The communication signals are sent to other countries through
Satellites
Radio waves
E-mails
Computers
Quick short messages can be sent through
Letter
Telegram
Speed post
All the above
The first film was shown in the year
1892
1893
1894
1895
The inventor of radio is
Guglielmo Marconi
Johann Gutenberg
J.C Bose
Lohn Logie Baird
The fastest and the most convenient means of sending spoken message is
Visual communication system
Telephones
The fastest and efficient way of sending information around the world is
Telegraph
Television
Internet
The printing machine was invented in the year
1223
1333
1443
1553
