<s>
CER	B-Device
(	O
Serbian	O
:	O
Цифарски	O
Електронски	O
Рачунар	O
/	O
Cifarski	B-Device
Elektronski	I-Device
Računar	I-Device
-	O
Digital	O
Electronic	O
Computer	O
)	O
model	O
20	O
was	O
an	O
early	O
digital	O
computer	O
developed	O
by	O
Mihajlo	O
Pupin	O
Institute	O
(	O
Serbia	O
)	O
.	O
</s>
