7、tmoredatacanbepackedintothesameamountofspace.DVD
drivescanstore4.7GBto17GBonasingleDVDdiscor17timesthecapacityofCDs.DVDplayerAlsoknownasDVD-ROMdrives. See DVD.DVD–R(DVDrecordable)ADVDwithawrite-onceformatthatdiffersslightlyfromtheformatofDVD+R.Typicallyusedtocreatepermanenta