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20.  Neerja is a student of Class XI. She has opted for Computer Science. Neerja prepared the project assigned to her. She mailed
              it to her teacher. The snapshot of that email is shown below.























              Find out which of the following email etiquettes are missing in it. Justify your answer.
              a.  Subject of the mail
              b.  Formal greeting
              c.  Self-explanatory terms
              d.  Identity of the sender
              e.  Regards
         Ans.  Missing Email etiquettes are (a) , (b), (d)
              (a) The shown email lacks a valid subject,
              (b) A Formal Greetings are not mentioned like Good Morning, Dear Sir, Dear Friends, etc.
              (e) No Regards mentioned in the mail.

          21.  Sumit got good marks in all the subjects. His father gifted him a laptop. He would like to make Sumit aware of health
              hazards associated with inappropriate and excessive use of laptop. Help his father to list the points which he should discuss
              with Sumit.
         Ans.  Excessive digital usage may lead to:
              (i) Impact on bones and joints
              (ii)  Eye strain
              (iii)  Sleep issues
              (iv)  Mental health issues
              (v)  Internet addiction disorder



                                                       Answers
          Multiple Choice Questions
          1. (b)      2. (d)     3. (d)     4. (b)      5. (d)     6. (b)     7. (c)      8. (d)     9. (c)
          10. (a)     11. (c)    12. (b)    13. (c)     14. (a)    15. (c)
          True or False
          1. (T)      2. (F)     3. (T)     4. (F)      5. (T)     6. (T)     7. (F)      8. (F)     9. (T)
          10. (T)     11. (T)    12. (F)    13. (T)
          Fill in the blanks
          1. digital footprint   2. advertisements   3. fabrication        4. X handle
          5. computer fraud     6. identity theft    7. Eavesdropping      8. Spam
          9. malware            10. File Infectors


          300  Touchpad Informatics Practices-XII
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