Advertisement

Advertisement

# quantum computer

## noun

- a computer that makes use of the quantum states of electrons or other particles to store and process information as quantum bits.

quantum computer

## noun

- a type of computer which uses the ability of quantum systems to be in many different states at once, thus allowing it to perform many different computations simultaneously

quantum computer

- A computer that exploits the quantum mechanical properties of superposition in order to allow a single operation to act on a large number of pieces of data. In a quantum computer, the data to be manipulated, represented in quantum bits, exists in all possible states simultaneously, in superposition. This allows a single operation to operate over all of these states at once, in contrast with a classical computer, which must carry out an operation for each state separately. Because of the difficulty of creating environments small enough for quantum effects to emerge but sufficiently isolated to prevent interaction with outside influences such as heat, only extremely rudimentary quantum computers currently exist, though algorithms for possible future devices are being developed.

## Other Words From

**quantum computing**noun

## Word History and Origins

Origin of quantum computer^{1}

## Example Sentences

Parallel processing, something our brains do very well but that stumps modern computers, has been scientists’ stretch goal for quantum computers since the 1990s.

Last year, startup Universal Quantum announced plans to build a modular quantum computer out of a network of many smaller units using trapped-ion qubits.

Using them to solve practical nonlinear problems requires quantum computers with thousands of qubits to minimize error and noise — far beyond what’s possible today.

The new quantum computer, called Jiŭzhāng, is a bit like the child of Deep Thought.

The researchers have built a quantum computer prototype that is able to detect up to 76 photons through Gaussian boson sampling, a standard simulation algorithm, the state-run Xinhua news agency said, citing research published in Science magazine.

Advertisement

Advertisement

Advertisement

Advertisement

Browse