Semiconductors (like silicon) are materials with conductivity between that of a conductor and an insulator. By adding impurities—a process called —engineers can precisely control how these materials behave, leading to the creation of: PN Junctions : The foundation for diodes and transistors.
: Act as temporary energy storage, smoothing out voltage ripples. Understanding Modern Electronics
: The "brain" of modern electronics. They act as switches or amplifiers, allowing small signals to control larger ones. Semiconductors: The Miracle Materials Understanding Modern Electronics
: Millions of microscopic components etched onto a single chip. Understanding Modern Electronics - The Great Courses Understanding Modern Electronics