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CD-ROM
The cd-rom was ivented in june 1985 -
DVD-ROM
the dvd rom was developed by sony and philips -
CD-RW
introduced in 1997 the CD-RW was made to be the protocessor to the CD-ROM -
DVFD-RW
the DVD RW was made by Pioneer -
Bli-Ray Disc
the blu-ray disc was toshiba was the creator of the blu-ray disc