COMPUTER ARCHITECTURE
INPUTOUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Touchpad
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Mouse
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Trackball
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Keyboard
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Detailed explanation-1: -A trackball is a computer cursor control device used in many laptop computer keyboards and older versions of computer mice. The device comprises a ball held by a socket containing sensors to detect a rotation of the ball about two axes–like an upside-down mouse with a ball in it.
Detailed explanation-2: -A trackball is an input device which comprises of a exposed protruding ball held by a socket having sensors for detecting the ball’s rotation.
Detailed explanation-3: -A touchpad consists of a few thin layers of capacitive material, while a trackball uses physical contacts to detect the movement of its ball. As such, touchpads can be made thinner than even small trackballs, and do not protrude from the laptop chassis itself.