Computer compact disc. Compact disc above the computer tray in which it sits. The disc may contain images,sound and text. It is made of plastic pressed with a series of fine depressions. These pits,representing digital information,are read by a laser. The encoded layer is coated with a film of metal to reflect laser light | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Horrell, Steve |
Taille de l’image : | 4693 px × 3565 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |