Carrier transport in materials (Diffusion and Drift, Poisson's Equation); doping in semiconductors, introduction to band theory, recombination, the p-n junction, junction potential, diode equation, forward, reverse bias, concept of electron and hole current, breakdown, metal-semiconductor contacts (ohmic and Schottky), applications of diodes (rectification, LED, photodiode etc), the bipolar junction transistor, emitter injection efficiency, base transport factor, physics of the MOS system, review of MOS materials and process technologies, MOS transistor physics.