1.

define optical disc and its type

Answer»

Anoptical discis an electronic data storage medium that can be written to and read using a low-powered laser beam.

An optical disc is designed to support one of three recording types: read-only (e.g.: CD andCD-ROM), recordable (write-once, e.g.CD-R), or re-recordable (rewritable, e.g.CD-RW).



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