Question

find the inventors of following means of communication 1 printing machine 2 telephone 3 radio
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Answer 1

Answer:

printing machine=Johannes Gutenberg

telephone=Alexander Graham Bell

radio= Guglielmo Marconi

Answer 2

Here's Your Answer

1- Creator of Printers = Charles Babbage ( Computer Printer ) and Johannes Gutenberg ( Typing Printer ) ( in 1800's )

2- Creator of Telephone = Alexander Graham Bell ( in 1876 )

3- Creator of Radio = Guglielmo Marconi ( in 1890's )

Hope The Answer Is Correct, Thanks :) !