Question

What machine, called the world's first working programmable, fully automatic computing machine, was completed and demonstrated in 1941 and destroyed in 1943?

Answer 1

Z3, designed by Konrad Zuse
The Z3 was built with 2,000 relays. It had a clock frequency of 5 to 10 Hz, a word length of 22 bits, performed calculations in full binary floating point arithmetic and read programs from a punched film. It was destroyed during an Allied bombardment of Berlin