Storia del Computer

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immagini - Uno strumento nuovo: l'elaboratore elettronico

'New York World', 1 marzo 1930. Nel 1930 viene consegnata alla Columbia University una tabulatrice contabile IBM appositamente modificata per svolgere i complessi calcoli matematici necessari ad analizzare i risultati di test scolastici e psicologici di massa. Dotata di speciali circuiti veloci e capace di trasferire automaticamente i dati da un registro all'altro, la macchina anticipa alcune caratteristiche tipiche degli elaboratori elettronici.

Super computing Machines Shown

Columbia Experts build device equal to 100 mathematician

One does 12 problems

Another determines frequency and one computes squares

New statistical machines with the mental power of 100 skilled mathematicians in solving even highly complex algebraic problems were demostrated yesterday for the first time before a group of psychologists, educational research workers and statisticians in the laboratories of the Columbia University Statistical Bureau in Hamilton Hall.

One of the tabulators exhibited can work out and print the results of as many as twelve difficult problems in just a single rapid operation. It is designed to handle diffrences and reckon powers of numbers up to the tenth, whereas such machines hiterto have been able to compute only the second power of numbers.