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input devices [4]click to hear

Electronic devices used to transmit data and commands to a computer.
input devices [4] optical mouse optical sensor wheel mouse control button scroll wheel cable cordless mouse

optical mouse click to hear

Mouse in which the ball is replaced by an optical system (light-emitting diode and sensor); it has no movable parts.

optical sensor click to hear

Device that measures the mouse’s movements by analyzing the light rays (emitted by a diode) reflected from its support surface.

wheel mouse click to hear

Mechanical or optical mouse that contains a scroll wheel.

control button click to hear

Button that transmits various commands to the computer.

scroll wheel click to hear

Thumb wheel used to scroll down the contents of a window without using the scroll bar.

cable click to hear

Flexible cable containing the conductors by which the mouse is attached to the computer.

cordless mouse click to hear

Mechanical or optical mouse connected to the computer by infrared or radio signals.