storage devices

storage devices

1. optical

   • examples
     • DVD's
     • Bluerays
     • CD'S
   • disadvantages
     • can only film
     • they can scratch
     • they can break
   • advantages
     • you can watch memes
     • they are portable

2. solid state

   • advantages
     • there portable
     • they are the fastest
   • disadvantages
     • Lifespan. The top disadvantage to SSD over HDD is how long they last. ...
     • Cost. If you were measuring the cost per GB of space, the SSD is a lot more expensive than HDD.
     • Storage. The current marketplace has SSDs with limited storage space.

3. magnetic

   • examples
     • pcs,desktop,computers,laptops,games consoles
   • advantages
     • they last along time
     • High corrosion resistance
     • High physical strength (do not chip, crack, or break easily)
   • disadvantages
     • Low corrosion resistance (if the plating is damaged)
     • Brittle (may break, crack, or chip upon sudden collisions with other magnets or metals)
     • Magnetism starts to decrease (and can be permanently lost) at 80°C*

4. purpose

   • what do we use storage for?
     • storing data(files operating system,applications)permently