"Strong AI" or "strong AI" is a system where machines learn to make their own logical decisions. The theory indicates that they will be able to surpass human beings in all facets of knowledge.
These machines could develop their own feelings and have their own subjective experience. The great fear is that AGI will improve itself at an exponential rate until it reaches a point where its intelligence operates at a level unattainable by human understanding. The CEO of Nvidia assured that it would arrive in 5 years and would be superior to the intelligence of human beings.