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90870
Memory
Description
Higher ICT Mind Map on Memory, created by Matthew Chapman on 15/05/2013.
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ict
ict
higher
Mind Map by
Matthew Chapman
, updated more than 1 year ago
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Created by
Matthew Chapman
over 11 years ago
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Resource summary
Memory
RAM
Random access Memory
Allows storage of data and information such as OS's
RAM advantages you can "write" to ram at any time, and then erase the ram at any time and "rewrite" over it.
It has a disadvantage in that you need to constantly supply it with power or it will lose its information.
ROM
Read Only Memory
ROM advantage is that (generally) once it is "written" to, it will be there forever.
It does not require constant source of electricity.
cannot be altered
Flash Memory
Faster read and write compared to traditional hard disk drives.
Currently costs a lot more per gigabyte than traditional hard drives for large storage capacities.
Less prone to damage.
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