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    d.  Email services use Natural Language Processing (NLP) and text classification.
                         e.   Data science is used in e-commerce to recommend films and music to users based
                            on their preferences.

                      4.  Think and answer.
                         a.  Name the three domains of Artificial Intelligence (AI).

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                         b.  Define the term data.

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                         c.  What is Natural Language Processing (NLP)?

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                         d.  Define data science and mention two areas of daily life where it is applied.

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                         e.  Write the difference between structured data and unstructured data.

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                      5.  Competency-based/Application-based questions                              Century   #Communication
                                                                                                     Skills  #Information Literacy
                         a.   Madhu  is a teacher  who needs  to  track  students’  health data,  predict  trends  and provide
                            recommendations based on their progress. Which AI domain would you recommend that she use?
                         b.   Kavya is designing an app to scan printed documents and convert them into editable text. Which AI
                            technology would help her with this task?
                         c.   An online shopping website stores customer names, order numbers and prices in a fixed table format
                            that can be searched easily. What type of data is this and why is it useful?
                         d.   A student types a question into a school chatbot and receives a clear and helpful reply. The chatbot
                            improves its answers over time. Which technology allows the chatbot to understand and respond to
                            human language?
                         e.   A smartphone unlocks automatically when it recognises its owner’s face. Which technology allows
                            the phone to identify the person?

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