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Drag

                 To drag move the mouse while keeping                                   release
                 the left button pressed. It is used to                press      move
                 move an item to another location on the

                 screen.





                           Interdisciplinary Learning                                                   Lab Activity


                    1.  Type the following sums on the computer by using different keys:

                            4 + 3         =                         10 – 2       =

                            160 + 45      =                         500 – 255    =
                    2.   Now, solve these sums using the calculator app on your computer and type the
                        correct answers using keyboard on your computer. Also, write the answers in the
                        space provided above.


                 DESKTOP AND ICONS

                 When our computer is switched on, we see a                   Icons

                 screen with a lot of small pictures. This screen                              Desktop
                 is called the  Desktop. Once the desktop

                 appears, we can start using the keyboard and
                 mouse. The small pictures with their names on
                 the desktop are called Icons. On the lower left             Start button

                 corner of the desktop, there is a Start button.

                 When we click on the Start button or press the Windows key                  on the keyboard, a menu
                 with a list of apps (computer programs) opens up. This menu is called the Start menu.

                    Scroll using the mouse or use Arrow keys to move up and down in the Start menu.

                    Click, right-click or double-click on any icon to perform different actions.

                 KEYBOARD AND MOUSE IN A LAPTOP


                 A  laptop  also has a keyboard  and  mouse
                 fixed on it. The keys on a laptop keyboard are                                           Keyboard

                 arranged closely and in a different way than
                 they are on a desktop keyboard but they work                                              Touchpad
                 in the same way.                                                                         Right button


                                                                             Left button



                                                                                    The Keyboard and the Mouse     45
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