Page 83 - Trackpad 402_Class-X_Final
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▶ Cleaning your computer components regularly helps increase the lifespan of your computer which can save
                time and money.
                 ▶ Computer is just a machine that needs regular updates and maintenance to perform at its best.
                 ▶ Backup is the process of creating a copy of the data somewhere so that it can be used if the system crashes or
                hard drive failure occurs.
                 ▶ Computer virus is a malicious code that attaches itself to a file and enters your computer system and makes
                copies of itself and carries out the harmful tasks.
                 ▶ Data protection is safeguarding your data from data damage or data access by unauthorised people.
                 ▶ Temporary files are created temporarily by programs that store information related to the file you are working
                on in your computer.
                 ▶ Firewall can be a hardware— network security device or a software that acts as a barrier to protect your
                computer or a network of computers of an organisation from unauthorised access of data.





            Exercise





                                                              Solved

                                              SECTION A (Objective Type Questions)

            A.  Choose the correct option.

               1.  What does ICT stands for?
                  a. Information and Communication Technology       b. Information and Communication Terminology
                  c. Information and Common Technology              d. Information to Communication Technology
               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


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