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These microcircuits began a kind of computers called "of third generation", which predominated from the 1960's to the 1970's. 1962: magnetic disk for memory storage. Most advanced computers built since the mid 1940's are fully electronic, although purely mechanical or electro-mechanical counters or calculators were built until the 1970's. 1847: The Mathematical Analysis of Logic, essay by George Boole. It was the second important application of a computer in History: the North American census of 1910. The machine was in service until the 1940's. 1914: machine to play the chess end game of King and Castle against King, by Leonardo Torres y Quevedo. This kind of computers are called "of first generation", which predominated from the 1940's to the 1950's. John Von Neumann developed between 1945 and 1950 the theory of logic circuits (also called "Von Neumann Architecture"), in collaboration with Burks and Goldstine. This kind of computers are called "of second generation", which predominated from the 1950's to the 1960's. 1951: the contact point transresistor of Bardeen and Brattain is modified by William Shockley (Bell Telephone) and named junction transistor, made of germanium. Languages used for CGI, as well as the ASP, Java or i-HTML languages, are examples of this approach.

The American National Standards Institute introduced in 1974 a dialect called Cobol ANSI 74, and another dialect was introduced in 1980 with the name of Cobol 80. In spite of these few dialects, Cobol has always been one of the most unified of all programming languages, and can be easily learnt by those acquainted with the daily routine in offices and archives. About 1945: As We May Think, essay by Vannevar Bush (Massachussetts Institute of Technology, Director of the United States Office of Scientific Research and Development), describing a computer aided hyper text system that he named "Memex", able to find linked information and to insert easily new information by its different users. Universal Robots. 1930: Differential Analyser, analogue computer for solving equations, using numbering base of ten, by Vannevar Bush (Massachussetts Institute of Technology). 1960-1962: Space War, action game by Stephen Slug Russell, with Wayne Witanen and Martin Graetz, based on the Minskytron action game of Marvin Minsky, both programmes were created in the PDP-1 minicomputer of the Massachussetts Institute of Technology. 1965: computer mouse, invented by Douglas Engelbart (Stanford Research Institute, Director of the Bootstrap Institute). 1961: field effect transistor by Steven Hofstein, that made possible the development of MOS transistor (Metallic Oxid Semiconductor) by R. C. A. July 1961: essay on the theory of packet interchange for computer networks, by Leonard Kleinrock (Massachussets Institute of Technology).

Network measuring system falls under the responsibility of Leonard Kleinrock and his group of the University of California at Los Angeles. 1936: On Computable Numbers, essay that develops the concept of stored programme (as opposed to programming by hardware connections), by Alan Mathison Turing (-1954) (Cambridge University). John Mc Carthy (Stanford University), presented the Lisp programming language and the Mc Carthy Test for measuring Artificial Intelligence (playing games, following conversation, receiving information or performing other activities through a terminal). 1930: following the ideas that had been explained by Wilhelm Gottfried Von Leibnitz in 1676-1679, Couffignal suggests that calculator machines (or computers) should use a numbering base of two instead of using a numbering base of ten. 1671-1673: theory of calculator machine for adding, substracting, multiplying or dividing, using numbering base of ten, by Wilhelm Gottfried Von Leibnitz. 1821-1834: Differential Machine, logarithmic calculator machine for polynomes of up to eight terms, using numbering base of ten, by Charles Babbage, according to his own theory of 1812. Tentatively built between 1821-1834 but never finished, it exists a modified version built between 1840-1854 and a perfected version built between 1859-1860, both by Pehr Georg Scheutz.

1859-1860: Perfected version of the Differential Machine logarithmic calculator, by Pehr Georg Scheutz (based on the never finished machine that had been projected by Charles Babbage). In 1867 Charles Sanders Peirce suggested that the system could be applied to electric circuits, while Claude Shannon explained in 1936 how this application could be done. All Core branded processors had two processing cores, the Core Solos had one core disabled, while the Core Duos used both processors. 1971: Project Gutenberg. In the course of time it would become the biggest library in the Internet, with over fifty thousand books in 2016 (most of them in English, although over forty languages are represented with at least one book). The show guaranteed the inter-operability of computers accessing Internet, from no matter which one of the brands present. The Internet, however, is not the only network of computers that exists or has existed. However, Finger can still be seen in Unics Work Stations. Denim Tears was founded by Tremaine Emory, a designer known for his work in fashion and his commitment to social commentary through his designs. Still today they can be found at good stationery shops, but in the same fashion as with logarithmic tables, calculation rulers gradually fell out of favour in the 1970's, with the advent of electronic calculators.

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