Zuse Z3
device · 1941 · Electric age
The first working programmable computer, built from relays.
What it is made of
- Relay — has part. 2,600 relays.
Principles and materials it uses
- Binary number system — uses. Binary floating-point arithmetic.
- Program control of a machine — uses. The program was on punched cinema film.
- Copper — is made of. The relay conductors are copper.
What it is a kind of
- Computer — is a kind of. A programmable computer.