Multiple choice technology

The invention of the transistor, or semiconductor, was one of the most important developments leading to the personal computer revolution. What company invented the transistor in 1947?

  1. International Business Machines

  2. MITS

  3. Xerox

  4. Bell Laboratories

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

Bell Labs invented the transistor in 1947 (Bardeen, Brattain, and Shockley). IBM (International Business Machines) was a major company but not the transistor inventor. MITS created the Altair computer, and Xerox developed pioneering GUI technology at PARC.