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non-volatile storage
<storage> (NVS, persistent storage, memory) A term describing
a storage device whose contents are preserved when its power
is off. Storage using magnetic media (e.g. magnetic disks,
magnetic tape or bubble memory) is normally non-volatile
by nature whereas semiconductor memories (static RAM and
especially dynamic RAM) are normally volatile but can be
made into non-volatile storage by having a (rechargable)
battery permanently connected.
Dynamic RAM is particularly volatile since it looses its
data, even if the power is still on, unless it is refreshed.
An acoustic delay line is a (very old) example of a volatile
storage device.
Other examples of non-volatile storage are EEPROM, CD-ROM,
paper tape and punched cards.
(2000-05-22)
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Nearby terms:
non-volatile « non-volatile memory « Non-Volatile Random Access Memory « non-volatile storage » no-op » NOR » NORC COMPILER
This article was derived from the Free Online Dictionary of Computers and is available under ther terms of the GNU Free Documentation License.
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