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Quantum-dot Cellular Automata
<electronics, computing> (QCA) Quantum logic circuits created
by orientating pairs of quantum cells so that their relative
positions determine their affect on each other. This is
functionally analogous but structurally different from how
individual gates in integrated circuits are combined to
create logical and memory circuitry.
The advantages of quantum-dot cellular automata over
conventional circuitry are extremely small size/high density,
low power requirements, and potentially high processing
speeds. Disadvantages (in 2000) are difficulty of fabrication
and low yield.
See also: quantum cell wire.
Home.
http://www.mitre.org/research/nanotech/quantum_dot_cell.html.
["Quantum Dot Heterostructures", D. Bimberg, et al, John Wiley
& Sons Ltd., Dec 1998].
(2001-07-17)
Try this search on OneLook / Google
Nearby terms:
quantum computer « quantum computing « quantum dot « Quantum-dot Cellular Automata » quarter » Quarter Inch Cartridge » Quay Financial Software
This article was derived from the Free Online Dictionary of Computers and is available under ther terms of the GNU Free Documentation License.
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