RAM is not volatile ROM is used to store the BIOS of a computer The data in ROM is easier to change than that in RAM RAM is used to store the data the user is currently working on. | RED=FALSE GREEN=TRUE |
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Read Only Memory
Non-volatile - not lost when computer is switched off Stores things such as: BIOS, programs in washing machine, program instructions for games The data cannot be changed It is used so that programs/coding/software can be stored permanently/cannot be changed Random Access Memory
A temporary store of data Holds the data that is currently being used by the user Volatile - so data is lost when computer is turned off It can be read from or written to The data in RAM can be changed It is needed so that users are able to make changes to the data they are working on/to store the program or data they are currently using main memoryThe CPU needs to store data whilst its carrying out the processing required The data or instructions that are to be processed by the CPU must be placed into main memory. MEMORY CAN BE CLASSED INTO TWO TYPES:
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