What is a Comparator and is an Amplifier used to amplify a small signal to a larger one?
What does the Inverting Input and the Non-Inverting Input mean and used for in their (Comparator and Amplifier) datasheets? (http://www.cytron.com.my/datasheet/IC/linear/LM393N.pdf and http://www.cytron.com.my/datasheet/IC/AMP/TDA2003.pdf )