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    RAPID RECALL  Tick ( ) if you know this.

     1.  Special keys do not type letters or numbers.   Left-handed users can swap mouse buttons in the settings to use it easily.

     2.  There are two Shift keys on a keyboard.

                            TYPES OF MOUSE

     MOUSE           There are different types of computer mouse that help you control the

                     computer.
     A mouse is an input device that helps you interact with items on the screen.
     It is commonly used for selecting items, playing games and drawing pictures.   OPTICAL MOUSE

                     An optical mouse has an LED sensor on the underside that helps
     PARTS OF THE MOUSE  Scroll Wheel
                     the pointer on the screen to move. If you pick up the mouse, you
     The mouse has two buttons at the top and a scroll   Left   Right   will see a red-light glowing under it. An optical mouse may be
     wheel in the middle. These are described as follows:  Button  Button  wired or wireless.

        Left Button: This button is used to select things,

     like pictures or words.     WIRED MOUSE

        Right Button: This button is used to open   A wired mouse connects to the computer using a wire, which sends
     a shortcut  menu  or pop-up  menu  to  see   The first computer mouse was   signals to the computer.

     more options.  invented by Douglas Engelbart   WIRELESS MOUSE

        Scroll Wheel: The scroll wheel in the middle   in 1964.  A wireless mouse does not have a wire. It runs on battery and

     of the mouse allows you to scroll up and   connects to the computer using Bluetooth or USB.
     down on the screen.

                                     FINGER MOUSE

     HOLDING THE MOUSE               A finger mouse is a small device you wear on your finger, like a

                                     ring. It helps you move the pointer on the screen by tracking your
     While holding the mouse with your right hand keep the following points in mind:  finger’s movement.
        Position the palm on top of the mouse.
     Index   Middle
        Position your index finger on the left button.  Finger  Finger

        Position your middle finger on the right button.  Earlier, computers used a ball   Over  50%  of all types  of

        Hold the sides of the mouse using your thumb on   mouse with a ball underneath   computer  mouse  sold today
     one side and the ring finger and little finger on   to move the pointer.    are wireless.
     the other side.  Palm

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