Intel 386

Realizes: 32-bit protected-mode CPU operations with paging enabling modern OS virtualization

Intel's 80386 microprocessor introduced 32-bit protected mode with paging and hardware multitasking support, forming the foundation for modern OS virtualization and advanced multitasking environments.

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Intel 80386 Wikipedia article

Intel's 80386 entry documents its 32-bit protected mode, paging, and multitasking innovations that enabled the virtualization pioneers of modern PC OSes.

[FETCH-DECODE-EXECUTE,PAGING,INTERRUPT,MULTITASKING] nanoseconds large nJ