chapter 7 storage 7. miniature mobile storage media 课件

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1、CHAPTER7StorageMiniatureMobileStorageMediaMiniatureMobileStorageDevicesMiniaturemobilestoragedevicesarebecomingincreasinglypopularbecauseawidevarietyofdigitaldeviceshavebeendevelopedoverrecentyearsthatrequiretemporarydatastorage.Forexample,digitalandvideocamerasrequir

2、evastamountsofstoragespaceforaudioandvideofilesandphotographsthatcanbetransferredtoacomputersystemortoaproprietaryprinter.Additionally,computerusersneedtomovelargedatafilesfromonedevicetoanother.Consequently,thefloppydisks,zipdisks,andothermagneticmediaofthepastarequi

3、cklybeingreplacedwithminiaturestoragedevicesusingflashstoragetechnology.PocketPCsandPDAsuseCompactFlashorSDMediaforextrastoragespaceforprogramsanddatafiles.PocketPCsandPDAsDigitalandvideocamerasuseCompactFlash,MemorySticks,xDPictureCards,TransFlash,SmartMedia,orSDMedi

4、aforstorage.DigitalandVideoCamerasDigitalphotoprintersacceptCompactFlash,MemorySticks,xDPictureCards,TransFlash,SmartMedia,orSDMediaforinputdirectlyintotheprinter.DigitalPhotoPrintersAwidevarietyofminiaturemobilestoragemediahasbeendeveloped,andnewproductsareconstantly

5、beingdevelopedthataresmallerinsizeyetprovideincreasinglygreaterstoragecapacity.Storagecapacityrangesfrom256MBto8GB.Notethateachtypehasauniquesizeandshape!MiniatureMobileStorageMediaSmartMediaOneofthefirstminiaturemediadevicesdeveloped.Ithasthethicknessofacreditcardan

6、dcanbeidentifiedbyitssquareshapeandtheverticalgoldbarsacrossthetop.Itisapproximately1”squareinsize.SmartMediaCompactFlashalsooneoftheearliermediathatwasdeveloped.ItwasinitiallyusedinPDAsanddigitalcameras.Itisstillverypopular.Itisapproximately1”squarealso,butmuchthick

7、erthanSmartMedia.Noticethatitiswiderthanitistall.CompactFlashSDMediaissmallerinsizethanCompactFlash.Itisalsoverypopular.Noticethatitistallerthanitiswide.SDorSecureDigitalMiniSDMediaissmallerinsizethanregularSDmedia.Itisalsogaininginpopularity.Noticethatitistallerthani

8、tiswideandalsoitisshownwithanadapterforuseinregularSDmediadevices.Noticethedistinctnotchinthetopleftcorner.MiniSDTheMemorySt