Biography of herman hollerith maquina
John presper eckert.
Tabulating machine
Late 19th-century machine for summarizing information stored on punch cards
The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards.
Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census.
Biography of herman hollerith maquina
Later models were widely used for business applications such as accounting and inventory control. It spawned a class of machines, known as unit record equipment, and the data processing industry.
The term "Super Computing" was used by the New York World newspaper in 1931 to refer to a large custom-built tabulator that IBM made for Columbia University.[1]
1890 census
The 1880 census had taken eight years to process.[2] Since the U.S.
Constitution mandates a census every ten years to apportion both congressional representatives and direct taxes among the states, a combination of larger staff and faster-recording systems was requ