JessicaDiaper
Mind Map by , created more than 1 year ago

Mind Map on RAM and ROM, created by JessicaDiaper on 24/09/2014.

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JessicaDiaper
Created by JessicaDiaper over 10 years ago
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RAM and ROMWhat does RAM stand for?Random access memoryWhat does ROM mean?Read only memoryWhat is the purpose of RAM?It it used for storing loaded programme and datauseWhat is the purpose of ROM?ROM is memory that cannot be changedby a programme or userWhat does volatile and non-volatile mean? Is RAM volatile ornon-volatile? Is ROM volatile or non-volatile?Volatile is a type of computer memory that will onlykeep data as long as the power stays on when thepower is switched of, all of the data is lost.Whereas non-volatile is a type of memory thatdoesn't require power to keep the data.An example of volatile is RAM (randomaccess memory)An example of non-volatile is ROM (read only data)will retain it's data even with the power off.What is stored in the RAM?- The operating system - Applications - Thegraphical userWhat is stored in the ROM?ROM contains all of the instructions needed to startthe computerCan you change what is stored inthe RAM?Yes, because as you open and close programmes youare changing what is stored in the RAMCan you change what is stored inROM?No because it retains it's memory even when thecomputer is turned offDouble click this nodeto edit the textClick and drag this buttonto create a new node