1.

b. Define optical disc and its types

Answer»

Anoptical discis an electronic data storage medium that can be written to and read using a low-powered laser beam.Three recordingtypes: read-only (e.g.: CD and CD-ROM), recordable (write-once, e.g. CD-R), or re-recordable (rewritable, e.g. CD-RW).



Discussion

No Comment Found