DVD Full Form

DVD stands for Digital versatile disk. DVD is a digital optical disc storage format. DVDs can also be known as “Digital video disc”. DVD technology allows for the storage of a large amount of data using digital technology. DVDs can store up to 17 gigabytes, compared to the storage capacity of a compact disc(CD). DVD-Video became the dominant form of home video distribution in Japan when it first went on sale in 1995. It is a highly compact disc. This disc can store enough data for about 17Gb. You must have a DVD disc drive or player to use DVD discs. It stores a large amount of data.

DVD-Full-Form

Physical formats of DVD :

  • DVD-video : It is a digital storage medium for a motion picture.
  • DVD-audio : It is an audio only storage format, similar to CD-audio.
  • DVD-R : Is similar to CD/R which offers a write once, read many storage format.
  • DVD-ROM : Is a high capacity storage medium.
  • DVD-RAM : Was first re_writable(erasable) disc

Characteristics

  • DVD’s are used to hold very large files several Gb.
  • DVD’s are portable.
  • DVD’s have five to ten time’s the capacity compared to CD.
  • Increased capacity.
  • Better Interactivity.
  • DVD are used by software companies for distributing software programs and data

Advantages

  • Can store large amount of data.
  • Does not transmit virus.
  • Digitally recorded is reliable.
  • Durable.
  • Not susceptible to magnetic fields.Resistant to heat.
  • DVD player can read CD’s.

Disadvantages

  • Not fully supported by HDTV.
  • Incompatibility of discs and players.
  • There is no single standard of DVD.
  • Copy protection.
  • DVD’s do not work in CD ROM drives.
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