题目内容
Type of keyboard that uses a touch screen as the input device.
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A keyboard key, like Caps Lock, that turns a feature on or off is called a _______ key.
This type of mouse emits and senses light to detect mouse movement.
The study of human factors related to things people use.
These screens can be touched with more than one finger, which allows for interactions such as rotating graphical objects on the screen with your hand or zooming in and out by pinching and stretching your fingers.
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