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Period: Jan 1, 1450 to
Computer
history of Comuter -
Jan 1, 1492
Leonardo da Vinci
Drawings by Leonardo da Vinci depict inventions such as flying machines, including a helicopter, the first mechanical calculator and one of the first programmable robots -
John Napier
ohn Napier invents a system of moveable rods (Napier's Rods) based on logarithms which was able to multiply, divide and calculate square and cube roots -
William Oughtred
William Oughtred develops slide rules -
Wilhelm Schickard
Invented calculating clock -
Gottfried Wilhem Lebniz
he built calculator that can divide, add, subtract and multiply. -
Charles Babbage
he made the first engine -
Augusta Ada Lovelace
she was the first woman who made language program. -
Herman Hollerith
he founded the IBM company. -
IBM
the IBM was founded -
Alan Turning
he is a GENIUS, so he help good people on WW2 by hacking their code -
Hewlett-Packard
Hewlett-Packard formed by David Hewlett and William Packard in a garage in California. -
Bug
the computer term"bug" was started to using because of grasshopper -
Steve Wozniak
he was co-op of Steve jobs -
Java
Java was introduced -
Bill Gates
he founded the "Microsoft" -
E-mail
E-mail was invented by Ray Tomlinson -
The World Wide Web
The World Wide Web was launched -
yahoo
Yahoo was created -
Amazon
Amazon was introduced -
Ebay
Ebay was launched -
Hotmail
Hotmail is started by Jack Smith and Sabeer Bhatia. -
Google
Google is founded by Sergey Brin and Larry Page -
Tommy Flower
he help Alan M. Turning -
Xbox
Xbox was introduced by Bill Gates -
Blaise Pascal
he built first calculator