WebAug 12, 2015 · The tabulating machine was an electromechanical machine designed to assist in summarizing information and, later, accounting information. The machines used punched or perforated cards to add numbers coded on those cards. A typical punched card is shown below. Invented by Hermann Hollerith, the machine was developed to help … http://scihi.org/herman-hollerith-tabulator-punchcard/

Herman Hollerith - Columbia University

WebThe tabulating machine was created in 1890 by the American inventor Herman Hollerith in order to tabulate the 1890 census in the United States, in which more than 60 million people were counted. This invention was … WebOn July 6, 1911, Hollerith agreed to sell his Tabulating Machine Company to financier Charles Flint for US$2,312,100, and the company became part of Flint’s Computing … sketchup surface pen

History of IBM: Timeline and Facts - TheStreet

WebBrief History of Computer Hardware Computing history is closely associated with census data processing. The U.S. Census of 1890 was the stimulus for the invention and introduction of Hollerith's electro-mechanical data processing and sorting devices using punch cards: the first major statistical machines to be built and put into large-scale use. WebDec 9, 2011 · Although the tabulating machine looks more like an ancient relic than a modern computer, its invention proved to be pivotal in the … WebMar 9, 2009 · During the 1880s, the engineer Herman Hollerith devised a set of machines for compiling data from the United States Census. Hollerith's tabulating system included a punch for entering data about each person onto a blank card, a tabulator for reading the cards and summing up information, and a sorting box for sorting the cards for further … sketchup surface area