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computer memory
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The term RAM stands for random access memory which is a storage device made up of silicon chips. A computer has two types of RAM these use arrays of transistor switches to store the binary data or in other words the switches on the chips can change, which is done by an electrical current being passed through them. This type of memory is volatile which means that any information that is in it when the computer is switched off is then lost, apart from the program which is being run at that time which is unaffected as it is only a copy of it. This then means that the users created data has to be saved before the computer is switched off. The term ROM stands for read only memory that can only be read but cannot be written to. This type of memory is not volatile this means that all the switches on the silicon chips are already set, which means that any information that is in it when the computer is switched off is then kept. The computer BIOS is stored in this type of chip so that the basic computer control programs are available as soon as the computer is switched on so it can operate.
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Paper Information
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Title: computer memory
Words: 1023
Rating: None
Pages: 4.1
submitted by: zippy5555
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