GENERAL KNOWLEDGE

Detailed explanation-1: -The Z3 was a German electromechanical computer designed by Konrad Zuse in 1938, and completed in 1941. It was the world’s first working programmable, fully automatic digital computer.

Detailed explanation-2: -The “Z1” was the first freely programmable computer in the world which used Boolean logic and binary floating-point numbers, however it was unreliable in operation. It was completed in 1938 and financed completely from private funds.