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7                                                                           We are all aware of the fact that every machine or organism is made of smaller parts that perform



                                                                                                                                            specific types of tasks. Similarly, the AI system is also built from different smaller mechanisms that
                                                                                                                                            help the AI work properly. These working mechanisms are the different components with which the
                                                                                                                                            AI system can work. They are commonly called domains of AI. In this chapter, we are going to learn
                                                                                                                                            about the different domains of AI.
                                                                                                                                            Barr and Feigenbaum in 1981 defined AI as "the part of computer science concerned with designing
                                                                                                                                            intelligent  computer  systems,  that  is,  systems  that  exhibit  characteristics  we  associate  with
                                                                                                                                            intelligence in human behaviour—understanding language, learning, reasoning, solving problems,
                                                                                                                                            and so on.”

                                                                                                                                            Domains of AI

                                                                                                                                            There are different approaches or domains in the field of artificial intelligence. There are various
                                                                                                                                            methods  through  which  we  can  develop  artificially  intelligent  systems.  Let  us  learn  about  these
                                                                                                                                            domains.










                                                      AI Domains                                                                                      Natural Language

                                                                                                                                                          Processing                     Data Science                       Computer Vision


                                                                                                                                            Natural Language Processing (NLP)
                    Learning Outcomes
                                                                                                                                            This  is  a  subfield  of  AI  that  helps  in  communication  between  human  and  computer  in  natural
                       Domains of AI                                                                                                        language. It enables a computer to read and understand data by processing and understanding
                       Real Life Applications of Different Domains of AI                                                                    human language.
                                                                                                                                            This subfield of AI is used for a variety of tasks such as email filters. A lot of people receive a lot
                                                                                                                                            emails that are useless. NLP checks the sender of the email and categorises the mails as spam or
                                                                                         Information Literacy
                                                                                         Technology Literacy                                junk. NLP also finds its use in the auto complete and spell check features of word processors. NLP is
                                                                                                                                            also quite useful in voice text messaging and virtual assistants.
                      Explain four stages of HMI.























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