CER-20

Image:Cer20.jpg

CER (Serbian: Цифарски Електронски Рачунар / Cifarski Elektronski Računar - Digital Electronic Computer) model 20 was an early digital computer developed by Mihajlo Pupin Institute (Serbia). It was designed as a functioning prototype of an "electronic bookkeeping machine".{{Cite web |last=Miljković |first=Marko |date=November 17, 2017 |title=CER Computers as Weapons of Mass Disruption: The Yugoslav Computer Industry in the 1960s |url=http://udi.rs/wp-content/uploads/2020/01/05.-m_miljkovic_2017_2.pdf |access-date=January 11, 2023}} The first prototype was planned for 1964.