What are the specific differences between an “emulator” and a “virtual machine”? [duplicate]

Virtual machines make use of CPU self-virtualization, to whatever extent it exists, to provide a virtualized interface to the real hardware. Emulators emulate hardware without relying on the CPU being able to run code directly and redirect some operations to a hypervisor controlling the virtual container. A specific x86 example might help: Bochs is an …

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