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by hearts on June 5th, 2006

hearts

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How does a trackball work?

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  • by dab2001 on August 3rd, 2006

    dab2001

    Trackballs work the same as mice, except the ball is located on the top of the device. Instead of moving the entire device to change the cursor's position, you move the ball with your finger or thumb.

    Optical trackballs work with infrared light sensors and have tiny dots on the balls themselves. As you use the trackball, the optical sensors record the moving dots and send the data to the computer.
    http://www.enmu.edu/services/technology/computer/help/computer-care/information/15-mice.shtml

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