《计算机专业英语》-Unit12iPad

TextA:OverviewofiPad下一页返回TextA:OverviewofiPad1.IntroductionTheiPadisatabletcomputerdesignedanddevelopedbyApple.Itisparticularlymarketedforconsumptionofmediasuchasbooksandperiodicals,movies,music,andgames,andforgeneralwebandemailaccess.Ataround700gramsitssizeandweightareintermediatebetweenmostcontemporarysmartphonesandlaptopcomputers.SalesoftheiPadtabletarestrong:sinceitsreleaseinApril2010,Applehassold3millioniPads.上一页下一页返回TextA:OverviewofiPadTheiPadrunsthesameoperatingsystemasthepreviouslyintroducediPodTouchandiPhone(initiallyiPhoneOS3.2,withanupdatetoiOS4announcedforfall2010).Likewise,itiscontrolledbyamultitouchdisplaysensitivetofingertipcontactwithuptoelevenfingers.Thisisunlikemostprevioustabletcomputerswhichinsteadusedapressure-triggeredstylus.ItrunsiPad-specificapplicationsaswellasthosewrittenfortheiPhoneandiPodTouch,includinge-bookreaders.上一页下一页返回TextA:OverviewofiPadTheiPadusesWi-Fiora3GmobiledataconnectiontobrowsetheInternet,loadandstreammedia,andinstallsoftware.AUSBcableisrequiredtosynctheiPadwithiTunesonapersonalcomputer,bywhichthedeviceismanaged.Mediareactiontothedevicehasgenerallybeenneutralorpositive,thoughsomemediaanduserslikenthedevicetoanunfinishedproductduetothelackofmultitaskingandlimitationsofiPhoneOS3.2.上一页下一页返回TextA:OverviewofiPad2.ProductNameLiketheiPhone,theiPadsharesitsnamewithexistingproducts.ThemostpublicizedistheFujitsuiPAD,amobilemulti-functionaldevicesoldtoretailerstohelpclerksverifyprices,checkinventory,andclosesales.TheJapanesecompanyFujitsuintroducedtheiPADin2002,andthefollowingyearappliedforthetrademark,butthefirmfoundthemarkwasalreadyownedbyMag-Tek.Fujitsu’strademarkapplicationwaslistedas“abandoned”inApril2009,andtheownershipofthemarkisunclear.Fujitsuconsultedattorneysoverwhat,ifany,actionitmighttake.OnMarch17,2010theFujitsuiPADU.S.trademarkwastransferredtoApple.InthefirstdaysaftertheiPad’sannouncement,somemediaandmanyonlinecommenterscriticized上一页下一页返回TextA:OverviewofiPadthename“iPad”,notingitssimilarityto“pad”,thecommonnameforasanitarynapkin.Shortlyafterthelaunchannouncement,thehashtag“iTampon”becamethenumber-twotrendingtopiconthesocialnetworkingsiteTwitter.3.HistoryApple‘sfirsttabletcomputerwastheNewtonMessagePad100,introducedin1993,whichledtothecreationoftheARM6processorcorewithAcornComputers.ApplealsodevelopedaprototypePowerBookDuo-basedtablet,thePenLite,butinordertoavoidhurtingMessagePadsalesdidnotsellit.ApplereleasedseveralmoreNewton-basedPDAs,anddiscontinuedthelast,theMessagePad2100,in1998.上一页下一页返回TextA:OverviewofiPadApplere-enteredthemobile-computingmarketin2007withtheiPhone.SmallerthantheiPadbutfeaturingacameraandmobilephone,itpioneeredthemultitouchfinger-sensitivetouchscreeninterfaceofApple’smobileoperatingsystem—iOS.Bylate2009,theiPad’sreleasehadbeenrumoredforseveralyears.Mostlyreferredtoas“Apple’stablet”,iTabletandiSlatewereamongthespeculatednames.TheiPadwasannouncedonJanuary27,2010bySteveJobsatanApplepressconferenceattheYerbaBuenaCenterfortheArtsinSanFrancisco.上一页下一页返回TextA:OverviewofiPad4.Hardware(1)ScreenandinputTheiPad’stouchscreendisplayisa25cm(9.7in)liquidcrystaldisplay(1024×768pixels)withfingerprint-resistantandscratch-resistantglass.LiketheiPhone,theiPadisdesignedtobecontrolledbybarefingers;normalglovesandstylithatpreventelectricalconductivitymaynotbeused,althoughtherearespecialglovesandstylidesignedforthisuse.