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What is the full form of CD & DVD?

The full form of CD and DVD is Compact Disc (CD) and Digital Versatile Disc (DVD) respectively.

CD: Compact Disc

CD full form

A Compact Disc (CD) are small plastic discs which store and retrieve computer data or music using light. It is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982. Compact Discs replaced floppy disks because they were faster and could hold more information. CDs can hold up to 700 MB worth of data, which is about 80 minutes of music.

Mini CDs were also made for special small programs like drivers. CDs that have computer information on them are called CD-ROMs, or Compact Disc – Read Only Memory. The diameter of a normal CD is 120 mm. The middle hole in a CD is about 1.5 cm. The format was originally developed to store and play only sound recordings (CD-DA) but was later adapted for storage of data (CD-ROM). The first commercially available audio CD player, the Sony CDP-101, was released October 1982 in Japan.

DVD: Digital Versatile Disc

DVD full form

It is a digital optical disc storage format invented and developed in 1995 and released in late 1996. 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. DVDs offer higher storage capacity than compact discs while having the same dimensions.

It is the same size as a CD, but has a larger storage capacity. The larger capacity formats are not supported by most standalone DVD players, but they can be used with many computer-based DVD drives. A standard DVD can hold 4.7 GB of data, but variations of the original DVD format have greater capacities. For example, a dual-layer DVD (which has two layers of data on a single side of the disc) can store 8.5 GB of data. A dual-sided DVD can store 9.4 GB of data (4.7 x 2). A dual-layer, dual-sided DVD can store 17.1 GB of data.

Some DVDs are formatted specifically for video playback, while others may contain different types of data, such as software programs and computer files. The original “DVD-Video” format was standardized in 1995 by consortium of electronics companies, including Sony, Panasonic, Toshiba, and Philips.

Other full forms of CD & DVD

CD full form

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DVD full form

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