CER ( sr, Цифарски Електронски Рачунар – ''Digital Electronic Computer'') model 22 is a
transistor
upright=1.4, gate (G), body (B), source (S) and drain (D) terminals. The gate is separated from the body by an insulating layer (pink).
A transistor is a semiconductor device used to Electronic amplifier, amplify or electronic switch, switch e ...
based
computer
A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as C ...
developed by
Mihajlo Pupin Institute
Mihajlo Pupin Institute ( sr, Институт Михајло Пупин, Institut Mihajlo Pupin) is an institute based in Belgrade, Serbia. It is named after Mihajlo Idvorski Pupin and is part of the University of Belgrade.
It is notable for ma ...
(
Serbia
Serbia (, ; Serbian language, Serbian: , , ), officially the Republic of Serbia (Serbian language, Serbian: , , ), is a landlocked country in Southeast Europe, Southeastern and Central Europe, situated at the crossroads of the Pannonian Bas ...
) in 1967-1968. It was originally intended for
bank
A bank is a financial institution that accepts deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital markets.
Because ...
ing applications and was used for data processing and management planning in banks, trade and utility companies in Belgrade. Three CER-22 computers were purchased by Beobanka,
Jugopetrol and BVK–Belgrade companies. (For more details see: Ref.# 1, #2, #3, and #4).
The principal designers and chiefs of the project teams were:
*Dušan Hristović, Svetomir Ojdanić, Veselin Potić, Radivoje Ilić et al. for Beobanka;
*Dr Sc. Miroslav Jocković, Branimir Leposavic, Michael Savikin, Ljubivoje Marković et al., for Jugopetrol co.;
*Vladislav Paunović, Miloš Marjanović, Petar Vrbavac, Dragiša Tinković et al. for BVK-Belgrade.
Technical characteristics of the CER-22
* Technology: IC (MSI), transistor and diode logic circuits (See also: Ref. #2, #5, #6).
* Printed circuits boards with the ribbon connectors;
* CPU performance: the 16-cycle instructions (10 microseconds);
* Magnetic core memory: 32 KB capacity (memory cycle time of 2 microseconds);
* Disk storage CDC-854 (max 8 disk units);
* Card reader and puncher: 300 cards/min and 150 cards/min;
* Paper tape reader and puncher, type "Facit": 1000 characters/s and 150 characters/s;
* Parallel Line Printer, type DP MZ-4: 128 characters/line, 600 lines/min.
See also
*
CER Computers
*
CER-10
*
Mihajlo Pupin Institute
Mihajlo Pupin Institute ( sr, Институт Михајло Пупин, Institut Mihajlo Pupin) is an institute based in Belgrade, Serbia. It is named after Mihajlo Idvorski Pupin and is part of the University of Belgrade.
It is notable for ma ...
*
History of computer hardware in the SFRY
References
# Electronic Computer System CER-22 (Dušan Hristović, Ljubivoje Marković, Slavoljub Rajić), Proc. of IV Symp. Informatika-68, pp. 271–278, Ljubljana-Bled, October 1968; In Serbian.
# Computer CER-22 (Dušan Hristović), HPEEA journal, No 10, pp. 5–12, Belgrade October 1969; In Serbian.
# Digital electronic computers CER (M. Momčilović, D. Hristović, et al.), Proc. of the seminar Mehanizacija i AOP u preduzećima, pp. 38–58, Nova Varoš, May 22, 1969; In Serbian.
# “TIM Computers” (D. Milićević, D. Hristović Ed.), pp. 165–166, Naucna knjiga, Belgrade 1990;
# Review and Analysis of the computers CER (Vladislav Paunović, Dušan Hristović), Proc. of the 44. Conf. ETRAN-2000, vol.3, pp. 79–82, Soko Banja, June 26, 2000. In Serbian.
# Computing technology in Serbia, by Dusan Hristovic, PHLOGISTON journal, No 18/19, pp. 89–105, Museum MNT-SANU, Belgrade 2010/2011. In Serbian.
External links
CER-22- manufacturer's web-site.
CER computers
Transistorized computers
Mihajlo Pupin Institute
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