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printed June 28, 2017
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ROM

Read-Only Memory

Memory that stores data long-term. This memory is non-volatile, meaning it keeps data even when the device is powered off.

This memory stores user content, as well as a copy of all software so it can be loaded into RAM when needed.

See: RAM

ROM is better known as flash memory.

See: Flash Memory

"Read only" is actually a misnomer that has carried over from older devices that had an OS and applications that were generally fixed and therefore stored in truly "read-only" memory. Modern devices use storage memory that easily and frequently changed, but the term has remained.

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