Storage

Storage

1. Optical

   • Advantage
     • Portable
   • Disadvantage
     • Low capacity
     • Low power
     • Can be easily scratched
   • Example
     • Using laser to read and write.
     • Optical mouse
     • Optical disc

2. Solid state

   • Example
     • It is found in phones, tablets and USB sticks.
   • Advantage
     • It is the most durable then magnetic and optical.
     • It has fast read and write speed then other storage.
     • It is energy efficient
   • Disadvantage
     • Solid state is not cost-effective as it the most expensive out of all.

3. Magnetic

   • Advantage
     • It has more storage than a optical drive.
     • Get more capacity for your money.
     • Faster then other types of storage.
   • Disadvantage
     • It is not that durable like a solid state.
   • Example
     • Floppy disc
     • Strips on credit card
     • Recording tape

4. Purpose

   • What do we use storage for?
     • We use storage for files, operating system and applications.