In mid-1936 and 1938, German Konrad Zuse created the Z1 in his parents’ living room. It was the first really functional modern computer and also considered the first electromechanical binary programmable computer.
The concept of first modern computer
In 1936, Alan Turing first proposed the Turing machine and became the basis for computing and computers. The Turing machine was able to print symbols in a manner that simulates a person following a sequence of logical instructions.
The first electric programmable computer
Tommy Flowers developed the first electric programmable computer that was known as Colossus, and in 1943, it was demonstrated for the first time. It was developed to help for reading encrypted German messages of the British code breakers.