Read-only memory (ROM) is a type of non-volatile memory
used in computers
and other electronic devices
. Data stored in ROM cannot be electronically modified after the manufacture of the memory device
. Read-only memory is useful for storing software
that is rarely changed during the life of the system, also known as firmware
. Software applications (like video games
) for programmable devices can be distributed as plug-in cartridges containing ROM
.
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