上一页下一页返回TextA:OverviewofiPadThedisplayrespondstotwoothersensors:anambientlightsensortoadjustscreenbrightnessanda3axisaccelerometertosenseiPadorientationandswitchbetweenportraitandlandscapemodes.UnliketheiPhoneandiPodTouchbuilt-inapplications,whichworkinthreeorientations(portrait,landscape-leftandlandscape-right),theiPadbuilt-inapplicationssupportscreenrotationinallfourorientations(thethreeaforementionedonesalongwithupside-down),meaningthatthedevicehasnointrinsic“native”orientation;onlythepositionofthehomebuttonchanges.上一页下一页返回TextA:OverviewofiPad(2)ConnectivityTheiPadcanuseWi-FinetworktrilaterationfromSkyhookWirelesstoprovidelocationinformationtoapplicationssuchasGoogleMaps.The3GmodelcontainsAGPStoallowitspositiontobecalculatedwithGPSoritspositionrelativetonearby-cellphonetowers;bothmodelshaveadigitalcompass.Toimprove3GradiosensitivitythebackoftheWiFi+3Gmodelhasablackplasticaccentontop.IncontrastthebackoftheWi-FimodeliPadisonlycontouredaluminumwithblackplasticbuttons.TheiPadonlyhasadockconnectorforwiredconnectivityandhasnoethernetnetworkingorUSBport.上一页下一页返回TextA:OverviewofiPad(3)AudioandoutputDualspeakershousedinsidetheiPadprovidemonosoundviatwosmallsealedchannelsintheinteriorspeakerassembly.Thesedirectthesoundoutwardstowardthethreeaudioportscarvedintothebottom-rightoftheunit.Themicrophoneiswithinthedevice.Avolumeswitchisontherightsideoftheunit,anda3.5mmTRSconnectoraudio-outjackprovidesstereosoundforheadphonesonthetop-leftcornerofthedevice.TheiPadsupportsnormalheadphonesandmodelswithmicrophones,volumecontrols,orboth.Microphonescanbeusedforvoicerecording.上一页下一页返回TextA:OverviewofiPadThebuilt-inBluetooth2.1+EDRinterfaceallowswirelessheadphonesandkeyboardstobeusedwiththeiPad.However,the-iOSdoesnotcurrentlysupportfiletransferviaBluetooth.iPadalsofeatures1024×768VGAvideooutputforconnectinganexternaldisplayortelevision.上一页下一页返回TextA:OverviewofiPad（4）PowerandbatteryTheiPadusesaninternalrechargeablelithium-ionpolymerbattery.ThebatteriesaremadeinTaiwanbySimploTechnology,whichmakes60%ofthem,andDynapackInternationalTechnology.TheiPadisdesignedtobechargedwithahighcurrent(2amperes)usingtheincludedUSB10Wpoweradapter.WhileitcanbechargedbyastandardUSBportfromacomputer,thesetypicallyprovidelowercurrent(500milliamperesor1ampere).Asaresult,iftheiPadisturnedonwhilebeingchargedwithanormalUSBcomputerport,itwillchargemuchmoreslowly,ifatall.上一页下一页返回TextA:OverviewofiPad（5）StorageandSIMTheiPadwasreleasedwiththreeoptionsforinternalstoragesize:a16,32,or64GBflashdrive.Alldataisstoredontheflashdriveandthereisnooptiontoexpandstorage.ApplesellsacameraconnectionkitwithanSDcardreader,butitcanonlybeusedtotransferphotosandvideos.ThesideoftheWi-Fi+3Gmodelhasamicro-SIMslot(notmini-SIM).UnliketheiPhone,whichisusuallysoldlockedtospecificcarriers,the3GiPadissoldunlockedandcanbeusedwithanycompatibleGSMcarrier-Japanistheexceptiontothis,wheretheiPad3GislockedtoSoftbank.IntheU.S.,datanetworkaccessviaT-Mobile’snetworkislimitedtoslowerEDGEcellularspeedsbecauseT-Mobile’s3Gnetworkusesdifferentfrequencies.上一页下一页返回TextA:OverviewofiPad（6）OptionalaccessoriesAppleoffersseveraliPadaccessories,including:iPadKeyboardDockwithhardwarekeyboard,30pinconnector,andaudiojack.iPadCasewhichcanbeusedtostandtheiPadinvariouspositions.iPadDockwith30-pinconnectorandaudiojack.iPadDockConnectortoVGAAdapterforexternalmonitororprojector.iPadCameraConnectionKitincludingaUSBTypeAconnectoradapterandanSDcardreader,fortransferringphotosandvideos.iPad10WUSBPowerAdapterwith2Aoutput(10W).上一页下一页返回TextA:OverviewofiPad5.TechnicalSpecifications上一页下一页返回TextA:OverviewofiPadWordsandExpressions

