Multiple choice

The metal-oxide semiconductor (MOS) transistor is the real forerunner of the modern chip. In which year was it invented?

  1. 1968

  2. 1969

  3. 1960

  4. 1962

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

The Metal-Oxide Semiconductor (MOS) transistor was developed at Bell Labs in 1959, with the first working devices produced in 1960. This invention paved the way for integrated circuits and modern microchips. The MOSFET became the fundamental building block of digital electronics.