3820682
Description
Mind Map by Alexander Nevill, updated more than 1 year ago
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Created by Alexander Nevill
about 9 years ago
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Rom and Ram
- ROM
- R: Read
- M: Memery
- O: Only
- R: Read
- RAM
- M: Memary
- R: Random
- A: Access
- M: Memary
- What they do
- ROM: Once data has been written onto
a ROM chip, it cannot be removed
and can only be read. Unlike
main memory (RAM), ROM
retains its contents even when
the computer is turned off.
- RAM: is a hardware device that allows information to be stored and
retrieved on a computer but requires power to keep the data
accessible; if power is lost all data contained in memory lost.
- ROM: Once data has been written onto
a ROM chip, it cannot be removed
and can only be read. Unlike
main memory (RAM), ROM
retains its contents even when
the computer is turned off.
- There differences
- RAM= Loses its memory if
computer is turned of.
- ROM= doesn't lose its memory even if computer is
turned
- Ram= Ram can do more things when more MB
and GB are put in the computer
- RAM= Loses its memory if
computer is turned of.
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