What does it mean when we say that we are currently in the Noisy, Intermediate-Scale Quantum Computing (NISQ) stage?
A.Some quantum computers can now be purchased cheaply in stores by individual consumers.
B.Quantum computers have already reached peak performance and cannot be improved further.
C.Quantum computers are able to solve a number of current problems, and will continue to advance.
D.Quantum computers are still in the early theoretical stage, with no actual machines built yet.
