Editing BESM (section)

{{short description|Series of Soviet mainframe computers built in 1950–60s}}
{{About|the Soviet computer|}}
{{Use dmy dates|date=October 2024}}

'''BESM''' (БЭСМ) is the series of Soviet [[Mainframe computer|mainframe]] computers built in 1950–60s. The name is an acronym for "Bolshaya<ref>{{cite book
 |author=Н. П. Бусленко |author2=В. Н. Бусленко
|script-title=ru:Беседы о поколениях ЭВМ
|year=1977
|publisher=[[Молодая гвардия]]
|page=240
|series=Эврика
}}</ref> (or Bystrodeystvuyushchaya) <ref>{{Cite book |last=Metropolis |first=Nicholas |title=A History of Computing in the Twentieth Century |publisher=Elsevier Inc, Academic Press |year=1980 |isbn=978-0-12-491650-0 |page=152}}</ref> Elektronno-schotnaya Mashina" ("Большая электронно-счётная машина" or "Быстродействующая электронно-счётная машина"), meaning "Big Electronic Computing Machine" or "High-Speed Electronic Computing Machine".  It was designed at the [[Lebedev Institute of Precision Mechanics and Computer Engineering|Institute of Precision Mechanics and Computer Engineering]]