Optical Storage

Question 1

How does optical storage work?

Answer 1

Bits of data are stored on a disk using tiny holes.

A laser is then used to shine onto the disk to read with their is a hole or not (1 or 0)

Question 2

What are 3 advantages of optical storage?

Answer 2

Great reliability.
Cheap per unit of storage.
Relatively robust. (Shock and Water resistant).
Easily portable.