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noun

qubit

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Qubit (noun) means the basic unit of information in a quantum computer, which can hold more than one value at the same time.

noun
1
The basic unit of information in a quantum computer, which can hold more than one value at the same time.
"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." — Dennis Overbye, Quantum Computing Is Coming, Bit by Qubit (2019)
"Each extra qubit in a quantum machine doubles the number of simultaneous operations it can perform." — ‘An uncertain future’, The Economist (2012)
"Quantum computing, on the other hand, is based on quantum bits, or qubits." — NewScientist (2006)
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Etymology

A blend of quantum and bit, playing on cubit (“historical unit of length”). Coined by the American physicist Benjamin Schumacher in 1995.

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Frequently asked questions

What is the meaning of qubit?
"qubit" (noun) means the basic unit of information in a quantum computer, which can hold more than one value at the same time.
Definitions from Wiktionary, CC BY-SA 4.0