Rom and Ram

Alexander Nevill
Mind Map by Alexander Nevill, updated more than 1 year ago
Alexander Nevill
Created by Alexander Nevill almost 5 years ago
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ROM and RAM
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Rom and Ram
1 ROM
1.1 R: Read
1.2 M: Memery
1.3 O: Only
2 RAM
2.1 M: Memary
2.2 R: Random
2.3 A: Access
3 What they do
3.1 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.
3.2 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.
4 There differences
4.1 RAM= Loses its memory if computer is turned of.
4.2 ROM= doesn't lose its memory even if computer is turned
4.3 Ram= Ram can do more things when more MB and GB are put in the computer
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