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Setun () was a computer developed in 1958 at Moscow State University. It was built under the leadership of Sergei Sobolev and Nikolay Brusentsov. It was the first modern ternary computer, using the balanced ternary numeral system and three-valued ternary logic instead of the two-valued binary logic prevalent in other computers.

Key facts

Information appliance.name
Setun
Information appliance.image
File:Setun computer, from Sputnik in 1959.png
Information appliance.caption
A photo of a Setun computer in 1959.
Information appliance.developer
Sergei Sobolev and Nikolay Brusentsov at Moscow State University
Information appliance.manufacturer
Kazan Mathematical plant
Information appliance.lifespan
1959–1965
Information appliance.units_sold
50
Information appliance.successor
Setun-70

via Wikipedia infobox

Wikidata facts

Image
Setun computer, from Sputnik in 1959.png
Show 2 more facts
title
Сетунь
publication date
1959-00-00
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via Wikidata · CC0

~11 min read

Article

13 sections
Contents
  • Overview
  • History
  • Initiation of the project
  • Setun computer
  • Setun-70 computer
  • End of the Setun project
  • Adoption and application
  • Critics
  • Ternary compared to binary
  • Advantages
  • Disadvantages
  • See also
  • References

Setun () was a computer developed in 1958 at Moscow State University. It was built under the leadership of Sergei Sobolev and Nikolay Brusentsov. It was the first modern ternary computer, using the balanced ternary numeral system and three-valued ternary logic instead of the two-valued binary logic prevalent in other computers.

==Overview== The computer was built to fulfill the needs of Moscow State University. It was manufactured at the Kazan Mathematical plant. Fifty computers were built from 1959 until 1965, when production was halted. The characteristic operating memory consisted of 81 words of memory, each word composed of 18 trits (ternary digits) with additional 1944 words on magnetic drum (total of about 7 KB). Between 1965 and 1970, a regular binary computer was used at Moscow State University to replace it. Although this replacement binary computer performed equally well, it was 2.5 times the cost of the Setun.

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