E 1b

Designed by VÚMS.It was manufactured from 1962 to 1963 (development 1959-1961) by Zbrojovka Brno.

This topic contains doubts or inaccuracies that need to be corrected. More information follows below.

Parts of this topic may be machine translated.

Compared to its predecessor, the E 1b computer was equipped with a drum memory with a capacity of 1,000 words. The execution time of the operations varied between 180 and 1200 msec, it was able to work with decimal numbers in floating point format.

The computer contained approximately 1,000 four-contact relays and roughly 300 tubes. It was commissioned in 1962.

Computer E 1b was also acquired by BUT, and was in operation until 1966.

Inaccuracies/doubts related to the topic

Is E 1a a precursor or not?

References

• Černý V., Pokorný Z., Seidl L.K.: Projekt počítače E 1b. Výzkumná zpráva VÚMS č. 137. (1959)
• Vlček J., Pokorná O., Nováková M., Černý V.: Operační vlastnosti počítače Elb
• Výzkumná zpráva č. 148. (1960)
• Klapka, J: Assembler for Czechoslovak E1b automatic computer. Information Processing
• Machines XX, Praha 1964, s.219-230
• https://www.fit.vut.cz/fit/history86/.cs (WebArchive)