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Mind map

Secondary Storage

William Phillips English

Map content

Secondary Storage

Optical
- definition
  - Optical storage is something that Stores data on an optically readable medium
- characteristics
  - speed
    - capacity
      - DVD: 4.7 GB
        CD: 720 MB
        Blu-Ray: 25 GB
    - portability
      - durability
        reliability
        cost
        25 GB/£0.44
        Decays over time
        Decays over time
      - Good
    - 50 MBPS
Solid State
- definition
  - solid state drives don't have any moving parts hence their name. It also uses flash memory to store it's data.
- characteristics
  - speed
    - portability
      - durability
        reliability
        cost
        128 GB/£40
        Extremely reliable
        Very Good
      - Good
    - capacity
      - up to 240 GB
    - 60 GBPS
Magnetic
- definition
  - Magnetic storage is one of the most affordable ways to store large amounts of data and has been implemented using magnetic tape, floppy disks and hard disk drives.
- characteristics
  - speed
    - capacity
      - 6 TB
    - portability
      - durability
        reliability
        cost
        £85
        Extremely reliable
        Can be damaged if moved
      - Bad
    - 3 GBPS

Information

Description: Mind Map on Secondary Storage, created by William Phillips on 09/10/2017.
Created by: William Phillips
Views: 1
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