1.How do optical storage systems differ from magnetic storage systems? Give some examples of optical storage systems. 2. What do you understand by tracks and sectors on the surface of a magnetic disk?...

1.How do optical storage systems differ from magnetic storage systems? Give some examples of optical storage systems. 2. What do you understand by tracks and sectors on the surface of a magnetic disk? 3. Write some important properties of optical storage systems.

4. What do you understand by magneto-optical storage systems? Describe the principle used in magneto storage systems for recoding data.