What are the two types of transistors?

Answer:
The two basic types of transistors are the NPN transistor and the PNP transistor. Certainly there are many other semiconductor devices, but these are arguably the two basic ones.
First answer by Quirkyquantummechanic. Last edit by Quirkyquantummechanic. Contributor trust: 3698 [recommend contributor recommended]. Question popularity: 0 [recommend question].