Page 81 - Data Science class 10
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2.  Aradya is making a presentation on her computer and listening to her favourite songs at the same time, her boss has
                  asked her to check the mail. Which feature of an operating system has enabled Aradya to do many tasks at the same
                  time on her computer?

             Ans.  Multitasking



                                                     Unsolved Exercise


                                             SECTION A (Objective Type Questions)

            A.  Tick ( ) the correct option.
               1.  What happens if you leave a device plugged in even after it is charged 100%?
                  a.  It can break.                                  b.  It can stop functioning.
                  c.  It can overheat.                               d.  Data can get corrupt.

               2.  How can an antivirus protect your device?
                  a.  It can protect it from overheating.            b.  It can increase its performance.
                  c.  It can prevent data from getting corrupt.      d.  It can backup data.
               3.  What should you do to ensure secure online transactions?
                  a.  Lock your computer
                  b.  Give credit card or bank details only on safe websites

                  c.  Use anti-virus
                  d.  Do not use pirated software
               4.  Which of the following trap small children into inappropriate relations?
                  a.  Online predators                               b. Worms
                  c.  Trojan Horse                                   d. Anti-Virus
               5.  What should a strong password consist of?
                  a.  Only letters                                   b.  Numbers and special characters

                  c.  Name of a person                               d.  Letters, numbers and special characters
               6.  Which option is not required to keep a device cool?
                  a.  Keep the device unplugged when in use.
                  b.  Do not cover a laptop with a blanket.
                  c.  Make sure the computer's CPU fan is working.
                  d.  Avoid leaving the device in the sun.

               7.  Which of the following is essential for maintaining a keyboard?
                  a.  Turn the keyboard upside down and shake it to remove foreign material.
                  b.  Blow dust and other particles with the help of a blower.
                  c.  Use a very dilute combination of soap and water applied with a non-abrasive cloth to remove stains from the
                     keycaps.
                  d.  All of the above.
               8.  How can a computer virus enter a computer?
                  a.  Online games                                   b.  Creating new file in Word
                  c.  Designing a presentation                       d.  Writing a program




                                                                                                  ICT Skills-II  79
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