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Types of Storage

There are three main types of secondary storage in a computer system:

  • -solid state storage devices, such as USB memory sticks
  • -optical storage devices, such as CD, DVD and Blu-ray discs
  • -magnetic storage devices, such as hard disk drives


Presentation on Storage: 

Additional Reading: (Bitesize overview) (storage in the year 2030 and beyond)


Where do you store data? On a memory stick? On your phone? Do you back up? Where? Can you think of a more efficient way of storing everything? How about on a tiny computer chip embedded in your little finger? Would that work? Is this good or bad - what do you think?

Is DNA the future of storage?