What is ROM? What Opens a ROM? File Format List from WhatIs.com

File Extension

ROM File Format

Cartridge-based home video game emulator file

ROM is a file extension for a video game emulator file extracted from cartridge-based home video game console cartridges such as Colecovision, Sega, Nintendo, etc.

ROM stands for Read Only Memory and is an accurate description, as cartridges generally could not be written to. A ROM is only usable on an emulator that the game originated from.


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Wikipedia has an entry on ROM files.

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This was last updated in July 2010
Editorial Director Margaret Rouse

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