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Wednesday, 25 January 2012

What is non-volitile memory ?

1/25/2012 11:27:00 pm  Unknown  No comments

Non-volatile memory is computer memory that is used for the task of secondary storage. Unlike volatile memory it does not rely on power to remain viable, in other words the data in this type of memory is maintained even when the hardware is turned off. Read Only Memory (ROM), flash memory and optical discs are examples of non-volatile memory. Type of ROM include PROM and EPROM. PROM is programmable read-only memory whereas EPROM is erasable programmable read-only memory.  ROM is also used to store the computer's BIOS, which contains the basic startup instructions a computer needs to perform a self-test, load basic hardware and find a source of an operating system
Understanding what Non-volatile memory is would be useful to a consumer when deciding whether they need secondary storage options such as CD or DVD when purchasing a computer.
Memory; ROM vs RAM: MemTreeREVISED.jpg

Shantanu

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