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ARRA (computer)

 

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ARRA (computer)



 
 
The ARRA (for "Automatische Relais Rekenmachine Amsterdam.") was the first Dutch computer, and was built from relay
Relay

A relay is an electrical switch that opens and closes under the control of another electrical circuit. In the original form, the switch is operated by an magnet to open or close one or many sets of contacts....
s for the Dutch Mathematical Centre (Dutch: Mathematisch Centrum), which later became the "National Research Institute for Mathematics and Computer Science
National Research Institute for Mathematics and Computer Science

The National Research Institute for Mathematics and Computer Science is one of the leading European research centers in the field of mathematics and theoretical computer science....
".

It was designed and built by Carel Scholten and Bram Loopstra, and was finished in 1952. Because of reliability problems it was soon taken out of commission, and "updated" to the ARRA II, which actually was a completely new design.








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The ARRA (for "Automatische Relais Rekenmachine Amsterdam.") was the first Dutch computer, and was built from relay
Relay

A relay is an electrical switch that opens and closes under the control of another electrical circuit. In the original form, the switch is operated by an magnet to open or close one or many sets of contacts....
s for the Dutch Mathematical Centre (Dutch: Mathematisch Centrum), which later became the "National Research Institute for Mathematics and Computer Science
National Research Institute for Mathematics and Computer Science

The National Research Institute for Mathematics and Computer Science is one of the leading European research centers in the field of mathematics and theoretical computer science....
".

It was designed and built by Carel Scholten and Bram Loopstra, and was finished in 1952. Because of reliability problems it was soon taken out of commission, and "updated" to the ARRA II, which actually was a completely new design.

See also

Other computers designed and built at the Mathematical Centre:
  • ARRA II (computer)
  • FERTA (computer)
  • ARMAC (computer)


Other very early Dutch computers:
  • P3 (computer)
  • PASCAL (computer)
  • PETER (computer)
  • PTERA (computer)
  • STEVIN (computer)
  • Testudo (computer)
  • X1 (computer)
    Electrologica X1

    The Electrologica X1 was a digital computer designed and manufactured in the Netherlands from 1958 to 1965. About thirty were produced and sold in the Netherlands and abroad....
  • X2 (computer)
  • X4 (computer)
  • X8 (computer)
    Electrologica X8

    The Electrologica X8 was a digital computer designed as a successor to the Electrologica X1 and manufactured in the Netherlands by Electrologica NV from 1965 onwards....
  • ZEBRA (computer)
    ZEBRA (computer)

    The ZEBRA was one of the first computers to be designed in the Netherlands, and one of the first Dutch computers to be commercially available....
  • ZERO (computer)


nl:ARRA I