Transcript Communication

MADE BY :
Reena Kalra
&
Navita Srivastava
Sri Venkateshwar
International School
COMMUNICATION
Communication is a process of sending and receiving messages.The
messages can either be spoke nor written.In olden time messages
were sent through pigeons , horse – riders or by signal .
Do you know ? The sailors
signaled to other ships about in
the seas by waving flags .
TYPE OF COMMNUICATION
In the present world , communication is of
two types :
a) Personal communication
b) Mass communication
PERSONAL
COMMUNICATION
It means communication between sender and receiver or caller
receiver . The means of personal communication are :1. Postal system
2. Telegraph
3. Telephone
Do you know ? In some areas mail is
carried on donkey .
1 . Postal system : Millions of letters, card, parcels and
money orders are sent and received through post–office
everyday. Mail is transported by vans, trains, aero plane
and even ships .
In India the first-office was set up at byculla in
Mumbai in 1832.’“Postal Index Number{ PIN }’’was
introducted to make the sorting of mail quick and
easy .The post- offices also provide banking and
‘Speed Post’ services .
Do You Know ? The first stamp in India was
introduced by bartle frere in1852.
Telephone was invented by Alexander Graham bell in 1857.
It is the quickest method of direct communication between
two people .On telephone a person talks to another person
Living at a distance .
DO YOU KNOW : The
first on telephone was
made from a top of
the building to two
storeys down in
Bostan .
MASS COMMUNICATION
Mass Communication helps in communicating with a large
number of people at the same time . The means of Mass
Communication are :
1. Print media
2. Electronic media
1. Print Media : Print media includes newspapers , books ,
magazines , journals , etc . They play an important roles in
spreading knowledge ,information , ideas and skills through
words ,figures , illustrations and graphs to thousands of
people . ‘ Bengal Gazette ’was the first newspaper which was
published in India .
Do you know ?
Gujarati daily ‘ Bombay Samachar ‘
is oldest existing newspaper in India.
It started in 1882 .
The highest number of newspaper
published in India are in
Hindi .
2. Electronic Media
Under electronic media , we shall study about :
a} Radio
b} Television
Radio : It was invented by Guglielmo Marconi
. It brought a revolution in mass communication
. Radio programmes are broadcast to the whole
world . Even illiterate people can listen and
understand the radio programmes like music,
discussions , dramas and commentary of
important events or games .
Do You Know ? Radio also helps ships
and aeroplanes to send
messages in an emergency .
Televisions : It was invented by John Logie Baird in
1926 . Televisions is more effctive than a radio . It
involves both the sense of seeing and hearing.Any
happening in any part of the world can be viewed
in the comfort of our homes .
DO YOU KNOW : India’s
national television is called
the Doordarshan .
An artificial satellite is a man made object which
revolves around the earth . It helps in transmitting
sounds and pictures through transmitters . A
satellite acts as a bridge between different countries
of the world .
Do You Know?An
internet is connected
through a satellite.
Thank You