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We all know by now that AI learns, thinks and behaves like humans. AI is a branch of computer
                  science that focuses on developing machines which can think and work like human beings. In simple
                  terms, we can define AI as a system which can learn and perform tasks that require a higher level
                  of intelligence like learning from its past experience, planning and problem solving etc. which any
                  human being does with ease.
                  AI has already become an integral part of our daily life, therefore it’s important to understand
                  what AI can actually do. In fact, AI is a broad term which includes Machine Learning, Big data or
                  Natural Language Processing (NLP) as its subsets. These subsets can also be classified by the level
                  of intelligence.

                  AI can be classified into three categories which are based on the functionality of AI applications.
                  The given figure shows the classification of AI machines.


                                                          Artificial Intelligence







                                      Weak AI                  Strong AI                 Super AI



                  Weak AI

                  Weak AI is also known as Narrow AI. It is the most common type of AI that we can see and use all
                  around us. Characteristics of this AI are:
                     Narrow AI performs dedicated tasks with intelligence.

                     It has a limited scope of functionality and can perform a specific task only.
                     Examples of Weak AI are Siri, Google Assistant, IBM's Watson, chatbots, etc.


































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