Question

what AI actually do?

Answer 1

THE ANWER IS :-

AI (artificial intelligence) is the simulation of human intelligence processes by machines, especially computer systems. ... Particular applications of AI include expert systems, speech recognition and machine vision.

Answer 2

AI is accomplished by studying how human brain thinks, and how humans learn, decide, and work while trying to solve a problem, and then using the outcomes of this study as a basis of developing intelligent software and systems.