Comparson Of Mouse And Trackba

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time than using the whole hand. Therefore, the mouse and the trackball are different in their shape but they both perform the same task.
A trackball is stationary and therefore minimal; space is needed to allow movement while a mouse needs to move to perform its task. Both devices have buttons on the top, usually two or three depending on the manufacturer, that allows the user to select items on the screen, almost acting like an "enter" button. After having experience
with both devices, I have found the trackball is the choice to make when purchasing a user interface device of this type. While mice are easier for the beginning user to control due to the fact that a hand is easier to move in any direction compared to a thumb, a trackball does not require total hand and arm movement to move the cursor around the screen. Instead the user�s hand can stay stationary and movement of the thumb is all that is needed to direct the cursor. On the other hand, a user�s thumb may be ...

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