22bits
relays
There is Z1, Z2, Z3 and Z4. It depends on what computer your looking for.
It used a semi-logarithm representation of numbers.
The Z3 was invented By Konrad Zuse in 1941. A replica was made in the 1960's however when it was destroyed in 1943 due to WWII.
The first computer was German and was called the Zuse Z3. It was first operational in May of 1941.
Either Zuse Z3 or Harvard Mark I.
Z3, an electromechanical programmable computer was invented in Berlin. ENIAC, the first general-purpose electronic computer was invented at the University of Pennsylvania.
The Z3 was a computer from the 40s, not the bmw like the person before this answered. I have found that it was a simple calculator so I would believe that it could add, subtract, multiply, and divide.
Perform engineering calculations. Konrad Zuse was a civil engineer.
Konrad Zuse created the modern day computer. He called it the Z3. He made Z1, Z2, and his favorite Z3. He made many more, up to 64 computers.
No it does not still exist , the original was destroyed during an Allied bombardment in 1943.