Secondary storage

Secondary storage

1. SSD

   • Lower power consumption
   • Do not need defragmenting
   • More durable (shock proof)
   • Fastest read/write speed

2. Optical

   • CDs hold 700MB DVDs hold 4.7GB Blu-Ray holds 25GB
   • The cheapest storage option
   • The most portable
   • To give parents

3. Magnetic

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