What is diffrence between DVD+R ,DVD-R,DVD+RAM,DVD-ROM?
Answer:
There are several competing DVD Formats:
Recordable formats, supported by the DVD Forum
* DVD-R for Authoring: a special-purpose DVD-R used to record DVD masters, which can then be duplicated to pressed DVDs by a duplication plant. They require a special DVD-R recorder, and are not often used nowadays since many duplicators can now accept ordinary DVD-R masters.
* DVD-R (strictly DVD-R for General): can record up to 4.5 GB in a similar fashion to a CD-R disc. Once recorded and finalized it can be played by most DVD-ROM players.
* DVD-RW: can record up to 4.7 GB in a similar fashion to a CD-RW disc.
* DVD-R DL: a derivate of DVD-R that uses double-layer recordable discs to store up to 8.5 GB of data.
* DVD-RAM (current specification is version 2.1): requires a special unit to play 4.7GB or 9.4GB recorded discs (DVD-RAM disc are typically housed in a cartridge). 2.6GB discs can be removed from their caddy and used in DVD-ROM drives. Top capacity is 9.4GB (4.7GB/side).
http://en.wikipedia.org/wiki/dvd+r...
go to following links
http://en.wikipedia.org/wiki/dvd%2br... for dvd+r
http://en.wikipedia.org/wiki/dvd-r... for dvd-r
http://en.wikipedia.org/wiki/dvd-ram... for dvd -ram
i don't find anything called dvd+ram and dvd-rom
DVD+R MEANS DVD WRITER
DVD+RAM DVD READER
ONE MORE DRIVE IS CALLED AS COMBO DRIVE WHICH IS DVD READER AND CD WRITER.
There are several competing DVD Formats:
Recordable formats, supported by the DVD Forum
* DVD-R for Authoring: a special-purpose DVD-R used to record DVD masters, which can then be duplicated to pressed DVDs by a duplication plant. They require a special DVD-R recorder, and are not often used nowadays since many duplicators can now accept ordinary DVD-R masters.
* DVD-R (strictly DVD-R for General): can record up to 4.5 GB in a similar fashion to a CD-R disc. Once recorded and finalized it can be played by most DVD-ROM players.
* DVD-RW: can record up to 4.7 GB in a similar fashion to a CD-RW disc.
* DVD-R DL: a derivate of DVD-R that uses double-layer recordable discs to store up to 8.5 GB of data.
* DVD-RAM (current specification is version 2.1): requires a special unit to play 4.7GB or 9.4GB recorded discs (DVD-RAM disc are typically housed in a cartridge). 2.6GB discs can be removed from their caddy and used in DVD-ROM drives. Top capacity is 9.4GB (4.7GB/side).
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