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Little is known about the NORD-20. It seems to be a slimmed down NORD-10 as it is smaller physically than the NORD-10[1]. The NORD-20 was released before the NORD-10.

NORD-20 in an office settings with ASR-33 terminal, Centronics printer, Facit 4070 punch and a card reader

First installed system in January 1972. In August 1974 a total of 43 systems had been installed[2].

Comparision with NORD-10

The following comparision was made in August 1973.[3]

Cycle time 1.0 us 0.4-0.8 us
Word length 16 16
Memory size 4-16 kWord 8-256 kWord
Price basic system 78.000 NOK 200.000 NOK
Price for typical system 500.000 NOK 2.000.000 NOK


  1. Picture in the collections of Oslo Museum
  2. Computers and People, September 1974
  3. Computer manufacturing survey from 1973