storage devices

storage devices

1. optical

   • Advanteges
     • cheap
     • porable
     • can be used in a variety of uses
   • Disavanteges
     • can be easily scrached
     • low capacity
   • examples
     • cds,dvds and blue ray.
   • sony BD-RE Blue Ray
     • optical
     • Capacity: 50 GB
     • speed: 72 MB/S
     • portability: 4 stars
     • Reliability: 2 stars
     • price per GB £0.14

2. magnetic

   • examples
     • PCS,desktop,computers,laptops,games consols.
   • Disavanteges
     • less durable than effective
   • Advanteges
     • High capacity
     • cost-effective
   • Seagate 2 TB internal SATA
     • its magnetic
     • capacity: 2 TB
     • speed: 120 MB/s
     • portability: 1 star
     • Reliability: 4 stars
     • price per GB : £0.03

3. solid state

   • Disavanteges
     • Not as cost as effective.
   • exaples
     • it has moving parts.
     • phones,tablets and gaming pcs,laptops
   • Advanteges
     • High read with speed
     • Durable
   • all about the sandisk
     • its a solid state
     • capity:64 GB
     • speed:30 MB/s
     • protability: 5 stars
     • Reliability: 4.5 stars
     • Reliability: 4.5 stars
     • price per GB : £0.45

4. purpose

   • what do we use storage for
     • storage data files operating systems
     • and we use them for are things like personal info all about us.

5. more about storage devices

   • the solid state drive was made in 1950s
   • input devices
     • they are things that you put into the computer and other things

Images and files in the map