+An **emulator** is a system that enables one [Computer](/wiki/computer) to behave like another, different one. This allows [Software](/wiki/software) designed for the emulated machine to run on the host system, preserving access to older or incompatible programs.
+## See also
+- [Virtual Machine](/wiki/virtual_machine)
+- [Hardware](/wiki/hardware)
+- [Retro Gaming](/wiki/retro_gaming)
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