Use "trackball" in a sentence
1. Alternatively a compatible trackball and/or touchpad pointing device may be used instead of a mouse.
2. The icons are generally activated by an on-screen pointer controlled by a mouse or trackball.
1. Alternatively a compatible trackball and/or touchpad pointing device may be used instead of a mouse.
2. The icons are generally activated by an on-screen pointer controlled by a mouse or trackball.