The Z22 was the seventh computer model developed by Konrad Zuse, one of the early commercial computers, with its design finished around 1955. The jump from the Z11 to the Z22 came from adopting vacuum tubes in place of the electromechanical relay systems used in Zuse's earlier models; altogether 55 Z22 computers were produced by Zuse KG, the first machines shipped to customers in Berlin and Aachen.
Facts
SignificanceBy the end of 1958 the ZMMD group had built a working ALGOL 58 compiler for the Z22, one of the earliest working compilers for the language. 1 Sources
1. Wikipedia: Z22 (computer)
Wikimedia FoundationLead paragraph, sentence on the design being finished about 1955
One of the early commercial computers, the Z22's design was finished about 1955.
Second paragraph, sentence on the ZMMD group 1958 ALGOL 58 compiler
By the end of 1958 the ZMMD-group had built a working ALGOL 58 compiler for the Z22 computer.
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