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 way of communicating through various flag positions is called:
Semaphore
Hieroglyphics
Alphabets
Morse code
How are our telephones connected?
Through exchange
Through internet
Through radio link
Through Fax
Copies of printed materials can be send around the world in seconds through:
Telegraph
Internet
Fax Machine
Computer
We talk to people in far off cities using:
STD
ISD
PCO
IDD
Which helps us to spend our free time and relax?
Letter
Television
Email
Telephone
The telephone was invented by:
Alexander Graham Bell
Michael Faraday
James Fergason
Daniel Fahrenheit
The Telex was invented in:
1915
1914
1913
1916
