Linux was called 'obsolete' in 1992, and now it powers servers around the world
(www.xda-developers.com)
IBM PC and Apple Mac are both based on the same thing: the idea of a personal computer. IBM PC even put "PC" in the name.
You can definitely tell that they were designed with similar principles in mind, but they are not in any way compatible on a technical level.
ARM and RISC-V are both based on the same thing: the idea of a reduced instruction set. RISC-V even put "RISC" in the name.
You can definitely tell that they were designed with similar principles in mind, but they are not in any way compatible on a technical level.