Multiple choice

Who invented transistor?

  1. Judson

  2. Shockley

  3. Bessemer

  4. None of these

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

William Shockley, along with John Bardeen and Walter Brattain, invented the transistor at Bell Labs in 1947. This solid-state device could amplify and switch electronic signals, replacing bulky vacuum tubes. The transistor revolutionized electronics, enabling miniaturization of devices like radios, computers, and eventually integrated circuits. The trio won the 1956 Nobel Prize in Physics for this groundbreaking invention.