Home arrow Library arrow History of Computers


History of Computers
30,000 BC to 20,000 BC Carving notches into bones PDF Print E-mail
Read more...
 
1900 BC to 1800 BC The first place-value number system PDF Print E-mail
Read more...
 
1000 BC to 500 BC The invention of the abacus PDF Print E-mail
Read more...
 
383 BC to 322 BC Aristotle and the Tree of Porphyry PDF Print E-mail
Read more...
 
300 BC to 600 AD The first use of zero and negative numbers PDF Print E-mail
Read more...
 
1274 AD Ramon Lull's Ars Magna PDF Print E-mail
Read more...
 
1285 AD to 1349 AD William of Ockham's logical transformations PDF Print E-mail
Read more...
 
1874 AD The Sholes (QWERTY) Keyboard PDF Print E-mail
Read more...
 
1878 AD The First True Incandescent Light Bulb PDF Print E-mail
Read more...
 
1879 AD Robert Harley publishes article on the Stanhope Demonstrator PDF Print E-mail
Read more...
 
1880 AD The invention of the Baudot Code PDF Print E-mail
Read more...
 
1881 AD Allan Marquand invents the Marquand Logic Machine PDF Print E-mail
Read more...
 
1883 AD Thomas Alva Edison discovers the Edison Effect PDF Print E-mail
Read more...
 
1886 AD Charles Pierce links Boolean algebra to circuits based on switches PDF Print E-mail
Read more...
 
1890 AD Herman Hollerith's Tabulating Machines PDF Print E-mail
Read more...