qubit
/ˈkjuːbɪt/
qubit
English
Noun
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Definition
A quantum bit; the basic unit of quantum information described by a superposition of two states; a quantum bit in a quantum computer capable of being in a state of superposition; A binary qudit.
Etymology
Blend of quantum + bit, a play on cubit (“historical unit of length”). Coined by American physicist Benjamin Schumacher in 1995.
Example Sentences
- "Quantum computing, on the other hand, is based on quantum bits, or qubits."
- "Each extra qubit in a quantum machine doubles the number of simultaneous operations it can perform."
- "Google’s Sycamore computer has all of 53 qubits to its name, as does a new IBM computer, installed online at the company’s Quantum Computation Center in Poughkeepsie, N.Y. System One, IBM’s black cube from tomorrow, only has 20 qubits."
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