TERMIUM Plus®

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DVD BI-COUCHE BI-FACE [1 record]

Record 1 1997-04-02

English

Subject field(s)
  • Computer Hardware
CONT

DVD increases the capacity of optical discs from 650 megabytes on CDs to 4-7 gigabytes. By using double tracks on both sides of the disc, it is possible to squeeze as much information on to one disc as on 27 CDs.

OBS

DVD - digital versatile disk.

French

Domaine(s)
  • Matériel informatique
CONT

Une autre génération de DVD est également prête à sortir des laboratoires. Leur particularité sera d’avoir deux étages d’informations sur chaque face. Pour passer de l’un à l’autre, on a dû rendre la couche supérieure semi-réfléchissante au rayon laser. Grâce à ce procédé, les capacités de stockage s’envolent. Un DVD double couche double face contiendra autant d’informations que 26 CD (17Go), l’équivalent de plus de 8 heures de film!

Spanish

Save record 1

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