Multiple choice general knowledge science & technology

Name the first instrument invented for recording and playing back sound.

  1. Phonograph

  2. Telephone

  3. Camera

  4. Stereo

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The phonograph, invented by Thomas Edison in 1877, was the first device capable of both recording and playing back sound. It used a needle to etch sound waves onto a tinfoil-wrapped cylinder, which could then be played back by tracing the grooves.