InformationInputandOutput-faraday信息输入与输出的法拉第

《InformationInputandOutput-faraday信息输入与输出的法拉第》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、InformationInputandOutputChapter5Let’sInterfaceMonthlyTechnologyUpdateTraditionalInputDevicesPoint-and-DrawDevicesKeyboardsKeyboardsAlphanumericSpecial-functionFunctionkeysTextcursorMenuQWERTYPoint-and-DrawDevicesGUIMousecursorClickDouble-clickDragPoint-and-DrawDevice

2、sTrackpadDigitizerTabletandPenJoystickTrackballTrackpointPhotosCourtesyof:ImationCorporationHoustonInstrumentDiv.AMETEK,Inc.AdvancedGravisComputerTechnologyLtd.Source-DataAutomationNeedtoenterdatamorequickly,efficiently,andasclosetothesourceaspossibleHow?ScannersSmart

3、CardsSpeechRecognitionVision-InputSystemsDigitalCamerasInputInputDevices-ScannersOCROpticalCharacterRecognitionBarcodesCourtesyofInternationalBusinessMachinesCorporationandCaereCorporationLaserContactTwoscannertypes:3BasicScannerCategories(OCRandBarcodes)Handheldlabel

4、scannersWandscannersCanusecontactorlasertechnologyStationarylabelscannersCommoningrocerystoresUselasertechnologyonlyDocumentscannersCanscandocumentsofvarioussizesCancreateaturnarounddocumentImageScannersDigitizesanimageImageProcessing:manipulatingandmanagingscannedima

5、gesTwotypes:PageimagescannersHandimagescannersPaperlesssocietyPhotocourtesyofHewlett-PackardCompanyCardsUsingTechnologyMagneticstripeencodedwithdataGreatforstoringconfidentialinformationBadgereadersCourtesyofGemplusContainsmicroprocessorMaysoonreplacemagneticstripecar

6、dsStored-valuecardsMagneticStripeCardsSmartCardsSpeechRecognition“KillerApp”includesSoftwareGenericvocabularydatabaseHigh-qualitymicrophoneNeedtotrainsystemSpeaker-IndependentsystemsCourtesyofDragonSystemsInc.Vision-InputSystemsUsesacameratodigitizetheimageStoresdigit

7、izedimageinadatabaseContinuallycomparesnewimagestostoredimagesindatabaseSuitedtoveryspecializedtaskslikequality-controlinspectionsDigitalCamerasMr.PotatoHeadwantstoknow:Areyougettingthepicture?Isitmakingsense?GOOD!!OutputDevicesMonitorsPrintersMultimediaProjectorsVoic

8、e-ResponseSystemsOutputWhatDeterminesaMonitor’sCapabilities?GraphicsAdapterSizeResolutionDisplayQualityGraphicAdapterDevice