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    b.  What is malware? How does this affect your computer? Mention a few types of malware.
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                        c.  Differentiate between virus and worm.
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                     5.  Competency-based/Application-based questions.

                         a.  Manisha wants to prevent others from accessing her computer without permission. Which
                            security measure would help her in this situation?

                         b.   Nitin is working with some important data. If he modifies the data, he will no longer have
                            access to the original version. How can he safeguard the original data for future use?

                         c.   While Anuj is working on his computer, it unexpectedly slows down and automatically displays
                            unwanted files. Assist him in pinpointing the possible problem with his computer and providing
                            a solution.

                                                                                          teCh Zone

                         Let's soLve                                                              21 st
                                                                                                Century   #Critical Thinking
                         Guess my name.                                                           Skills
                         a.   My name resembles a micro organism. My prime motive is not to

                            cause damage but clone myself on the host system.                              ____________

                         b.   I specialise in concealing myself. Though, I belong to cyber world but

                            my name has its roots in Greek mythology.                                      ____________

                         c.   I do not collect information from the computer. I wait for the hacker
                            to give me commands.                                                           ____________

                                                                                                  21 st
                         Let's exPLore                                                          Century   #Information Literacy
                                                                                                 Skills
                           Surf the Internet to find the latest antiviruses and protective measures you can use to secure
                         your computer.

                                                                                          Computer Safety and Security  75

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