Storage devices

Storage devices

1. optical

   • examples
     • DVD
     • CD
     • Blu-ray
   • advatages
     • Portability
     • Cost effective (CHEAP)
     • For entertainment purposes it is a great way to get films and music cheaper and easier then other storage devices
   • Disadvantages
     • Easily scratched
     • low storage capacity
   • purpose
     • Used to store films and other recordings

2. solid state

   • disadvantages
     • not cost effective
     • limited storage capacity
     • limited read and write span
     • More vulnerable to abrupt power loss
   • examples
     • Phones
     • tablets
     • USB
   • Advantages
     • No moving parts so durable
     • high read and write speed
     • energy efficient
     • Reliable
     • Compact in size therefore portable

3. Magnetic

   • Advantages
     • High capacity
     • Cost effective
   • Examples
     • PC
     • Laptop
   • Disadvantages
     • Lacks durability due to moving parts
     • Slow read and write speed
     • Likely to slow down and break over time