The inventor of radio is
Guglielmo Marconi
Johann Gutenberg
J.C Bose
Lohn Logie Baird
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 communication signals are sent to other countries through
Satellites
Radio waves
E-mails
Computers
Find the odd one.
Aeroplane
Car
Taxi
Train