why ram is volatile and rom non volatile
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Types of memory that retain their contents when power is turned off. ROM is nonvolatile, whereas RAM is volatile. This term often refers to the CMOS memory in PCs that holds the BIOS.
Explanation:
That memory was lost. It was volatile. ROM memory is non-volatile because it's still there when the computer is unplugged. Flash memory is considered non-volatile because it also retains data when the power is removed.
RAM exhibits data remanence, but it is still volatile in the conventional sense that data is eventually lost when the memory is not powered.
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