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    “The Mouse goes click-click.                                               Nice! Looks like you
                                It sounds tick-tick!                                                 know a lot about mouse.
                                                                                                       Bye! Take care, son.
                      It selects, drags and drops quick-quick”.

                      Test Your Knowledge                                                     21 st  Century   #Critical Thinking
                                                                                                  Skills
                       Identify and count the number of computer keyboards and mouse.

                                 Computer Keyboard                                                Computer Mouse

                     As  you  know  keyboard and  mouse are input  devices of  a computer. They tell the

                     computer what to do.

                     Let us learn more about them.

                     KEYBOARD

                     A board with buttons that we press to type letters, numbers, and other symbols on a
                     computer is known as keyboard. It is an input device. Generally, it has 104 keys.

                                                                                        The Keyboard and the Mouse     39

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