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quantum bit
noun
, Computers.
- the fundamental unit of information in a quantum computer, capable of existing in two states, 0 or 1, simultaneously or at a different time.
quantum bit
- The smallest unit of information in a quantum computer. Unlike bits in classical systems, which are in one of two possible states labelled 1 and 0, a quantum bit exists in a superposition of these two states, settling on one or the other only when a measurement of the state is made.
- Also called qubit
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Word History and Origins
Origin of quantum bit1
First recorded in 1990–95
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Example Sentences
Instead of the traditional bits made of 1s and 0s, they use quantum bits that can represent different values at the same time.
The fragile quantum bits, or qubits, that make up the machines are notoriously error-prone, but now scientists have shown that they can fix the flubs.
From Science News
Existing quantum computers are notoriously fragile, their quantum bits — qubits — prone to incurring random errors.
From Quanta Magazine
Google’s device, called Sycamore, is based on tiny quantum bits made of superconducting materials, which conduct energy without resistance.
From Science News
Qubits are “quantum bits,” a turbocharged version of classical computing’s bits.
From Fortune
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