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      Virtual  assistants: NLP enables  virtual  assistants  to  understand
                                                  spoken or typed user requests, interpret their meaning and provide
                                                  relevant responses, helping users perform tasks efficiently and interact
                                                  naturally.                                                                                    A.  Tick ( ) the correct option.
                                                                                                                                                    1.  Choose  the  domain of data  science  that  uses large amounts  of data  to  make  predictions  or
                                                                                                                                                       decisions.
                        Spam detection: NLP helps identify  and  filter unwanted  or harmful
                         messages by analysing text patterns, keywords and context, ensuring                                                                  a)  Data science                          b)  Computer vision
                         that  spam  emails  and messages  are automatically  detected  and                                                                   c)  Natural language processing           d)  Classification
                         blocked effectively.
                                                                                                                                                    2.  Identify the dataset type that contains data in rows and columns.

                                                                                                                                                              a)  Structured data                       b)  Semi-structured data
                                                 Text summarisation: NLP enables  systems  to analyse  lengthy  text
                                                  and generate concise summaries, capturing key information and main                                          c)  Unstructured data                     d)  Hybrid data
                                                  ideas, making it easier for users to quickly understand large amounts                             3.  Select the predictive technique used to estimate continuous numerical values.
                                                  of content.                                                                                                 a)  Classification                        b)  Clustering

                                                                                                                                                              c)  Dataset                               d)  Regression
                   Checkpoint        Fill in the blanks.                                                                                            4.  Mark the dataset which consists of data in the form of numbers.

                        1.                identify whether a given text expresses is positive, negative or neutral opinion.                                   a)  Numerical dataset                     b)  Text dataset

                          2.  Face unlock application identifies a user by analysing facial features captured by a   .                                        c)  Multimedia dataset                    d)  Image dataset

                            3.                refers to data that does not have any predefined format or organisation.                              5.  Which term  is used  to  describe  a process  that  turns structured  data  into  meaningful  human

                              4.  Each individual unit within a dataset is known as a            .                                                     language?
                                                                                                                                                              a)  Optical character recognition         b)  Speech recognition

                                                                                                                                                              c)  Machine translation                   d)  Natural language generation

                                                                                                                                                B.  Fill in the blanks using the given hints:
                                                                                                                                                    1.                  is used in AI where machines sort information into specific       Hints
                               Intelligence is the ability to learn, think, understand and solve problems.                                             categories.                                                                      Similarities

                                The domains of AI refer to the main areas or branches where AI is used to mimic or enhance                          2.  In Clustering the data is grouped together based on             .                  Web
                               human intelligence.                                                                                                                                                                                     Amazon Alexa
                                                                                                                                                    3.  Regression is used to make                about numbers.                       Classification
                                Computer vision, a domain of AI, enables machines to identify objects, people and patterns.
                                                                                                                                                    4.  A                 dataset is gathered from online sources like websites.        Predictions
                                NLP is a branch of AI that enables computers to understand, interpret and respond to human                          5.  Google Assistant and                 understand spoken commands and respond to users in a
                               language in a meaningful way.
                                                                                                                                                       natural way.
                                Data science is the field that deals with collecting, analysing and interpreting large sets of data.
                                                                                                                                                C.  Write ‘T’ for true and ‘F’ for false.
                                Datasets refer to organised collections of data used to train and assess machine learning models.
                                                                                                                                                    1.  Speech recognition tranforms spoken language into machine-readable data.

                                                                                                                                                    2.   AI systems can learn from different types of data such as numbers, images and sounds.

                       22        Artificial Intelligence (CT & AI)-VII

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