Which of the following correctly identifies a voltage source and its method of developing electric potential?

a. dry cell—chemical action
b. generator—genetic action
c. thermocouple—chemical action
d. primary cell—heat action on a device

Convert and simplify the following sentences to conjunctive normal form (cnf): (a) (p → (q → r)) → (p → (r → q)) (b) (p ∧ q) → (¬p ↔ q) (c) ((p → q) ∧ ¬q) → ¬p

Which is a false statement considering copyright law? a. when people upload something to the internet they automatically receive a copyright for the work b. the work does not have to contain a copyright notice to be considered having a copyright c. copyright is legal term describing rights given to the creators for literary and artistic works d. personal pictures are always covered by copyrights

What is the digital revolution and how did it change society? what are the benefits of digital media?