Predicting the future of technology is inherently challenging, and it is difficult to make definitive statements about the precise timeline or impact of quantum computers on regular computers. Quantum computing is a rapidly evolving field, and while there have been significant advancements, practical and scalable quantum computers are still in the early stages of development.
At present, quantum computers face numerous technical hurdles, including improving qubit stability, reducing error rates, developing fault-tolerant systems, and scaling up the number of qubits. These challenges need to be overcome before quantum computers can outperform classical computers in a wide range of applications.
Given the current state of the technology, it is uncertain when or if quantum computers will completely replace classical computers. While quantum computers have the potential to solve certain problems exponentially faster than classical computers, there are also many tasks where classical computing remains highly effective and efficient.
Furthermore, classical computers have a well-established and mature ecosystem that includes hardware, software, infrastructure, and a large base of skilled developers and users. Quantum computing will likely coexist with classical computing for the foreseeable future, and it is more likely that quantum computers will be used in conjunction with classical systems to tackle specific problems where they demonstrate a clear advantage.
While it is difficult to predict with certainty, it is generally safer to assume that classical computers will continue to play a vital role in computing for many decades to come, even as quantum computing advances.