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OPTICAL DISCS (TYRE OF OPTICAL DISC (CD-ROM (6a00d8341c767353ef015432639a0…
OPTICAL DISCS
consists of a flat,round,portable disc made metal,plastic,and lacquer that is written and read by laser
TYRE OF OPTICAL DISC
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CD-R
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an optical disc on which user can write once,but not erase
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DVD-R/DVD+R
competing DVD-recordable WORM formats,on which user can write once but not erase
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DVD-RW/DVD+RW/DVD=RAM
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Competing DVD-rewritable formats,on which user can write on mutiple times
