedecimalnumberSwitcha.initsswitchesChipn.memory-chipInstructionsetOngoinga.Theongoingdevelopment,II.History4.,NotesResultinsth:tomakest。

16、hhappenThecyclonehasresultedinmanythousandsofdeaths.CompareAtoB:toshoworstatethatsb/sthissimilartosb/sthelse.Theteachercomparedhisworktoyourwork.ofwhich介詞+which的定語(yǔ)從句在科技英語(yǔ)中很常見(jiàn),II.History4.,ProfessionaltermsConceptuallyad.ConceptuallysimilarMicrocomputern.amicrocomputerDesktopn.adesktoplaptopn.alaptop。

17、Briefcasen.inabriefcasePalmtopn.apalmtopWorkstationn.aworkstationMinicomputern.aminicomputerMainframen.amainframeSupercomputern.asupercomputerBusn.abus,III.Hardware,NotesRegardlessofprep.:payingnoattentiontosth/sbTheclubwelcomesallnewmembersregardlessofage.Theycanbedividedintoseveralcategoriesontheb。

18、asisofcostandperformance.Itisasystemcomposedoffivedistinctelements.Wateriscomposedofhydrogenandoxygen.England,ScotlandandWalescomposetheislandofGreatBritain.,III.Hardware,ProfessionaltermsDedicateda.dedicatedcomputersEmbedv.areembeddedincircuitryn.intheircircuitry,IV.Programming,NotesOnceconj.:assoo。

19、nas/whenWedidntknowhowwewouldcopeoncethemoneyhadgone.Asconj:inthewayinwhichtheydidasIhadasked.shelostit,justasIsaidshewould.Awiderangeofthehoteloffersawiderangeoffacilitiesandservices.,IV.Programming,ProfessionaltermsMicrominiaturizationn.thetendismicrominiaturizationSuperconductivityn.theuseofsuper。

20、conductivityArtificialintelligenceNeuraln.neuralnetworkMimicv.itmimicsthearchitectureArchitecturen.thearchitectureofthesystemNputernetworking,V.Futuredevelopments,NotesSpeedup:tomoveorhappenfaster;ormakesthmoveorhappenfasterThetrainsoonspeededup.Theyhavespeededupproductionofthenewcar.Merit:todosthtodeservepraise,attentionThecasedoesnotmeritfurtherinvestigation.,V.Futuredevelopments。

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