Toffoli Gate
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High Quality Content by WIKIPEDIA articles! In computer science, the Toffoli gate (also CCNOT gate), invented by Tommaso Toffoli, is a universal reversible logic gate, which means that any reversible circuit can be constructed from Toffoli gates. It is also known as the "controlled-controlled-not" gate, which describes its action.Reversible gates have been studied since the 1960s. The original motivation was that reversible gates dissipate less heat (or, in principle, no heat). In a normal gate, input states are lost, since less information is present in the output than was present at the input. This loss of information loses energy to the surrounding area as heat, because of thermodynamic entropy. Another way to understand this is that charges on a circuit are grounded and thus flow away, taking a small charge of energy with them when they change state. A reversible gate only moves the states around, and since no information is lost, energy is conserved.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786131448591
- Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
- EAN 9786131448591
- Titel Toffoli Gate
- Herausgeber Betascript Publishing
- Anzahl Seiten 72
- Genre Sprach- und Literaturwissenschaften
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