Page 77 - Data Science class 10
P. 77

2.  A computer is an ____________________ machine.
                  a.  Mechanical                                     b.  Electrical
                  c.  Electronic                                     d.  None of the above

               3.  Which among the following is called as the physical part of the computer?
                  a.  Hardware                                       b.  Software
                  c.  Shareware                                      d.  None of the above
               4.  Which of the following is not computer hardware?
                  a.  Mouse                                          b.  Keyboard

                  c.  OpenOffice writer                              d.  Monitor
               5.  Which of the following act as an interface between the user and the computer?
                  a.  Operating System                               b.  MS Excel
                  c.  Impress                                        d.  OpenOffice spreadsheet
               6.  Which of the following software starts working as soon as we switch on a computer?

                  a.  OpenOffice Presentation                        b.  Operating System
                  c.  Windows                                        d.  None of the above
               7.  Which of the following is a valid file extension for Notepad file?
                  a.  .jpg                                           b.  .doc
                  c.  .text                                          d.  .txt

               8.  What key do you use to cut the data in a file?
                  a.  Ctrl+X                                         b.  Ctrl+C
                  c.  Ctrl+Z                                         d.  Ctrl+Y
               9.  Which of the following is also known for desktop background?
                  a.  Desk                                           b.  Wallpaper
                  c.  Floor                                          d.  Tiles

               10.  Which of the following is the default icon for storing deleted files?
                  a.  Network                                        b.  Recycle Bin
                  c.  Computer                                       d.  Folder
               11.  What happens if you leave a device plugged in even after it is charged 100%?             [NCERT]
                  a.  It can break.                                  b.  It can stop functioning.

                  c.  It can overheat.                               d.  Data can get corrupt.
               12.  How can an antivirus protect your device?                                                [NCERT]
                  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.
               13.  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

               14.  Which of the following trap small children into inappropriate relations?
                  a.  Online predators                               b.  Worms
                  c.  Trojan Horse                                   d.  Anti-Virus





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