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We all are aware of the fact that every machine or organism is made of smaller parts that perform
            a specific type of task. Similarly, the AI system is also built from different smaller mechanisms that
            help the AI to 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 “Artificial Intelligence (AI) is 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  to  achieve  Artificial  Intelligence.  There  are  various
            methods  through  which  we  can  develop  artificially  intelligent  systems.  Let  us  learn  about  these
            domains.











                      Natural Language
                                                             Big Data
                         Processing                                                        Computer Vision

            Natural Language Processing (NLP)

            This  is  a  subfield  of  AI  which  helps  in  communication  between  human  and  computer  in  natural
            language. It enables a computer to read and understand data by mimicking human natural language.
            This subfield of AI is used for a variety of tasks such as email filters. A lot of people receive a lot
            emails which are useless. NLP checks the sender of the email and categorises the mails as spam or
            junk. NLP also finds its use in the auto complete and spell check feature of word processors. NLP also
            proves to be quite useful in voice text messaging and virtual assistants.



























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