trackball

• Dispositivo eletrônico de entrada que consiste em uma esfera giratória embutida em uma base, usada para controlar o cursor e navegar por imagens na tela do computador.

An electronic input device that consists of a rotatable ball housed in a casing, used to control the cursor and navigate images on a computer screen.

1. Input deviceB2formalIT

   An electronic device with a rotatable ball in a housing, used to control the cursor and move images on a computer screen.

   Dispositivo de entrada

   • The graphic designer prefers using a trackball over a mouse for precision work.
   • He replaced his mouse with a trackball to reduce wrist strain.
   • The trackball's ball can be rotated with the thumb or fingers to move the cursor.