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Telephones are the most commonly used means

of communication. They are one of the fastest

means of communication. Telephones allow us to
communicate with people living anywhere in the

world.

Telephone

Subscriber Trunk Dialing (STD) services are used to
connect people in the same country. International

Subscriber Dialing (ISD) services are used to connect

people of different countries.

Subscriber Trunk Dialing

Mobile phones are popular nowadays and can be
carried anywhere. We can also make a video call

with a smartphone and talk to the other person

face-to-face. Smartphones are also used to send

short text messages through an SMS ( Short

Message Service).
Mobile phone

Fax is a method of sending an exact copy of a printed

or handwritten document via telephone lines. It can

only be sent to people who have fax machines.

Mass Communication Fax

Communicating with many people at a time Find It What is the other name of

is called mass communication. Newspapers, Out mass communication?

magazines, radio, television, cinema, internet,

advertisements, e-readers and tablets are modes of mass communication.

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