tabletcomputer:平板电脑smartphone:n.智能手机sync:abbr.(synchronize)使同步；同时发生liken：v.比喻，把……比作multitasking:v-ing多重任务处理，一台电脑同时操作几个程序(计算机用语)commenter：n.批评家AcornComputers：英国一个计算机公司discontinue:v.停止，中断上一页下一页返回TextA:OverviewofiPadFingerprint-resistant:adj.防指纹的Scratch-resistant:adj.防刮的portraitandlandscapemodes:纵向模式和横向模式A-GPS:AssistedGlobalPositioningSystem辅助全球卫星定位系统Bluetooth:n.蓝牙技术rechargeable:adj.可再充电的Lithium-ionpolymerbattery:聚合物锂离子电池adapter:n.适配器;接头;改编者flashdrive:闪存驱动器accessory:n.配件，附件上一页下一页返回TextA:OverviewofiPadNotes①Itisparticularlymarketedforconsumptionofmediasuchasbooksandperiodicals,movies,music,andgames,andforgeneralwebandemailaccess.

它是专门以传媒消费为市场目标的，包括书籍、期刊、电影、音乐、游戏，同时也为大众网页和电子邮件的使用提供便利。②TheiPadusesWi-Fiora3GmobiledataconnectiontobrowsetheInternet,loadandstreammedia,andinstallsoftware.上一页下一页返回TextA:OverviewofiPad③TheiPad’stouchscreendisplayisa25cm(9.7in)liquidcrystaldisplay(1024×768pixels)withfingerprint-resistantandscratch-resistantglass.iPad的触摸屏是一个25厘米的（9.7英寸）液晶显示器（1024×768像素），既防指纹，又抗划伤。

④Thedisplayrespondstotwoothersensors:anambientlightsensortoadjustscreenbrightnessanda3axisaccelerometertosenseiPadorientationandswitchbetweenportraitandlandscapemodes.

上一页下一页返回TextA:OverviewofiPad⑤AppleclaimsthattheiPad’sbatterycanprovideupto10hoursofvideo,140hoursofaudioplayback,oronemonthonstandby.

苹果公司声称，iPad的电池可支持高达10小时的视频播放，140小时的音频播放，或1个月的超长待机。⑥UnliketheiPhone,whichisusuallysoldlockedtospecificcarriers,the3GiPadissoldunlockedandcanbeusedwithanycompatibleGSMcarrier-Japanistheexceptiontothis,wheretheiPad3GislockedtoSoftbank.

