What is communication? Communicating with individuals . 1. Letters 2. Telegrams 3. Telephones 4. Fax 5. Email 6. Smart Phones Mass Communication 1. Printing 2. Radio 3. Television 4. The Internet 5. Social Engineering

1. By
Shahana Rajasekar – V ‘B’
Indian School - Sur
Oman

2.  Communication is the exchange of
information or ideas between people.
 Different forms of communication are
Face-to-face
Telephone
Letter
E-mail
News
Advertisement
Programmes on radio or Television

3.  Humans were able to develop language and then
writing to communicate.
 Earlier messages were sent over long distance
through pigeons or horses.
 Later, the postal services made the task of sending
messages.
 Telephone was invented in 1876.
 Telephone lines were used to send fax and e-mails.

4. A message in a metal case being tied on a carrier pigeon

5. Communication in animals

6. Early communication was in the form of pictures.

7.  1. Letters
 2. Telegrams
 3. Telephones
 4. Fax
 5. Email
 6. Smart Phones

8. 1. Letters
 We can send a letter through the post office
or courier service.
2. Telegrams
 Urgent messages can be sent through a
telegram.
 Invented by Samuel Morse.
 Not in use today.

9. 3. Telephones
 To talk to any persons.
 Fastest and most convenient
 Invented in1876 by Alexander Graham Bell.
 City  City (STD – Subscriber Trunk Dialing)
 Country  Country (ISD – International
Subscriber Dialing)
 Mobile telephones / Cell Phones available
 To Send SMS (Short Message Service)

10. 4. Fax
We can send a copy of a document.
Written matter, printed matter, pictures.
5. Email
 Electronic mail (e-mail)
 Using computer & internet connection.
 Reaches anywhere in the world.
6. Smart Phone
 Make phone calls
 Share music files and photographs
 Send and receive emails

11.  Communicating to many people at the same
time.
 Examples:
 Printing
 Radio
 Cinema
 Television
 Internet
 Social Networking

12. Printing:
 Invented by Johann Gutenberg – Germany 1443.
 Powerful mass communication.
 First printed news papers appeared about 400
years ago – 1609, Germany.
 Gives us news and information from all over the
world.

13. Radio
 Indian scientist Jagdish Chandra Bose – showed
that radio signals could sent over long
distances without wires.
 The Italian scientist Gugliemo Marconi improved
his work – Inventor of Radio.
 Cheapest mass communication.

14. Cinema
 The first film was shown on a screen about
115 years ago – 1895.
 Talking films came about 25 years later.
 An important means of entertainment.
 Documentary films are used for education
and giving information.

15. Television
 Invented by John Logie Baird –
1926.
 80 years back.
 Most popular means of mass
communication.
 Advantage – Having both sight
and sound.
 Several television channels
broadcast news, educational and
entertainment programmes.

16. The Internet
 Want information on any subject?
 Simple! Search the net!
 Internet is a fast and efficient way of sending
information around the world.
 Sometime called information Superhighway.

17. Social engineering
 New method of communicating over internet.
 Communicate with a group of friends.
 Using social networking sites.
 Example : Facebook, Twitter