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    REVISIT

                        ▶   Digital Citizenship involves being responsible and ethical online, respecting privacy and practising good
                          digital etiquette.
                        ▶   Ethical hacking (white-hat hacking) helps secure systems by identifying vulnerabilities.
                        ▶   Facial recognition technology is used for security and personalisation, but raises privacy concerns.
                        ▶   Companies use collected data to show relevant ads based on your interests.
                        ▶   Algorithms learn from data to make predictions and decisions.
                        ▶   To spot fake news, always verify the source and check the facts before believing or sharing information.

                      1.  Tick ( ) the correct option.

                          a.  Select the correct definition of being a good digital citizen.

                              (i)  Sharing personal information freely        (ii)  Using technology responsibly
                             (iii)  Ignoring others’ privacy                  (iv)  Downloading information carelessly
                          b.  Which type of hacking tests the security of systems?

                              (i)  Black-hat hacking                          (ii)  Grey-hat hacking
                             (iii)  White-hat hacking                         (iv)  Malicious hacking

                          c.  Identify the ethical use of facial recognition technology.
                              (i)  Find missing people or unlock devices      (ii)  Share data without consent

                             (iii)  Store data unprotected                    (iv)  Spy secretly
                          d.  Recognise the statement that is true about targeted marketing.
                              (i)  Increases diverse viewpoints               (ii)  Limits diverse viewpoints

                             (iii)  Encourages widespread exposure            (iv)  Guarantees product success
                          e.  Choose the correct statement about the use of machine learning algorithms.
                              (i)  To analyse data and make decisions         (ii)  To create generic content

                             (iii)  To reduce online services                 (iv)  To block personalised ads

                      2.  Fill in the blanks using the words from the help box.

                                           Black-Hat, Big data, Digital Citizen, Fake news, Create

                          a.  A good digital citizen uses technology to learn, _______________ and help others.
                          b.   _______________ hackers break into computer systems or networks without permission for harmful
                             or illegal purposes.

                      134   Computer Science (V5.0)-VIII

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