AI or Artificial Intelligence is the type of intelligence that we impart to machines to solve problems and understand use cases without human interactions. There are basically four types of AI, and they are:
Reactive Machines
Limited Memory
Theory of Mind
Self Aware
So if you wish to know more about AI, I would recommend you check out Artificial Intelligence Training from Intellipaat. Also, to get started, check out AI Tutorial and watch the below video on AI Course.