WELCOME TO WORLD THE OF 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 : Personal communication b) Mass communication

PERSONAL 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 .

POSTAL SYSTEM 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.

TELEGRAPH In 1837 , Samuel Morse invented a system of sending Messages by telegraph . The senders sends the messages Through dot and dash symbols and operator (the receiver )Receiving the message at the other end ,translate these dots and dash symbols into words .

TELEPHONE 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 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

PRINT 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 .

ELECTRONIC MEDIA Electronic Media Under electronic media , we shall study about : a} Radio b} Television

RADIO 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 .

TELEVISION 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 .

SATELLITE COMMUNICATION 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