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how a mouse works
Member rating: No Rating | Words: | Submitted: Mon Mar 12 2007
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How a Mouse Works The mouse sounds pretty simple, but can tend to be a complicated tool. In most mice today, a rubber ball controls the movement of an arrow on the screen, called a cursor, and manipulates data. Connected to the ball, there are small wheels controlled by the ball's movement for the horizontal and vertical axes. To interpret the balls movement and send the signal to the computer, each of the wheels contain slots allowing light to shine through and produce electrical signals in which a light-emitting diode (LED) and photodiode decode the ball's rolling movements. The signal is then sent through a connecting cable to the computer, which reads the signal sent by the mouse and outputs the result to the cursor on the screen. This action allows the cursor to move about the terminal to the place desired. Now, the mouse buttons come in. To actually manipulate...
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