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secondary storage - Coggle Diagram
secondary storage
solid state
advantages
disadvantages
examples
magnetic
advantages
huge capacity
relatively cheap per gigabyte
fast access and retrieval times
disadvantages
not as portable
slower access than solid state
will wear out due to moving parts
can be damaged due to magnetic field
examples
magnetic tape
floppy disk
hard disk drives
optical
advantages
cheap if less 10GB
portable medium that takes up little space
immune to magnetic field
disadvantages
less storage capacity compared to other types
easily damaged - scratches
slow write speed when burning
slow access speed compared to hard disk
examples
DVD
CD
