Qubit

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Qubit

Quantum Bit

A qubit, also known as a quantum bit, is the basic unit of information used in quantum computing. Much like how today’s computers fundamentally work by manipulating bits that exist in two different states, quantum computers manipulate qubits that can exist in either of two basis states or the superposition of both states at the same time. Qubits represent the states of atoms or subatomic particles while bits represent the states of a transistor. Because particles are generally thought of as existing across all possible states at the same time, qubits can store much more information than bits and provide an inherent opportunity to be used in parallel computing.

Source : DeepAI.org