The document summarizes the history of communication technologies from ancient times to the modern era. It discusses how hieroglyphics were the first standardized written language used in ancient Egypt. It then outlines key inventions and developments such as the use of homing pigeons to deliver messages, the invention of the typewriter, telegraph, telephone, television, and early computers which were room-sized but laid the foundations for the internet.

1. By:Sarminthan Sivanathan

2. hwww.youtube.com/watch?v=rDkxsNmKDGk

3. » Hieroglyphics, the first standardized written language .
» It was a form of picture writing , each symbol represented an idea
or an word.
» Believed that the writing was invented by the god Thoth

4. » First recorded use of homing pigeons to send messages
» The pigeons were transported to a destination in cages where they
would be attached with messages, then set free to deliver the
messages

5. » Henry Mill patents the first type writer

6. » Charles Wheatstone invents the telegraph and
the microphone

7. » Alexander Graham Bell patents the first
telephone

8. » First television broadcast in USA

9. » First computer was invented around this time
» Originally they were the size of a large room, consuming
as much power as several hundred modern personal
computers .
» Internet began with the developments of computers

10. » http://www.omniglot.com/writing/egyptian.htm
» http://www.ideafinder.com/history/inventions/typrwriter.htm
» http://inventors.about.com/od/wstartinventions/a/Wheatstone.ht
m
» http://inventors.about.com/library/inventors/bl_history_of_comm
unication.htm