《計算機專業(yè)英語》課件第14章

DVD-ROM

INTRODUCTION

1DVDstandsforDigitalVersatileDiscorDigitalVideoDiscwhichhashighdensitycapacityofstoring4.7GBofdataonsinglesideandupto17GBondoublesideandduallayer.Inaddition,aDVDisMPEG-2compressedvideocompatibleandhasDolbyDigitalSurroundSoundaudio(knownasAC-3)capabilities.Thatis,thecombinationofDVDtitles,yourstereosetupandthisDVD-ROMdrivepackagewillbringyouincrediblesoundandvisualeffect.

Herearesomeimportantfeatures:

·5.25″halfheightinternaldrive

·Fastspeedandquickaccesstime

·Highdatatransferrate(CAV*technology)

·Efficientpowersavingfeature

·Superiorerrorrecovery

·Readingcapabilityofsingle/duallayerDVDROM/Videodiscs.CD-DA,CD-ROM,CD-ROMXA,CD-I,PhotoCD,VideoCD,CDExtra,CD-Text,CD-R,CD-RW

·Horizontal&Verticaloperation

·Goodvibrationresistance&lownoise*CVA:ConstantAngularVelocity

SystemRequirements(Softwarebundlemodelonly)

TorunDVDtitleswithDVDplaybacksoftwareinstalled,thebasicrequirementsrecommended:

·MicrosoftTMWindows95/OSR2/98/98SE/NT4SP3+/2000/Me

·IntelPentiumⅡ300MHzoraboveforWindows95/98/Me

·IntelPentiumⅡ400MHzoraboveforWindowsNT4.0/2000

·Atleast32MBRAMforWindows95/98/Me

·Atleast64MBRAMforWindowsNT4.0/2000

·Harddiskdrivewithmorethan20MBavailablestorage

·DVD-ROMdrive

·DisplaycardsupportingDirectDraw

Fordetailedinformationpleaserefertothesoftwarepackageyouuse.

USINGTHEDVDROMDRIVE

FrontPanel

Fig.14-1showsthefrontpanel.Therearesixpartsinthefrontpanel.Fig.14-1FrontPanel①HeadphoneJack

Byplugginginthestereominijackhere,youcanlistentoaudiowithheadphones.②VolumeControl

Thisrotaryknobadjuststhevolumeleveloftheheadphoneoutput.Turningthewheeltotherightwillincreasetheaudiovolume.③LEDIndicator

TheLEDindicatorlightsgreenwhenadiscisbeingloadedanditflashesgreenwhenthediscisbeingaccessed.④DiscTray

Thisisthetrayforthedisc.Placethediscinthetray,thenpresstheOpen/Closebuttonorgentlypushthetraytocloseit.⑤Emergency-ejectHole

Theemergency-ejectholeallowstheusertoopentheCDtraywhenthesystemhasnopower.⑥Open/Closebutton

Thisbuttonopensandclosesthedisctray.

Note

·Thedrivemaymakesoundlike“shahhh...”whilestartingupbecauseoftheballsintheABS(Auto-BalanceSystem)spindlemotor.Itisanormalstate.

·WhenDDU1621isusedasasourcedriveinthe“onthefly”copy,itisrecommendedthatthedatatransfermodeofDDU1621andHDDwouldbesettoDMAfornonoiseinthecopieddisc.

RearView

Fig.14-2showstherearviewofDVDROM.Therearefivepartsinit.Fig.14–2RearView①DigitalAudioOutputConnector

IfyoursoundcardhasadigitalaudioIEC98formatconnector,youcanconnectittothisdigitalaudiooutputconnectorwitha2-pinaudiocable.②AnalogAudioOutputConnector

Thisconnectorallowsyoutoconnectthedrivetoyoursoundcardwitha4-pinaudiocable.③DeviceConfigurationJumper

2SetthejumpertoMaster,SlaveorCableSelectaccordingtoyoursystemconfiguration.④IDEInterfaceConnector

Plugoneendofthe40-pinIDEcableheretojointhe40pinIDEconnectoronthemotherboard.Thered-edgeoftheIDEcablemustbeconnecttoPin1ofeachconnector.⑤PowerSupplyConnector

Bypluggingthecomputerpowersupplycablehere,youcanconnecttheDVDROMdriveandyourcomputersystem.NewWords

versatile

adj.通用的,萬能的,多才多藝的

GB(gigabyte)n.十億字節(jié),吉字節(jié)

compressedadj.被壓縮的,扁平的

compatibleadj.諧調(diào)的,一致的,兼容的

capabilityn.(實際)能力,性能,容量

combinationn.結(jié)合,聯(lián)合,化合,化合物

stereo

n.立體聲系統(tǒng),立體聲

incredibleadj.難以置信的

transfern.遷移,移動,傳遞,轉(zhuǎn)移

superioradj.較高的,上級的,上好的,出眾的recoveryn.恢復horizontaladj.地平線的,水平的

verticaladj.垂直的,直立的

vibrationn.振動,顫動

resistancen.反抗,抵抗,抵抗力,阻力,電阻,阻抗

recommendv.推薦,介紹,勸告,使……可取

plugv.堵,塞,插上,插栓

jackn.插孔,插座

rotaryadj.旋轉(zhuǎn)的

knobn.旋鈕indicatorn.指示器

trayn.盤子

spindlen.軸,桿,心軸

rearadj.后面的,背面的,后方的

connectorn.連接器

analogn.類似物,相似體

cablen.電纜,纜,索

configurationn.構造,結(jié)構,配置PhrasesandExpressions

standfor代表,代替,象征upto一直到,等于inaddition另外CVA(constantangularvelocity)恒定角速度referto查閱,提到,談到frontpanel前端面板emergencyejecthole緊急彈出孔connect...to...連接accordingto依照rearview后視圖TheExplanationofDifficultStatements

1.DVDstandsforDigitalVersatileDiscorDigitalVideoDiscwhichhashigh-densitycapacityofstoring4.7GBofdataonsinglesideandupto17GBondoublesideandduallayer.

