The mouse is an external input device for computers and an indicator for the vertical and horizontal coordinate positioning of computer display systems. It is named after its mouse like appearance (used in Hong Kong and Taiwan as a mouse). The standard name for it should be "Mouse", also known as "Mouse" in English. The use of a mouse is to make computer operations more convenient and efficient, replacing the tedious instructions of a keyboard. With the development of technology, mice are further divided into wired mice and wireless mice.