|Technology||DVD||Digital Versatile Disc|
Digital Versatile Disc (DVD) also known as Digital Video Disc is an optical disc capable of storing up to 4.7 GB of data, more than six times what a CD can hold.
DVD is a digital optical disc storage format invented and developed by Panasonic, Philips, Sony and Toshiba in 1995. The medium can store any kind of digital data and is widely used for software and other computer files as well as video programs watched using DVD players.
Types of DVD available in market:
- DVD-5 : single sided, single layer, 4.7 gigabytes (GB), or 4.38 gibibytes (GiB)
- DVD-9 : single sided, double layer, 8.5 GB (7.92 GiB)
- DVD-10 : double sided, single layer on both sides, 9.4 GB (8.75 GiB)
- DVD-14 : double sided, double layer on one side, single layer on other, 13.3 GB (12.3 GiB)
- DVD-18 : double sided, double layer on both sides, 17.1 GB (15.9 GiB)