Why it is necessary to use rom in a computer?
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Rom is necessary because we have to store some pictures documents videos etc.. that we can keep in ROM
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ROM is memory that cannot be changed by a program or user. ROM retains its memory even after the computer is turned off. For example,ROM stores the instructions for the computer to start up when it is turned on again. So as to store data forever because in RAM the data erases whenever the PC is switch off.
hope ot help you .
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