Quantum Computing for the Newb. ... and water, is exhibited by quantum computers. Quantum logic gates (by Rxtreme) Qubits & Superposition.
A quantum computer is a type of computer that uses quantum mechanics so that it can perform certain kinds of computation more efficiently than a regular computer can.

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The ordinary bits we use in everyday digital computers are either 0 or 1.

While a universal quantum computer can do anything a classical computer can do, the problem we are interested in solving determines whether we want to use a quantum computer. A quantum computer uses what are called qubits, which can be a mix of both 1 and 0 simultaneously and which exist in a delicate quantum state called superposition. This is important in a topic like quantum computing, which overwhelms many learners with unfamiliar concepts and notation. Google has reportedly demonstrated for the first time that a quantum computer is capable of performing a task beyond the reach of even the most powerful conventional supercomputer in … ... and haven’t mentioned vibrant start-up community or medium-sized companies already working in the field. Quantum computing could eventually revolutionize the way medicines are developed, financial options are priced and climate change is managed, experts say. Its interface integrates powerful ideas from cognitive science to make memory a choice.

Quantum Computing for Business. Quantum computing studies theoretical computation systems that make direct use of quantum-mechanical phenomena, such as superposition and entanglement, to perform operations on data.
In classical computer, we transforms any data to zeros and ones, so called bits.

Google Claims Quantum Computing Achievement, IBM Says Not So Fast.

A quantum computer isn't just a more powerful version of the computers we use today; it's something else entirely, based on emerging scientific understanding -- and more than a bit of uncertainty. … ... Quantum computers are a natural fit for pharma R&D as they are better suited to perform simulations of quantum objects, being of quantum nature themselves.