Electromechanical calculator

The electromechanical calculator was invented, which used punch cards and electricity to efficiently handle and analyze vast amounts of census data. This invention led to the creation of IBM, impacting data processing significantly.
 Herman Hollerith United States 1880 Electromechanical calculator

The electromechanical calculator was invented, which used punch cards and electricity to efficiently handle and analyze vast amounts of census data. This invention led to the creation of IBM, impacting data processing significantly.