What was the nationality of Marconi ?

                   is a method of transmitting information through a certain series of clicks which can be understood and decoded by a specially trained listener.

                   is the study of the science of hiding information. 

The credit for inventing the first practical telephone goes to                      

The first stamp depicts the Indian Flag with what slogan ?

When was telephone invented ?

The Morse Code was introduced by Samuel Morse in the year                   

The value of the first stamp was                 annas. 

In which year did Franco-Prussian war occur?

Who invented television ?