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Magnetic storage
Eg. hard drive.
cheap and hold lots of information.
often used to hold the computers operating system but are easily damaged because they contain moving parts
Solid state storage
Eg. USB stick
Expensive so have a smaller capacity than magnetic storage.
Small and durable so often used to transport data around.
Optical storage
Stores data as a series of dots than can be read by a laser like a CD
cheap to make and very durable but slow to read.
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