Tabulating machine used for

          Herman hollerith invented a machine called!

          Herman Hollerith

          American statistician and inventor

          For the American Episcopal bishop, see Herman Hollerith IV.

          Herman Hollerith (February 29, 1860 – November 17, 1929) was a German-American statistician, inventor, and businessman who developed an electromechanical tabulating machine for punched cards to assist in summarizing information and, later, in accounting.

          When was tabulating machine invented

        1. When was tabulating machine invented
        2. Short note on herman hollerith
        3. Herman hollerith invented a machine called
        4. Tabulating machine was first used for
        5. Herman hollerith invented machine in 1890

          6. His invention of the punched card tabulating machine, patented in 1884, marks the beginning of the era of mechanized binary code and semiautomatic data processing systems, and his concept dominated that landscape for nearly a century.[1][2][3]

          Hollerith founded a company that was amalgamated in 1911 with several other companies to form the Computing-Tabulating-Recording Company.

          In 1924, the company was renamed "International Business Machines" (IBM) and became one of the largest and most successful companies of the 20th century. Hollerith is regarded as one of the seminal figures in t