The world of computer systems is continually evolving, with advancements in science and technology driving innovation. As of my last knowledge update in September 2021, Quantum computing represents a groundbreaking shift in computing technology. While it was still in its early stages in 2021, researchers and companies like IBM, Google, and Rigetti were making significant strides in developing quantum computers. These systems have the potential to solve complex problems exponentially faster than classical computers, revolutionizing fields like cryptography, materials science, and optimization.