Question

Which was the electronic and how invented it

Answer 1

Answer:

hyyy mate

here is your answer

Explanation:

Electronics ' actually history began with the invention of vacuum diode by J.A Fleming in 1897 ; and after that a vacuum triode was implemented by lee de forest to amplify electrical signals . this led to the introduction of tetrode and pentode tubes that dominated the world until the world war ll.

make me brainliest.

and follow me

Answer 2

answer is provided above