In digital electronics, the input of an AND gate will be either logic state 1 or 0. If DC Positive logic is
used for the logic states, what voltage would you
expect to read on an input that is logic state 1 in a
5 VDC system?

A) 0 VDC
B) +5 VDC
C) -5 VDC

D) 10 VDC

Answerigneous bedrock of the oceanic crust;

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other