How are our telephones connected?
Through exchange
Through internet
Through radio link
Through Fax
Which is the common means of communication?
Mudra
Sign language
Letter
Telegram
Which is the quickest way to sent and receive messages?
By letters
By telegram
By telex
By trunk calls
Mass communication is:
Communication between individuals
Communication between a large group of people
Communication between relatives
Communication between children
The telephone was invented by:
Alexander Graham Bell
Michael Faraday
James Fergason
Daniel Fahrenheit
Which helps us to spend our free time and relax?
Television
Email
Telephone
Which system consists of dots and dashes instead of letters?
Semaphore
Hieroglyphics
Alphabets
Morse code
Which of the following used pictures to represent different objects, actions, sound or ideas?
The way of communicating through various flag positions is called:
How do we speak to people who cannot hear or speak?
By mudras
By sign languages
By speaking
By writing