DVD+R and DVD-R 101: An Explanation for Beginners
July 23, 2007 by Jason
What is “DVD” Media, and How Is It Different From CDs?
DVD, which was originally named for Digital Video Disc, now means Digital Versatile Disc. It is a special recording format for computers, audio, and TV/movies.
Superficially, a DVD disc looks just like a CD. It is 120mm in diameter, and 1.2mm in thickness(comprised of two polycarbonate substrates, 0.6mm each). Unlike CDs, however, DVD discs can be single or double sided. Furthermore, each DVD side may contain a second invisible “layer” to increase the disc’s storage capacity. Read More»
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