How did Engelbart's first computer mouse track motion?
Lasers
Wheels
Trackpad
Gyroscope
Answer
Wheels. Engelbart's first computer mouse employed wheels as its primary tracking mechanism. These wheels, positioned perpendicular to each other within the device, detected their rotation as the mouse moved in different directions. This rotational motion was converted into signals representing the mouse's movements, allowing it to accurately track and respond to the user's hand movements.
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