STORAGE:

STORAGE:

1. optical

   • examples
     • DVD's
       • 15£-30£
     • Blu-ray
       • 69£-1000£
     • CD's
       • 10£-24£
   • advantages
     • cheap
     • can be used in a variety of different devices
     • portable
   • disadvantages
     • low capacity
     • can be easily scratched
   • capacity: 700mb-128gb (less capacity than both solid and magnetic)
   • has the least durability

2. purpose

   • what do we use storage for?
     • Storing Data (files, operating systems, applications)permanently.

3. solid state

   • advantages
     • Energy efficent
     • Durable
     • High read/write speed
   • disadvantages
     • not as cost effective
   • examples
     • tablets
       • 100£-200£
     • phones
       • 365£
     • USB stick
       • 5£-20£
   • capacity: 256gb-1tb (less capacity than magnetic but has more than optical)
   • has the most durability

4. magnetic

   • advanteges
     • high capacity
     • cost effective
   • disadvanteges
     • less durable than solid state
   • examples
     • laptop
       • up to 1500£
     • hard disks
       • 11$-38$
     • computer
       • less than 300£
     • PC's
       • up to 300£
     • floppy disks
       • £1695
     • game console
       • 300£-400£
   • capacity: 700gb-1tb (more capacity than both solid and optical )