2786759
Description
Mind Map by jake.maynard100210, updated more than 1 year ago
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Created by jake.maynard100210
almost 9 years ago
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Secondary Storage
- non-volatile
- When the computer is
turned off the data
will be saved
- When the computer is
turned off the data
will be saved
- optical
- Advantages
- good for
archiving
- transportable
- durable
- good for
archiving
- Disadvantages
- requires special
drives to read and
write
- doesn't store a lot
of data compared
to the others
- requires special
drives to read and
write
- Examples
- CD
- DVD
- CD
- Advantages
- magnetic
- Advantages
- quick to
access data
- some are cheap
e.g. floppy disk
- store a large
amount of data
- quick to
access data
- Disadvantages
- data can be altered by
magnetic fields
- data can be altered by
magnetic fields
- Advantages
- Solid sate drive(SSD)
- Advantages
- No moving
parts
- transfer
speeds are
faster
- runs at the same
speed no matter
how much data is
being accessed
- long life span
- No moving
parts
- Disadvantages
- expensive
- slow
random
write speeds
- expensive
- Examples
- memory stick
- memory card
- phone
- memory stick
- Advantages
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