Most operating systems allow the user to choose another appearance for the cursor. Typically, the pointing cursor is an arrow and the text entry position cursor is a blinking underscore or vertical bar. The user uses the pointing cursor and special input buttons to establish where the position indicator cursor will be or to select a particular program to run or file to view. In an operating system with a graphical user interface ( GUI), the cursor is also a visible and moving pointer that the user controls with a mouse, touch pad, or similar input device. 1) A cursor is the position indicator on a computer display screen where a user can enter text.
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