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Evolution of ICT, Language and draws rock carved, alphabets, paper…
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Language and draws rock carved, alphabets, paper development, scrolls, numbers, abacus
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Printing press, pascalina, differential machine, heliograms, letterpress.
The printing press was invented around 1450 by Johannes Gutenberg.
The mechanical calculator was presented in 1643 by Blaise Pascal.
Differential machine by Charles Babagge.
Heliograms were the first photographs obtained by the French Nicéphore Niepce in 1826.
Letterpress were petented for William Austin in 1829.
Telegraph, morse code, telephone, radio, television, mark 1
Telegraph: (Claude Chappe, Samuel Soemmering, Harrison Dyar)
Morse Code: Samuel Morse in 1835. Telephone:Alexander Graham in 1876.
Radio:Gugliemo Marconi in 1894
Television: BBC in 1927, NBC in USA in 1930.
Mark 1: Harvard University in 1940
1st, 2nd, 3rd, 4th and 5th generation of computers
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