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8.  Give three different ways to keep the hardware components clean.
               9.  Why is data backup important?
              10.  How is a computer file system similar to our physical file system in a school?             [NCERT]


            B.  Long answer type questions:
               1.   Explain any three options present in the notification area of a taskbar.
               2.  How can we easily add and remove programs in the taskbar?
               3.  Explain the options available in the Start menu.
               4.  Explain in short the three different types of software with examples.

                                                                                       21 st   #Communication
            C.  Competency-based/Application-based questions:                        Century   #Leadership & Responsibility
                                                                                       Skills
               1.  Diya is a DTP operator and works most of the time on her computer. Windows 10 is installed on her computer system. Diya
                  is not very organised and forget things easily. Suggest a way using which she can prepare a 'To do list' on her computer.
               2.  Abhishek is playing a game on his computer and listening to his favourite songs at the background. At the same time, his
                  mother has asked him to check the mail. Which feature of an operating system has enabled Abhishek to do many tasks at
                  the same time?
               3.  Neha's computer has been infected by the computer virus and she is unable to delete the virus. Help her by telling what
                  steps should she follow in order to remove the computer virus.
               4.  Niharika wants to install free antivirus software to protect her system from virus attacks. But she does not know any free
                  antivirus. Suggest her any one good antivirus software that is available free to use.


                                            Previous Years' Questions


               1.  Neha is receiving several mails from companies who are advertising a product or trying to attract her to their websites.
                  Such type of mails are called.                                                               [2022]
                  a. Advertising mails                              b. Bulk mails
                  c. Spam mails`                                    d. Labelled mails
               2.  A computer automatically runs a basic program called as soon as it is switched on or the power button is pushed on. [2022]
                  a. BIOS (Basic Input/Output System)               b. IOS (Input/Output System)
                  c. BOSS (Basic On System Startup)                 d. POS (Power On System)

               3.  Riya uses Internet for her School Project. She is unaware of possible online threats. Mention two online threats and three
                  measures she shall take to ensure safety from online threats.                                [2018]
               4.  E-mail stands for           .                                                               [2016]
                  a. Electronic mail                                b. Emergency mail
                  c. Electric mail                                  d. None of the above
               5.  Write one line for defining each of the following:                                          [2016]
                  a. Firewall                                       b. SPAM

                                                                                  21 st   #Leadership & Responsibility
              LAB ACTIVITY                                                      Century   #Creativity
                                                                                  Skills
                1.  When you switch on the computer there are few steps done and then your desktop is displayed. Find out
                  what are these “few steps” and write down in MS Word.
                2.  Suppose you are working in a company dealing with very confidential data. You need to send that data
                  through the internet to your superiors. List down the possible threat you may face for your data.




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