Mouse is one unit of input (input device). The function of this tool is to move the pointer or cursor quickly. In addition, it can be as practical commands and faster than with a keyboard. Mouse began to be used to its full potential since the operating system was based GUI (Graphical User Interface). electrical signals as a mouse input device is generated by a small ball inside the mouse, according to the shifting or movement. Most of the three mouse buttons, generally only two buttons used are the left and right buttons. When the mouse is also equipped with roller button (scroll), where is the button located in the middle. The term referred to the suppression of the left click (Click) where the emphasis is going to function when the mouse is on a designated object, but if the object is not in a designated emphasis will be ignored. There are also other terms that referred to the shift (drag) that pressing the left mouse button without releasing the while being moved. Drag this will cause the object to be moved or copied to other objects and other possibilities. The emphasis of the left mouse button twice quickly and regularly referred to as a double click (double click) while pressing the right mouse button once referred to right-click (right click) Mouse consists of several port is a serial mouse, mouse ps / 2, usb and wireless .
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