What is computer mouse?
Computer Mouse The mouse is an example of a pointing device. A ball is used underneath the mouse to detect movement, so by moving the mouse around the user can control the position of a pointer on the screen. There are usually two buttons, which have different functions: very often the left button is used to select something by double-clicking it and the right button brings up drop-down menus. Many mice also have a scroll button, which speeds up the process of moving through a document. Recent developments have produced the optical mouse (where movement is detected by reflected light rather than the position of a moving ball) and the cordless mouse (which is an example of a wireless device). The advantage of an optical mouse is it has no moving parts and it also doesn’t pick up any dirt. This makes it more robust and improves its performance since the older type of mouse can ‘skid’ on certain surfaces reducing the control of the pointer. Uses Mice can be used for opening, closing, and