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Exercise



                 A.  Tick ( ) the correct option.

                    1.  Which of the following is a type of antivirus?
                       a.  Worms                                   b.  Norton

                       c.  Trojan                                  d.  None of these

                    2.  Which of the following programs can damage our computer?
                       a.  Malware                                 b.  Virus

                       c.  Antivirus                               d.  None of these

                    3.  Through which of the following mediums do computer malwares spread?
                       a.  Pendrive                                b.  CD

                       c.  e-mail                                  d.  All of these

                 B.  Write 'T' for true and 'F' for false.

                    1.  A virus cannot replicate itself.                                                     ..................
                    2.  AVG is a malware program.                                                            ..................

                    3.  Ransomware is an antivirus software.                                                 ..................
                    4.  We should scan our computer regularly.                                               ..................
                    5.  Downloading from a non-secured website can cause harm to your computer.              ..................

                 C.  Short answer type questions.

                    1.  What do you understand by Malware?

                       ........................................................................................................................................................................................................

                       ........................................................................................................................................................................................................
                    2.  How does a virus infect a computer?

                       ........................................................................................................................................................................................................

                       ........................................................................................................................................................................................................
                    3.  Write any two symptoms of an infected computer.

                       ........................................................................................................................................................................................................

                       ........................................................................................................................................................................................................

                    4.  What do you understand by Ransomware?

                       ........................................................................................................................................................................................................
                       ........................................................................................................................................................................................................





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