Presentation is loading. Please wait.

Presentation is loading. Please wait.

Getting your message a cross

Similar presentations


Presentation on theme: "Getting your message a cross"— Presentation transcript:

1 Getting your message a cross
Making contact Getting your message a cross

2 Today we send e-mails –our ancestors used other methods
Fires Messenger flags Electric post telephone telegraph Internet

3 Fires Many cultures have used fire to send messages especially native Americans fires were lit in high places to say things like “yes” “no” or danger When the Greeks captured the city of troy in 1200BC they lit bonfires to send the news

4 Riders carried messages .New men and horses
Messengers Tow thousand five hundred five hundred years ago . Darius the great the king of Persia used messengers . horse Riders carried messages .New men and horses Were used each day a. document took ten days to travel 3,200 kilometers. In Baghdad in the 11th century they started to use birds to carry messages.

5 Flags Flags were used by Greeks 2,400 years ago
In the 18th century the French Navy gave 1.000common messages different numbers the message number was communicated to another ship using flags.

6 Electric telegraph The telegraph was introduced in the 1850s .
It used electricity to send messages .This code of Dots and dashes was named after Samuel Morse ( )and could send 30 words a minute.

7 Post The first postal service was in China
In 900 BC .It was used by the government . In a one Price post was started in England. It was a great Success and many other countries copied it.

8 Telephone In 1867 the first Telephones were used.
People in different places could speak to each other for The first time . The Telephone was invented by Two people :an Italian , Antonio Meucci and a Scots-American , Alexander Graham Bell. Today Mobile phone is used ,

9 Internet Now a day millions of computers are connected globally by the Internet .The World Wide web was Invented by Tim Berners -lee in the Early 1990s.


Download ppt "Getting your message a cross"

Similar presentations


Ads by Google