secondary storage

secondary storage

1. magnetic

   • advantage
     • high capacity unlike optical where its capacity is low
     • cost -effective
   • disadvantage
     • less durable then solid state
   • example
     • floppy disk
     • hard disk drive

2. solid state

   • advantage
     • high read write speed
     • energy efficient
     • durable
   • disadvantage
     • not as cost effective as magnetic
   • FACT
     • solid state storage is found in phones, tablets and USB sticks.
   • speakers
   • digital watch

3. optical storage

   • advantage
     • portable
     • can be used in a variety of devices
     • cheap
   • disadvantage
     • can be easily scratched unlike a solid state that is nice and durable
     • low capacity unlike magnetic
   • example
     • DVD
     • compact disk

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