Database item [dutch_1]
| Model |
ARRA - 1952 | | Fabrikant |
Mathematisch Centrum | | Ontwerper |
Carel Schouten, Bram Loopstra | | Foto index |
6680 | | Bouwjaar |
1952 | | Acronym |
Automatische Relais Rekenmachine Amsterdam | | Woordlengte |
34 bits | | Technologie |
Relais, memory 1024 words | | Remarks |
Onbetrouwbaar, heeft 1x gewerkt bij de opening | | Bron |
https://www.cs.utexas.edu/~EWD/MCReps/MR12.PDF
https://www.youtube.com/watch?v=j-J3BViim0c (with interview)
https://web.archive.org/web/20190216110959/http://www-set.win.tue.nl/UnsungHeroes/heroes/scholten-loopstra.html
| | Aantal gemaakt |
1 | | Gebruiksperiode |
1952 | | Locatie |
2 Siemens relais remaining at CWI | | Beschrijving |
ARRA is developed at MC in Amsterdam
by Carel Schouten and Bram Loopstra in a 4 year period under supervision of van Wijngaarden to facilitate mathematical calculations. It was relais based. |
| |
