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    In this chapter, you will learn how to turn on and use a computer. You'll discover
                      how to open programs, click with the mouse and type using the keyboard.

                                HOW TO START A COMPUTER?

                      Before working on the computer, we need to start it. This is called switching on
                      the computer. We can start a computer by following the given steps:

                                                       1  Switch on the power button.

                                                                                                      4  Switch on
                                                                                                     the monitor.

                                                                                                      3  Switch on the
                                                                                                     power button of
                         2  Switch on the UPS.                                                       the CPU.

                      A screen appears after switching on the computer. This screen is called the
                      desktop. We can see small pictures on the desktop. These small pictures are

                      called icons. At the bottom of the screen, you will find a horizontal bar, which
                      is known as the Taskbar. The Taskbar contains the Start menu and a set of

                      fixed icons. It also shows the running programs as icons when minimised.

                                                                                                             Desktop
                        Icons

                                                       Start Button

                       20   Computer Science (V5.0)-II

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