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Re:What is the difference between simulation and emulation? by pmontra on Friday August 19, 2022 @02:14AM (#32517981)
Emulator: make a CPU architecture run (exactly) on a different one. Example: x86 on M1. See also QEMU https://www.qemu.org/

Simulator: run (approximately) a physical system on a computer. Example: weather forecasts.

As always in practice close words are used interchangeably.

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