A quantum bit or “qubit” can represent “1” AND “0” at the same time, unlike the classical processor’s. the bit is binary and point-like but the qubit is “space” and “fuzzy” this allows much more information to be processed in parallel, taking advantage of the property of super-positions.
Source:
[1] Alfred, Jay. “Is the Human Brain a Quantum Computer?” EzineArticles, EzineArticles, 29 Nov. 2020, ezinearticles.com/?Is-the-Human-Brain-a-Quantum-Computer?&id=10386380. Accessed 6 Jan. 2021.
[2] Image by Speedy McVroom from Pixabay