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Há 1 dia · Herman Hollerith invented punched cards to process the 1890 U.S. census. Punched cards had a successful 65-year product life until they were largely replaced by magnetic tapes in the 1950s. In the mid-20 th century, data was typically stored on a magnetic tape and dedicated to a specific application.
Há 3 dias · In the late 1880s, the American Herman Hollerith invented data storage on punched cards that could then be read by a machine. To process these punched cards, he invented the tabulator and the keypunch machine.
Há 1 dia · In the 1880s, Herman Hollerith developed electromechanical tabulating and calculating devices using punch cards and unit record equipment, which became widespread in business and government. Meanwhile, various analog computer systems used electrical, mechanical, or hydraulic systems to model problems and calculate answers.
Há 21 horas · Se formos um pouco mais “livres” nesta busca, chegaríamos ainda à máquina de tabular de Herman Hollerith de 1889, um dos primeiros exemplos de automatização de leitura de dados, claramente inspirado no sistema inventado por Joseph Marie Jacquard para controlar operações de tecelagem.
Há 2 dias · American computer engineering milestones can be traced back to the start, in the 1800s, when they were first used for calculating numbers at incredible speeds. For instance, Herman Hollerith, the grandfather of IBM, designed a punch-card system to help calculate the 1890 U.S. Census (based on the punch card design of a French fabric designer).
Há 2 dias · Alan Mathison Turing OBE FRS ( / ˈtjʊərɪŋ /; 23 June 1912 – 7 June 1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher and theoretical biologist. [5] Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and ...
Há 5 dias · Herman Hollerith invented IBM. Born in 1860, Hollerith was the son of intellectual German parents who brought their proud and austere German heritage with them when they settled in Buffalo....
