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Will quantum computers replace home computers?
Originally Answered: will quantum computers eventually replace classical computers any time soon? No, except in very restricted areas. Quantum Computers may be able to solve particular mathematical problems much faster than classical computers. But most computers are not used for solving mathematical problems.
How long until quantum computers are mainstream?
In the 2020s, we will have quantum computers that are significantly better than super computers today, but they most likely won’t be in mass use by governments and companies until the 2030s. Eventually toward the end of the 2030s and early 2040s they’ll shrink down to a size and cost viable for consumer use.
Can a normal computer simulate a quantum computer?
However, yes, you can make software simulations of a quantum computer using your average laptop/desktop. The obvious approach to simulate such a system requires exponential time on a classical computer and the space complexity is an exponential function of the number of quantum bits simulated.
How much faster is a quantum computer than a normal computer?
This makes Google’s quantum computer about 158 million times faster than the world’s fastest supercomputer. The quantum computer uses the rules of quantum mechanics to perform calculations beyond human comprehension.
Will quantum computers take over?
Quantum computing isn’t going to take over the world. But it’s going to have a major impact in the next decade or two by working in full concertation with classical computers.
How far off is quantum computing?
Most current quantum computers have around a hundred qubits at most. That might increase to a thousand or so over the next few years, but quantum computers that are actually useful are probably at least a decade away.
What are the limits of quantum computing?
Quantum computers are exceedingly difficult to engineer, build and program. As a result, they are crippled by errors in the form of noise, faults and loss of quantum coherence, which is crucial to their operation and yet falls apart before any nontrivial program has a chance to run to completion.
What can quantum computers simulate?
A quantum system of many particles could be simulated by a quantum computer using a number of quantum bits similar to the number of particles in the original system. This has been extended to much larger classes of quantum systems.