From LXF Wiki

This Linux-related article is a stub. You can help LXFWiki by expanding it (http://www.linuxformat.co.uk/wiki/index.php?title=Emulator&action=edit).

A program that emulates another computer, by creating a virtual CPU, devices and more. A console emulator, for example, lets a PC run games designed for a console, emulating the system and devices.