What Does Hollerith Machine Mean?
A Hollerith machine is a specific type of electromechanical design that served as an information-processing resource throughout the early 20th century. The machine used a system of electrical and mechanical signals, and a set of wires positioned over pools of mercury, to incrementally count data on paper punch cards.
Techopedia Explains Hollerith Machine
Herman Hollerith developed the tabulating machine in the late 1800s, with a patent issued in 1889. He started the Tabulating Machine Company in 1911.