What is exactly difference between Computer Science and Computer Application?

Question

try to give best answer please

Answer 1

computer science is the study of all things computer.

computer application is a program that runs on a computer.

a computer can be many things like a calculator a phone an atm machine a point if sale machine a game console etc

Answer 2

computer science is more theory, like what is computer, information, algorithm, what technology we can use, what paradigms are in programming.
application is usualy program which you can run, or perhaps you mean how practical use computer science for solve concrete problems.