Mind map

storage divces

Rhys Harvey English

Map content

storage divces

optical
- exampels
  - optical storage use's to rad and write CDs DVDs blu-ray
- advantages
  - portable can be used in variety of devices cheap
- disadvantages
  - can be easily scratched low capacity
- information on sony blu-ray
  - capacity 50 gb
  - speed 72 mb
  - portability 4 star
  - reliability 2 star
  - price 0.14
- sony cd-r
  - capacity 700 mb
  - speed 1200 kb
  - portability 4 star
  - reliability 2 star
  - price 0.54
magnetic
- example
  - the hard disk inside the laptop or computer is probable a magnetic
- advantage
  - high capacity cost-effective
- disadvantage
  - less durable then solid state
- information on tb internal sata
  - capacity 2 tb
    - speed 120 mb
  - portability 1 star
  - reliability 4 star
  - price 0.03
solid state
- exapels
  - xbox laptops tablets pc mac computers
    - it is a moving part thing
    - it moves in phones tablet and usb stick
- disadvantages
  - not as cost effective
- advantages
  - high read write speed energy efficient
- samsung 840 solid state drive
  - capacity
    - 750 gb
  - speed
    - 520 mb
  - portability
    - 5 star
  - relibility
    - 4 star
  - price 0.54
- kingstone drive
  - capacity
    - 256 gb
  - speed
    - 225 mb
  - portability
    - 5 star
  - reliability
    - 4 star
  - price
    - 0.93
- sandisk card
  - capacity
    - 64 gb
  - speed
    - 30 mb
  - portability
    - 5 star
  - relibility
    - 4 star
  - price
    - 0.54
purpose
- what do we use storage for?
  - storage data files operating system
the solid state drive was made in 1950
- the first ssd was called carge capactor