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A ternary computer also called trinary computer is a computer that uses ternary logic three possible values and trits instead of the more common binary logic two possible values and bits in its calculations. One early calculating machine, built by Thomas Fowler entirely from wood inoperated in balanced ternary.
Balanced ternary can express negative values as easily as positive ones, without the need for a leading negative sign as with decimal numbers. These advantages make some calculations more efficient in ternary than binary. I often reflect that had the Ternary instead of the denary Notation been adopted in the Infancy of Society, machines something like the present would long ere this have been common, as the transition from mental to mechanical calculation would have been so very obvious bolagets binara alternativas simple.
With the advent of mass-produced binary components for computers, ternary computers have diminished in significance. However, Donald Knuth argues that they will be brought back into development in the future to take advantage of ternary logic's elegance and efficiency.
IBM also reports infrequently on ternary computing topics in its papersbut it bolagets binara alternativas not actively engaged in it. The Bolagets binara alternativas junction has been proposed as a balanced ternary memory cell, using circulating superconducting currents, either clockwise, counterclockwise, or off.
Ina quantum computer was proposed which uses a quantum ternary state, a qutritbolagets binara alternativas than the typical qubit. Heinlein 's novel Time Enough for Lovethe bolagets binara alternativas computers of Secundus, the planet on which part of the framing story is set, including Minerva, use an unbalanced ternary system. Minerva, in reporting a calculation result, says "three hundred forty one thousand six hundred forty Virtual Adepts in the roleplaying game Mage: The Ascension use ternary computers.
In Howard Bolagets binara alternativas 's webcomic Schlock Mercenarybolagets binara alternativas modern computer is a ternary computer. The Conjoiners, in Alastair Reynolds ' Revelation Space series, use ternary logic to program their computers and nanotechnology devices.
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