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6.  Which of the following statements is correct?
                    a. Virus is a part of software.
                    b. Virus is an operating system.
                    c. Internet does not allow the virus to spread.
                    d. Virus improves the speed of processing information through computer.

              B.  Fill in the blanks.

                 1.  Any data in the computer is stored in the form of a    .
                 2.  File is made up of two parts         and               .
                 3.                allows quick access to a file.

                 4.  Similar types of files can be placed into a     .
                 5.                replicates on its own and can easily spread to other computers through the network.
                 6.                is a practice and the procedures to be followed that helps in keeping the computer software and hardware
                    updated and in a good state of working.
                 7.                is the process of creating a copy of the data somewhere.
                 8.                utility programs remove all unnecessary files and information that slows down the computer.


              C.  State whether these statements are true or false.
                 1.   Windows 11 is an operating system developed by Microsoft.
                 2.  A virus can increase the performance of your computer.

                 3.  Data backup is not a necessary part of maintenance.
                 4.  SPAM may bring malicious code.
                 5.  Computer is just a machine that needs regular updates and maintenance to perform at its best.
                 6.  Data protection is safeguarding your data from data damage.


                                                SECTION B (Subjective Type Questions)

              A.  Short answer type questions.
                 1.   What is mobile operating system?

                 2.  What is the difference between a file and a folder?
                 3.  What is utility software?
                 4.  Give the steps to delete the temporary files in your computer.
                 5.  Give three different ways to keep the hardware components clean.
                 6.  Why is data backup important?

              B.  Long answer type questions.

                 1.   What is a computer virus? Explain its types.
                 2.   Mention any four steps to avoid spam emails.
                 3.   What are the different reasons for security break in a computer system?
                                                                                          21 st   #Communication
              C.   Competency-based/Application-based questions.                       Century
                                                                                         Skills  #Leadership & Responsibility
                 1.  Neha's computer has been infected by the computer virus and she is unable to delete the virus. Help her by telling her
                    what steps she should follow in order to remove the computer virus.




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