Question

Define DVD

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Answer 1

DVD :

• DVD means Digital Video/Versatile Disc. It was invented primarily to store movies.It is similar to a CD-ROM in principle but is denser in term of recording data.It has sufficient space to store many movies.

Answer 2

Answer:

The DVD is a digital optical disc data storage format invented and developed in 1995 and released in late 1996. The medium can store any kind of digital data and was widely used for software and other computer files as well as video programs watched using DVD players.

Standard: DVD Forum's DVD Books and DVD+RW Alliance specifications

Media type: Optical disc

Read mechanism: 300–650 nm laser, 10.5 Mbit/s (1×)

Write mechanism: 650 nm laser with a focused beam using more power than for reading, 10.5 Mbit/s (1×)

Usages: Data storage device, Film

Developed by: Sony Corporation, Panasonic, Toshiba, Philips, Samsung Group