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secondary storage - Coggle Diagram
secondary storage
optical
advantages
Cheap if less than 10GB
portable storage medium that takes up little physical state
Immune to magnetic fields
disadvantages
easily damaged
slow speeds compared to a hard disk
Less storage capacity compared to other types
examples
used for storing music and video
magnetic
advantages
It has a huge capacity
Faster than optical
relatively cheap per gigabyte
Magnetic tape can hold data up to 30 years in the correct enviroment
disadvantage
can be damaged due to magnetic fields
Not as portable as other technologies
Due to moving parts will eventually wear out over time
Examples
Hardrive magnetic T
solid state