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                        A computer virus is a ‘piece of code’ or 'program' developed to corrupt the data or
                       program files stored on the computer system.
                        A malware is a type of malicious  program  designed to damage  or  carryout  other
                       unwanted actions on a computer system.

                         The different types of malware  are  worm,  trojan horse, spyware,  ramsomware  and
                        rootkit.
                         A set of programs that identify and remove malware are known as antivirus software.

                         A  computer  gets  infected  through  various  ways  like e-mail attachments,  infected
                        removable media, malicious ads etc.




                                                          Checkpoint



                 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?

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




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