What is the difference between SOHC and DOHC in engine type? on 2001 Plymouth Neon

I am trying to setup my car for a question and do not know which type my engine is. what does SOHC and DOHC stand for?

2 answers 2 comments
Single Overhead Camshaft
Dual (Double) Overhead Camshaft
What if I don't know the answer to this question. How can I set up my car to ask another question about my car?
Just don't select an engine, and in your question say that you're not sure which one it is.
sohc=single overhead cam
dohc=double overhead cams