meaning of volatile storage

1. non-volatile 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.
2. computer storage that is not lost when the power is turned off

Related Words

non-volatile storage | nonvolatile storage | volatile storage |

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