Chartered Manager refers to a professional certification in management: C.Mgr., offered by the CIM Chartered Managers Canada; CMgr, offered by the Chartered Management Institute, U.K.
The DPI control is a physical switch on the top, bottom or side of your mouse. Press or slide the switch to adjust your mouse's sensitivity. Your mouse's LCD then displays the DPI setting, or you see a message on the monitor informing you of the DPI change.
There are three basic types of mice: 1  mechanical: Has a rubber or metal ball on its underside that can roll in all directions. 2  optomechanical: Same as a mechanical mouse, but uses optical sensors to detect motion of the ball. 3  optical: Uses a laser to detect the mouse's movement.