WebCams are input devices commonly used to capture digital video to be displayed on the Web and to support video conferencing. This processes typically involves four steps.
Input. A WebCam continuously captures video and sends the images to your system unit.
Display. The video can be viewed directly on your monitor and/or over the Internet.
Web Site. The video or select images can be posted to a Web site or Weblog for others to view.
Video Conference. WebCams are often used to support video conferencing or the direct live face-to-face communications between individuals over the Internet.
To learn more about how WebCams works, click the link below and view the animation.
WebCam animation