storage devices and media

storage devices and media

1. CD

   • Advantages
     • Cheap to manufacture
     • Easily transported
     • cheap and popular devices
   • Disadvantages
     • low storage capacity (700 MB)
     • fragile
     • slow-read write speed (how fast they can contain data)

2. DVD

   • Advantages
     • Higher storage (8.56 GB)
     • Cheap to manufacture
     • Universal format
     • Can be dual layer
   • Disadvantages
     • Still fragile
     • Lower storage than many other media

3. HDD (hard disk drives)

   • Advantages
     • Cheap per MB storage
     • fast read/write speed
     • long lasting
     • Durable
     • Large storage capacity
   • Disadvantages
     • Moving parts
     • Need to avoid magnetic field
     • not as large as SSD
     • slow read-write than SSD

4. BLURAY

   • Advantages
     • Cheap to manufacture
     • Highest popular optical storage capacity
     • Can store HD movies
     • Can be dual layer
   • Disadvantages
     • Fragile
     • Quickly overtaken by streaming media

5. SSD

   • Advantages
     • Very fast read-write speed
     • Compact size
     • No moving parts
   • Disadvantages
     • Lower capacity than HDD, expensive per MB

6. Flash Storage

   • Advantages
     • Small, compact
     • Fast read-write over USB 3.0
   • Disadvantages
     • Low storage capacity

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