不像iPhone，通常在出售时和特定的运营商绑定，3G版iPad在出售时未与任何运营商绑定，可使用任何兼容的GSM运营商——除了日本，因为在日本3G版iPad是与日本软银公司绑定的。上一页返回TextB:AdditionalInformationAboutiPad下一页返回TextB:AdditionalInformationAboutiPad1.ManufactureTheiPadisassembledbyFoxconn,whichalsomanufacturesApple’siPod,iPhoneandMacMini,initslargestplantinShenzhen,China.iSuppliestimatedthateachiPad16GBWi-FiversioncostsAppleUS-D|S-259.60tomanufacture,atotalthatexcludesresearch,development,licensingandpatentcosts.AppledoesnotdisclosethemakersofiPadcomponents,butteardownreportsandanalysisfromindustryinsidersindicatethatvariouspartsandtheirsuppliersinclude:上一页下一页返回TextB:AdditionalInformationAboutiPadAppleA4SoC:Samsung.NANDflashRAMchips:Toshibaforallmodelsexceptthe64GBiPad,whosememoryismadebySamsung.Touch-screenchips:Broadcom.Touchpanels:Wintek,afterTPKTouchSolutionswasunabletofulfillitsorders,delayingtheiPad’sreleasefromlateMarchtoearlyApril.Case:CatcherTechnologies.LCDdrivers:NovatekMicroelectronics.Batteries:madeinTaiwanbySimploTechnology,whichmakes60%ofthem,andDynapackInternationalTechnologymakestheother40%.accelerometer:bySTMicroelectronics.上一页下一页返回TextB:AdditionalInformationAboutiPad2.SoftwareLiketheiPhone,withwhichitsharesadevelopmentenvironment(iPhoneSDK,orsoftwaredevelopmentkit,version3.2onwards),theiPadonlyrunsitsownsoftware,softwaredownloadedfromApple’sAppStore,andsoftwarewrittenbydeveloperswhohavepaidforadeveloper’slicenseonregistereddevices.TheiPadrunsalmostallthird-partyiPhoneapplications,displayingthematiPhonesizeorenlargingthemtofilltheiPad’sscreen.DevelopersmayalsocreateormodifyappstotakeadvantageoftheiPad’sfeatures.ApplicationdevelopersuseiPhoneSDKfordevelopingapplicationsforiPad.TheiPadshipswithanimprovedversionofiPhoneOSv3.2,andistogetiOS4byfall2010.上一页下一页返回TextB:AdditionalInformationAboutiPad3.ApplicationsTheiPadcomeswithseveralapplications,includingSafari,Mail,Photos,Video,YouTube,iPod,iTunes,AppStore,iBooks,Maps,Notes,Calendar,Contacts,andSpotlightSearch.SeveralareimprovedversionsofapplicationsdevelopedfortheiPhone.TheiPadsyncswithiTunesonaMacorWindowsPC.AppleportsitsiWorksuitefromtheMactotheiPad,deletesseveralfeaturesintheprocess,andsellsthePages,Numbers,andKeynoteappsintheAppStore.AlthoughtheiPadisnotdesignedtoreplaceamobilephone,ausercanpairitwithaBluetoothheadsetandplacephonecallsoverWi-Fior3GusingaVoIPapplication.上一页下一页返回TextB:AdditionalInformationAboutiPad4.BookandMagazineContentTheiPadhasanoptionaliBooksapplicationthatcanbedownloadedfromtheAppStore,whichdisplaysbooksandotherePub-formatcontentdownloadedfromtheiBookstore.FortheiPadlaunchonApril3,2010,theiBookstoreisavailableonlyintheUnitedStates.SeveralmajorbookpublishersincludingPenguinBooks,HarperCollins,Simon&SchusterandMacmillanhavecommittedtopublishingbooksfortheiPad.InFebruary2010,CondéNastPublicationssaidtheywouldselliPadsubscriptionsfortheirGQ,VanityFairandWiredmagazinesbyJune.InApril2010,TheNewYorkTimesannounceditwouldbeginpublishingdailyontheiPad.上一页下一页返回TextB:AdditionalInformationAboutiPad5.CensorshipApple’sAppStore,whichprovidesiPhoneandiPadapplications,imposescensorshipofcontent,whichhasbecomeanissueforbookpublishersandmagazinesseekingtousetheplatform.TheGuardiandescribedtheroleofAppleasanalogoustothatofthedistributorWHSmith,amaindistributorwhichformanyyearsimposedcontentrestrictionsonBritishpublishers.上一页下一页返回TextB:AdditionalInformationAboutiPad6.ReleaseApplebegantakingpre-ordersfortheiPadfromU.S.customersonMarch12,2010.Theonlymajorchangetothedevicebetweenitsannouncementandbeingavailabletopre-orderwastheadditionofarotationlockinplaceofthemutebutton.TheWi-FiversionoftheiPadwentonsaleintheUnitedStatesonApril3,2010.TheWi-Fi+3GversionwasreleasedonApril30.上一页下一页返回TextB:AdditionalInformationAboutiPad3GserviceintheUnitedStatesisprovidedbyAT&Tandsoldwithtwoprepaidcontract-freedataplanoptions:oneforunlimiteddataandtheotherfor250MBpermonthathalftheprice.OnJune2,2010,AT&TannouncedthateffectiveJune7theunlimitedplanwouldbereplacedfornewcustomerswitha2GBplanatslightlylowercost;existingcustomerswouldhavetheoptiontokeeptheunlimitedplan.TheplansareactivatedontheiPaditselfandcanbecanceledatanytime.

