Computers incorporate various pieces of equipment that allow the user to interact with the software. Since the idea of a Graphical User Interface (GUI) has been accepted, people rely on a mouse to move the "cursor" around the screen. Most of the time the "cursor" is simply an arrow that lets the user know where its position is on the screen. In addition to a mouse some people prefer trackballs. A mouse and a trackball
showed first 75 words of 475 total
showed last 75 words of 475 total
quickly as a hand may move.
Mice and trackballs are both used for the same reason and perform the same task. Mice need the ability to move and trackballs stay stationary. Trackballs are nice to use when limited space is available although not as precise movement can be made without practice. Mice are an average piece of equipment that needs some available workspace and even the beginning user can operate one with very little difficulty.