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Function Keys

                 There are 12 function keys from F1 to F12 at the top of the keyboard. Each function

                 key has a different job to perform.

                    F1      F2      F3       F4      F5      F6       F7      F8      F9      F10     F11      F12




                                                            Function keys
                 Caps Lock Key

                                                                                                        Caps
                 This key is used to type letters in capitals. When we press Caps                       Lock
                 Lock key once on the keyboard, the Caps Lock light will turn on.
                                                                                                     Caps Lock key
                 You can then type capital letters.
                 For example:
                 When the Caps Lock is ON


                                         C       P        U               CPU
                                                                 →


                 Tab Key                                                                                Tab

                 You can press the Tab key to move the cursor several spaces
                 forward at once.                                                                         Tab key

                 Escape Key
                                                                                                           Esc
                 The short form of the Escape key is Esc. It is placed at the top-left
                 corner in most of the keyboards. This key allows us to cancel a task.
                                                                                                        Escape key

                     MOUSE

                 A mouse is a pointing device. It displays an arrow on the screen,

                 called as pointer.
                                                                                                  Computer mouse
                 Types of Computer Mouse


                 Have you seen different types of mouse? ............................
                 All computer mouse look same, but they are of different types. The different types
                 of mouse are:

                                       Optical Mouse

                                       An optical mouse is the most popular type of mouse. It has an

                                       LED sensor at its bottom that helps the pointer on the screen
                                       to move. If you pick up the mouse, you will see a red-light glow
                  Optical mouse        under it.


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