Universidad Politécnica de Madrid | UPM
William Hewlett and David Packard found the Hewlett-Packard (HP) company in Palo Alto, California.
Konrad Zuse completes construction of the Z1 binary mechanical computer in Germany.
John Vincent Atanasoff and his student Clifford E. Berry build a prototype digital electronic computer using binary arithmetic.
Konrad Zuse completes the construction of the Z2 electromechanical computer based on telephone relays.
Konrad Zuse builds his Z3 computer in Germany. Z3 was the first electromechanical digital computer to be controlled by a program.