What is the major difference between optical and magnetic discs?

Q. What is the major difference between optical and magnetic discs?

Answer :-

Magnetic discs:-

• Media type used is Multiple fixed disk
• Intermediate signal to noise ratio
• Sample rate is Low
• Implemented where data is randomly accessed.

Optical discs:-

• Media type used is Single removable disk
• Excellent signal to noise ratio
• Sample rate is High
• Implemented in streaming files.