DVD
Film format
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The DVD is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind of digital data and has been widely used to store video programs, software... Wikipedia
Invention date: 1995
Dimensions: Diameter: 12 cm (4.7 in); Thickness: 1.2 mm (0.047 in)
Encoding: DVD-ROM and DVD-R(W) use one encoding, DVD-RAM and DVD+R(W) uses another
Extended from: LaserDisc; Compact disc
Extended to: DVD+RW, DVD-RAM (Fixed-track writable media); HD DVD; Blu-ray
Read mechanism: 300–650 nm laser, 10.5 Mbit/s (1×)
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