Talks from the future: A beginner's guide to Quantum Computing "A beginner's guide to quantum computing | Shohini Ghose. TED Talk" What is quantum computing? Quantum computing is a type of non-classical computing based on the quantum state of subatomic particles. It differs fundamentally from classic computers, which operate using binary bits. Quantum computing uses quantum bits, or qubits. One qubit can represent a range of values, which is known as ‘superpositioning’. Superpositioning grants quantum computers speed and parallelism, since each individual qubit can represent a quantitative solution to a problem. Qubits can also be linked together (known as “entanglement”). Each entangled qubit adds two additional dimensions to the system. Combined with superposition, quantum computers are capable of processing a massive number of possible outcomes at once. The number of high-quality qubits necessary to make a viable quantum computer depends ...
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