Compact disc (CD) used for storing data. CDs consist of a sheet of plastic and metal which has a surface covered in microscopic pits. A laser scans the surface as the disc rotates and detects the pits,which it converts into a stream of data. CDs can be used to store music,text and digital images | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Heseltine, John |
Taille de l’image : | 3780 px × 3760 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |