permanent storage
  • storage, such as that of a ROM chip, which can not be altered once data has been placed there.
  • computer storage which retains its content when the power is interrupted or turned off. Almost all computer storage, such as that utilizing disks or tapes, is of this nature. Also called non-volatile storage (1).
  • computer memory which retains its content when the power is interrupted or turned off. Examples include ROM, EEPROM, and flash memory. Also called non-volatile storage (2).

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