what are the advantages and disadvantages of magnetic storage,optical storage and solid state storage?

Answer 1

Magnetic can be erased, damaged or worn out. But it can also be very fast. Hard drives are magnetic.

Optical can be written only once(in most cases) scratched, improperly burned or lost, but they are portable, cheap and easy to mail.

Solid state is very small, will not wear out from excessive use and is relatively durable.

Answer 2

List Of Magnetic Storage Devices