上一页下一页返回TextB:AdditionalInformationAboutiPad7.ReactiontotheInternationalLaunchOnMay28,2010theiPadwasreleasedinAustralia,Canada,JapanaswellasseverallargerEuropeancountries.Mediareactiontothelaunchwasmixed.Themedianotedthepositiveresponsefromfansforthedevicewiththousandsofpeoplequeuedonthefirstdayofsaleinanumberofthesecountries.Themediaalsopraisedthequantityofapplications,aswellasthebookstoreandothermediaapplications.IncontrasttheycriticizedtheiPadforbeingaclosedsystemandmentionedthattheiPadfacescompetitionfromAndroidbasedtablets.WithregardstoitsbooksapplicationtheIndependentcriticisedtheiPadfornotbeingasreadableinbrightlightaspaper.Howevertheyalsopraisedthedeviceforbeingabletostorealargenumberofdifferentbooks.上一页下一页返回TextB:AdditionalInformationAboutiPad8.OmittedFeaturesCNETandGizmodolistedfeaturesthataremissingfromtheiPadthattheybelievecustomersexpect,includingacameraforvideochat,AdobeFlashsupport,alongerandnarrower“widescreen”aspectratiosuitableforwatchingwidescreenmovies,theabilitytomultitask(runmorethanoneapplicationatonce),aUSBport,HDMIoutput,andamoreflexiblewired-dataportthantheiPoddockconnector.AccordingtoApple’siOS4unveilinganddemonstrationonApril8,2010,aswellastheKeynotepresentationavailableontheirwebsite,multitaskingwillbeavailabletoalliPaduserswithasoftwareupdateinthefallof2010.上一页下一页返回TextB:AdditionalInformationAboutiPadTheSeattlePost-IntelligencerandGizmodonotedthattheiPadwouldofficiallysupportinstallingsoftwareonlyfromtheAppStore.CNETalsocriticisedtheiPadforitsapparentlackofwirelesssyncwhichotherportabledevicessuchasMicrosoft’sZunehavehadforanumberofyears.Thebuilt-iniTunesappshouldbeabletodownloadfromtheInternetaswell.上一页下一页返回TextB:AdditionalInformationAboutiPadPeoplehavebeendividedoverwhethertoconsidertheiPadapersonalcomputer.ForresterResearchhasarguedthattheiPadshouldbeconsideredaformofpersonalcomputerinspiteofApple’srestrictionsoncreatingandeditingfileswiththeiPad.IncontrastPCWorldhavearguedthattheiPadisn’tapersonalcomputerduetoitsomittingseveralkeyfeaturesincludingmultitaskingandsupportforAdobeFlash.上一页下一页返回TextB:AdditionalInformationAboutiPadWordsandExpressionsassemble:v.装配;聚集;集会,集合Foxconn:富士康科技集团iSuppli:一家全球领先的针对电子制造领域的市场研究公司iWork:办公软件,苹果公司的荣誉产品，堪称是与微软的Office抗衡的软件系列app:abbr.(applicationprogram)应用程序censorship:n.审查制度，检查制度Pre-order:v.预购AT&T:AmericanTelephoneandTelegraphCorporation美国电话电报公司上一页下一页返回TextB:AdditionalInformationAboutiPadCNET:ComputerNetwork电脑网络，在因特网上运作的一个全球性电脑网络,Gizmodo:一个报道消费电子产品相关消息的流行科技网站iTune:苹果公司开发的一款媒体播放器CNN:CableNewsNetwork美国有线电视新闻网Easy-to-use:adj.容易使用的All-purpose:adj.万能的ForresterResearch:世界上最为知名的美国信息技术分析公司之一上一页下一页返回TextB:AdditionalInformationAboutiPadNotes①AppledoesnotdisclosethemakersofiPadcomponents,butteardownreportsandanalysisfromindustryinsidersindicatethatvariouspartsandtheirsuppliersinclude…

苹果公司没有透露iPad组件的制造商，但拆机报告和业内人士的分析表明，各部件及其供应商包括……②TheiPadhasanoptionaliBooksapplicationthatcanbedownloadedfromtheAppStore,whichdisplaysbooksandotherePub-formatcontentdownloadedfromtheiBookstore.iPad有一个可选的，可以从应用程序商店下载的iBook应用程序。这个应用程序商店展示了从电子书网上商店下载的书籍以及其他ePub格式的内容。

上一页下一页返回TextB:AdditionalInformationAboutiPad③Apple’sAppStore,whichprovidesiPhoneandiPadapplications,imposescensorshipofcontent,whichhasbecomeanissueforbookpublishersandmagazinesseekingtousetheplatform.④Themedianotedtheposit