CNET GLOSSARY: Terms for the techie
A type of DVD that provides up to 8.5GB of storage, about double the data capacity of standard discs. Dual-layer discs have a single recording side, but two layers of data. The DVD drive adjusts the focus of the its laser beam to access each layer. This technology is currently supported by the DVD-Video format (2003), and DVD-R and DVD+R versions are expected in 2004.
Can't find your term here? Have a question about the glossary? E-mail us.