Transistor
You can see full analysis of Transistors, its usage and function on motherboards and how to check its voltage and ohm and also how to test, place and remove it
MOSFETs, power MOSFET, High-side MOSFET, Low-side MOSFET, PWM-VDDQ, V-Core power circuit, battery charging circuit, Dual MOSFET, single MOSFET.