分析:which引導定語從句,修飾名詞DigitalVersatileDiscorDigitalVideoDisc。這里不能用that代替which。standfor是代表、代替、象征的意思。

句意:DVD指的是數(shù)碼多功能光盤(DigitalVersatileDisc)或數(shù)碼影音光盤(DigitalVideoDisc)。一片單面單層高密度的DVD具有4.7GB的存儲量,雙面雙層的更可達17GB.

2.SetthejumpertoMaster,SlaveorCableSelectaccordingtoyoursystemconfiguration.

分析:accordingto有據(jù)……所說的意思,如accordingtohistorians(按歷史學家所說的);也有依據(jù)、按照的意思,如accordingtoinstructions(依據(jù)教導)。

句意:根據(jù)你的系統(tǒng)配置,將跳線設為Master,Slave或CableSelect。ExercisesⅠ.Fillintheblanksaccordingtothetext:(1)Inaddition,aDVDisMPEG-2______________compatibleandhasDolbyDigitalSurroundSoundaudiocapabilities.(2)Harddiskdrivewithmorethan20MB______________.(3)The______________allowtheusertoopentheCDtraywhenthesystemhasnopower.(4)By____________thecomputerpowersupplycablehere,youcanconnecttheDVD-ROMdriveandyourcomputersystem.(5)Plugoneendofthe40pinIDEcableheretojointhe40pinIDEconnectoronthe______________.Ⅱ.Decidewhethereachofthefollowingstatementsistrueorfalseaccordingtothetext:(1)DVDhashigh-densitycapacityofstoring4.7GBofdataondoublesideandduallayer.(2)WhenweplaymusicusingDVD-ROMdrive,theLEDindicatorlightsgreen.(3)YoucanconnectsoundcardtoAnalogAudioOutputConnectwitha6-pinaudiocable.(4)ComputerwithWindows3.1canruntheDVDplaybacksoftware.(5)Turningthewheeltotheleftwillreducetheaudiovolume.Ⅲ.TranslatethefollowingparagraphintoChinese:

DVDstandsforDigitalVersatileDiscorDigitalVideoDiscwhichhashigh-densitycapacityofstoring4.7GBofdataonsinglesideandupto17GBondoublesideandduallayer.Inaddition,aDVDisMPEG-2compressedvideocompatibleandhasDolbyDigitalSurroundSoundaudio(knownasAC-3)capabilities.Thatis,thecombinationofDVDtitles,yourstereosetupandthisDVD-ROMdrivepackagewillbringyouincrediblesoundandvisualeffect.ReadingMaterialsWhatismultimedia?(Ⅰ)

Multimediaisnotanewword.Infact,theconceptofmultimediahasbeenaroundforyears.However,itappearsthatmultimediahasfinallystartedtoplayanincreasinglyimportant

roleintoday’scomputerworld.Becauseofevermorepowerfulcomputersystemsandtheexperienceofcreativeprogrammers,multimediaistrulychangingthewaypeopleareusingcomputers.

Theworld“multimedia”hasturnedintoatypeoftwo-edgesword.Althoughmostcomputerprofessionalshaveheardtheword,manydon’tknowexactlywhatitmeans.Thisisespeciallytruewhentheworldisappliedtoeverythingfromtalkinggamestovoice-controlledtelevisionsets.Essentially,multimediaistheintegrationoftext,audiosound,staticgraphicimages,animations,andfull-motionvideo.Multimediamayusesomeortheseaspectsofcommunication.

Technicallyspeaking,VHSvideotapesfallintothisdescriptionofmultimedia.SodoNintendogamesystems,aswellastalkingvendingmachines.Hey,forthatmattermostbookscombinetextandpictures.However,thisbookdealswithmultimediaonlyasitapplies

topersonalcomputers.Morespecifically,thisbookconcentratesonmultimediaundertheWindowsoperatingenvironmentrunningonPC-basedmachines.

Multimediaisnotaproduct;rather,itisatechnology(ormoreaccuratelyacombinationoftechnologies).Atechnologyisanythingthatmakessomethingelsemoreefficient.Forexample,supposeyouhavealistofwrittendirectionsforgettingtothebank.Nowimagineyouhaveamappingapplicationthatyoucouldusetopinpointwhereyouwanttogo(“thebank”).Notonlycouldthatapplicationprintoutdetailedinstructionofhowtogetthebank,itcouldalsodisplayafull-colorimageofamaptothebank,alongwithabriefaudiosegmenttellingyouthetrafficconditionsofroadsaroundthebank.NewWordsandExpressions

multimedian.多媒體integrationn.整合,合而為一pinpointvi.精確定位Questions

(1)Whatismultimedia?(2)Whichtypesofmediadoesmultimediainclude?Whatismultimedia?

Thismappingapplication(let’scallitMAPMAN)ismultimediainaction.Noticethecombinationoftext(theprintedinstructions),staticgraphicimages(thecolormap),anddigitalsound(thenarrationdescribingconditions).Itdoesn’ttakemuchimaginationtoconsiderthataddingavideoclipofthenavigationrequiredtogetthroughatrickyintersectiononthewaytothebankwouldmaketheapplicationmorevaluable.Doyouthinkhavingthisapplicationaroundmakeiteasiertogettoplacesyouwanttogo.

Multimediaaimsatmakingcomputerseasiertouse.Asyoucanseefromthepreviousexample,theaddedinformationprovidedbysoundandcolorpictureswillmakegettingtothebankfaster.Sayyouwanttogotoabankinanothert