Z2

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

1

In collections

Nobody has pulled it yet.

What Wikipedia says

The Z2 was an electromechanical (mechanical and relay-based) digital computer that was completed by Konrad Zuse in 1940. It was an improvement on the Z1 Zuse had built in his parents' home, which used the same mechanical memory.

Excerpt from the Wikipedia article “Z2 (computer)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Konrad Zuse, Public domain, via Wikimedia Commons.