Hi, I would like to know what are the benefits/advantages of Quantum Computing?

Question

Are there any applications that have been impacted and are using Quantum computing in a major way?

Answer 1

There is zero quantum computing in the world.
There is a lot of theory about how fast it will be.

Answer 2

Check this out:

"Qubits do not rely on the traditional binary nature of computing. While traditional computers encode information into bits using binary numbers, either a 0 or 1, and can only do calculations on one set of numbers at once, quantum computers encode information as a series of quantum-mechanical states such as spin directions of electrons or polarization orientations of a photon that might represent a 1 or a 0, might represent a combination of the two or might represent a number expressing that the state of the qubit is somewhere between 1 and 0, or a superposition of many different numbers at once. A quantum computer can do an arbitrary reversible classical computation on all the numbers simultaneously, which a binary system cannot do, and also has some ability to produce interference between various different numbers. By doing a computation on many different numbers at once, then interfering the results to get a single answer, a quantum computer has the potential to be much more powerful than a classical computer of the same size. In using only a single processing unit, a quantum computer can naturally perform myriad operations in parallel. " [See source.]

Quanta have a variety of intrinsic characteristics: charge, mass, spin. Each of these characterics is discrete, which simply means each can take on only certain values and none in between. The discreteness of these characteristics is something like the 0,1 discrete values of an ordinary binary value in a common computer...but more so because some of the characteristics can take on multiple discrete values. Further, each characteristic adds another dimension of information that can be processed by a quantum computer.

Answer 3

If people do figure out how to do useful computations at the quantum level, the advantage will be scale. Eventually we'll reach the limits of Moore's Law when we can't figure out how to build circuits with just a handful of molecules. The only way to proceed then will be to compute using phenomena at an atomic or subatomic level.

Answer 4

When they get going they will be VERY fast. With normal computers they use binary code, 0's and 1's, Quantum computers will have a third position of the switches, they can be both at once. This will make computing MUCH faster.

Answer 5

quantum computing is not here yet

Answer 6

quantum computers havent been distributed yet, or finished. they're gunna be alot better i rekon