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.

Origin of quantum computer

First recorded in 1980–85

OTHER WORDS FROM quantum computer

quantum computing, noun

Words nearby quantum computer

Quantrill, quantum, quantum bit, quantum chemistry, quantum chromodynamics, quantum computer, quantum cryptography, quantum efficiency, quantum electrodynamics, quantum electronics, quantum field theory

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for quantum computer

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for quantum computer

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.

单词	quantum computer
释义	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. Origin of quantum computer First recorded in 1980–85 OTHER WORDS FROM quantum computer quantum computing, noun Words nearby quantum computer Quantrill, quantum, quantum bit, quantum chemistry, quantum chromodynamics, quantum computer, quantum cryptography, quantum efficiency, quantum electrodynamics, quantum electronics, quantum field theory Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for quantum computer 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 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for quantum computer 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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