a. Natural Language Processing
Basically, it is possible to interact with the computer. Also, they understand only natural language which human use to spoke.
b. Gaming
In strategic games, AI plays a crucial role. Such as chess, poker, tic-tac-toe, etc., As applications presents which integrate machine, software to impart reasoning and advising. They provide explanation and advice to the users.
c. Speech Recognition
Basically, systems capable of hearing the language. And also their meanings while human talks to it.