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On which type of blank DVD data can be erased and rewritten

A. DVD-RW
B. DVD-R
C. DVD-ROM
D. DVD-W

Answer & Solution
Option: A
Explanation :Type of blank DVD data can be erased and rewritten is called DVD-RW. DVD-RW stands for Digital video Disc Rewritable. The user can write data on DVD-RW many times by erasing the existing contents.
DVD-R stands for Digital Video Disc Recordable. It is similar to CD-R discs. The user can write data on it once but can read it many times. The written data cannot be erased.
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