Storage devices and media

Storage devices and media

1. Is an optical storage device similar CD and DVD technology. It also uses a laser to read and write to the disk but instead of the red laser beam as used in a CD and DVD it uses a blue-violet laser

   • Advantages
     • Cheap to manufacture highest popular optical storage capacity, enough to store HD movies and can be dual layer
   • Disadvantages
     • Fragile and quickly over taken by streaming media

2. DVD

   • It is similar to a CD that is an optical device that a laser is used to store and read the data
     • Advantages
       • Higher storage than a CD
     • Disadvantages