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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

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