Z4
- Date
- 1942-1945 · confidence high
- Place
- Göttingen, Germany
- Credited to
- Konrad Zuse
- Field
- Knowledge & symbols
What it is
The first commercial digital computer and the oldest surviving programmable computer, built by Konrad Zuse based on the Z3 design; it combined mechanical memory with electromechanical logic and was completed in Göttingen in April 1945.
What it led to
- the first digital computer ever sold commercially (to ETH Zurich)
- use at ETH Zurich from 1950 to 1955
- direct inspiration for the ERMETH, the first Swiss computer
- the oldest surviving programmable computer today