The Z4 computer was the world's second commercial digital computer, designed by German engineer Konrad Zuse and built by his company Zuse Apparatebau in 1944.
It was delivered to ETH Zürich, Switzerland, in September 1950. In 1954, the Z4 was transferred to the Institut Franco-Allemand des Recherches de St. Louis in France, where it was in use until 1959. Today, the Z4 is on display in the Deutsches Museum in Munich.
The Z4 inspired the ETH to bu...
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The Z4 computer was the world's second commercial digital computer, designed by German engineer Konrad Zuse and built by his company Zuse Apparatebau in 1944.
It was delivered to ETH Zürich, Switzerland, in September 1950. In 1954, the Z4 was transferred to the Institut Franco-Allemand des Recherches de St. Louis in France, where it was in use until 1959. Today, the Z4 is on display in the Deutsches Museum in Munich.
The Z4 inspired the ETH to build its own computer (mainly by Ambrosius P. Speiser), which was called ERMETH, an acronym for "Elektronische Rechenmaschine ETH" (i.e. Electronic Computing Machine ETH).
In 1950/1951 the Z4 was the only working digital computer in continental Europe, and the second digital computer in the world to be sold, beating the Ferranti Mark 1 by five months and the UNIVAC I by ten months, but in turn being beaten by the BINAC (although that never worked at the customer's site). Other computers, all numbered with a leading Z, were built by Zuse and his...
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