Question

what is the most important invention of twentyth century?
can any one reply thanks in advance​

Answer 1

Answer:

mark me brainlinest plzzzz

Explanation:

You can forget inventions like air conditioning, television, the computer and the Internet. The single most important invention of the 20th century was the transistor, according to some researchers and analysts.

Answer 2

Answer:

internet ,TV , Computer,Smart phone