Secondary Storage

Secondary Storage

1. Flash/Solid State

   • They are very portable because they have no moving parts so don't break very easily
     • Durable
   • USB
   • Non-volitile
   • Memory cards
     • Sim cards
   • Reliable but you can lose it or it can get stolen as they are so small
   • Fast
   • Low storage compared to the others
     • Expensive to get high storage

2. Optical Storage

   • CD
     • DVD
       • Blue-Ray
   • Non-volitile
   • Portable but can be easily broken
     • Not very durable
   • Fast
   • A Blue-Ray is better than a DVD, and a DVD is than a CD
     • Faster and can hold more data
   • Flash is better than optical
     • USB is better than a CD
   • Easily damaged or scratched

3. Magnetic Strorage

   • Not very portable because it is built into the computer
   • Floppy Disk
     • Portable but not a lot of storage, slow and not very durable.
   • A lot of storage, fast durable
     • High capacity
     • Slow write speed to tape
   • Magnetic Tape
   • Fixed Hard Drive
     • Portable Hard Drive
   • Good for backing up data
   • Cheap
   • Can be damaged by magnets

4. Non-volitile

5. Saves files so that when the computer is turned of you don't lose the data

6. Long Term

7. Cheap

8. Normally large storage capacity