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Francis Bacon invents the Baconian Cipher, a device that used A's and B's to encode messages.
https://en.wikipedia.org/wiki/Bacon%27s_cipher -
The word "computer" was first recorded as being used in 1613 and was originally used to describe a person who performed calculations or computations. The definition of a computer remained the same until the end of the 19th century when it began referring to a machine that performed calculations.
http://www.computerhope.com/history/1600.htm -
John Napier introduced a system called "Napiers Bones," made from horn, bone or ivory the device allowed the capability of multiplying by adding numbers and dividing by subtracting.
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Frances Blaise Pascal invents a machine, called the Pascaline, that can add, subtract, and carry between digits.
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An early form of punch cards begin to be used in textile looms.
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The first telegraph is built.
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Claude Chappe invents a semaphore line, a method of communicating over long distances.
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Frances Joseph-Marie Jacquard completes his fully automated loom that is programmed by punched cards.
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Charles Xavier Thomas de Colmar creates the "Arithometer", the first reliable, useful, and commercially successful calculating machine. The calculator could not only add but also subtract, multiply, and divide.
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Baron Jons Jackob Berzelius discovers silicon (Si), which today is the basic component of an integrated circuit (IC).
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The earliest known surviving photograph is taken by Joseph Nicéphore Niépce in 1825 of a view of a courtyard from his window.
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Harrison Dyar becomes the first person in the United States to invent a Telegraph type device.
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S. Korsakov uses punch cards for the first time to store and search for information.
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Samuel Morse and Alfred Vail begin developing a code (later called Morse code) that used different numbers to represent the letters of the English alphabet and the ten digits.
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The phonautograph (phonograph) is patented March 25, 1857 by Frenchman Édouard-Léon Scott de Martinville. The device was capable of transcribing sound to a medium.
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The first successful Trans-Atlantic cable is laid from Ireland to Newfoundland.
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Scottish-Canadian-American Alexander Graham Bell is often credited as inventing the telephone makes the first call March 10, 1876.
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Thomas Edison demos incandescent electric light bulb that lasts 13 1/2 hours October 21, 1879.
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American Thomas Edison discovers the Edison effect, where an electric current flows through a vacuum.
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On May 1, 1893 Nikola Tesla helps power the worlds first fair powered by AC electricity in Chicago.
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Herman Hollerith starts the Tabulating Machine Company, the company later becomes the well-known computer company IBM (International Business Machines).
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Nikola Tesla patents electrical logic circuits called "gates" or "switches".
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Lee De Frost files patent #879,532 on January 29, 1907 for the vacuum tube triode. This is later used as an electronic switch in the first electronic computer.
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Philo Taylor Farnsworth becomes the first person to successfully transmit a TV signal on September 7, 1927.
