An Optical Disk
An optical storage medium such as a CD or DVD can store audio and video files, respectively. DVD's are also capable of storing images and other data.
No. Optical storage uses lasers to "see" the media (e.g. CD, DVD, HD-DVD and BluRay)
CD's and DVD's are not magnetic. They are optical storage devices that are read with LASER beams.
All CD, DVD's and blu-ray's are multiplexed optical data storage. This is what movies and music is on.
CD's, DVD's, hard drives,etc.
CD and DVD storage technologies are typically classified as computer data storage. They can also be referred to as external storage.
CD and DVD disks are used by optical disc drives.
cd-r and dvd-rw
Probably either a CD or a DVD
A CD, DVD or Blueray disk recorder player.
Cd,DVD Floppy disk etc
Optical media include CD-ROMs, DVD ROMs, and Blu-Ray disks.