A computer mouse is a handheld Computer hardware is the physical tangible components that make up a computing system. This make-up includes parts such as the keyboard, mouse, monitor, CPU, RAM, Motherboard, hard drives among others.... More input device that controls a A cursor or pointer is an indicator used in computer user interfaces such as monitors or other display devices to show the current position of user interaction with the task at hand. The indicator here is usually represented as an arrow in the default state. Based on the function or the software the user is interfacing with, the cursor may... More in a A GUI or Graphical User interface is a form of user interface that allows users to interact with electronic devices through graphical windows, controls, icons and other like components. GUIs are highly visual and allow the user to interact with information and data by directly manipulating the visual representations of this information in contrast to command-line interfaces where all interaction... More used to control actions such as selecting objects, highlighting text, positioning the focus, activating menus, drawing, painting and more.
Depending on the device and underlying platform, in its most basic form, the mouse usually has one or more buttons, and a ball or laser underneath to control 2-dimensional movement and trigger actions.