secondary storage

secondary storage

1. magnetic

   • Data is stored magnetically
   • Data can be read directly from any part of the hard disk
   • Highest capacity
   • Longer read/write than SSDs

2. solid state

   • Lower power consumption
   • Doesn't need to be defragmented
   • More durable
   • Fastest read/write speed

3. optical media

   • CDs hold 700MB DVDs hold 4.7GB Blu-ray holds 25GB
   • The most portable
   • The cheapest storage option
   • giving the parents a copy of 'we will rock you' play.