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Mindmap

Secondary Storage

Oliver Finch Englisch

Inhalt der Mindmap

Secondary Storage

Optical
- Definition
  - Optical storage is the storage of data on an optically readable medium (a shiny disc that reflects light) .
- Characteristics
  - Capacity
    - DVD: 4.7GB
    - CD:720MB
    - Blu-Ray: 25GB
  - Speed
    - 50Mbps
  - Portability
    - Very good
  - Durability
    - Degrades Over Time
  - Cost
    - 25GB: 44p
- Examples
  - DVD
  - CD
  - Blu-Ray
Magnetic
- Definition
  - Magnetic storage is the manipulation of magnetic fields on a medium in order to record audio, video or other data.
- Characteristics
  - Capacity
    - 10TB max.
  - Speed
    - Slow
  - Cost
    - Cheap
  - Portability
    - Not the best
  - Durability
    - Very
- Examples
  - Hard disk drive
  - Floppy disk
  - VHS
Solid State
- Definition
  - Solid-state storage devices are based on electronic circuits with no moving parts
- Examples
  - USBs
  - SD cards
  - Smart cards
- Characteristics
  - Speed
    - Not too fast
  - Portability
    - Extremely
  - Cost
    - 16GB: A couple pounds
  - Durability
    - Very
  - Capacity
    - 4TB max.

Informationen

Beschreibung: Mindmap am Secondary Storage, erstellt von Oliver Finch am 09/10/2017.
Erstellt von: Oliver Finch
Aufrufe: 0
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