Band theory • Intrinsic/extrinsic • Fermi level • Drift & diffusion • PN junctions • Diodes (Zener, LED) • BJTs • FETs/MOSFETs • Opto devices • Junction capacitance • Logic & CMOS • Numerics • 100+ MCQs • One wrong answer ends the game.
Answer multiple-choice semiconductor questions. Each is timed.
Knockout rule: one mistake or timeout ends your run.
Shortcuts: 1–4 to answer • Enter to start/restart