COMPUTER SCIENCE AND ENGINEERING
COMPUTER GRAPHICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Optical Sensor
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Rollers on the bottom of mouse
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Both a and b
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Sensor
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Detailed explanation-1: -Answer: c Explanation: Rollers and optical sensors are used to record the amount and direction of movement.
Detailed explanation-2: -The correct answer is Trackball. A trackball is an input device used to enter motion data into computers or other electronic devices. Trackballs designed for computers usually serve as mouse replacements and are essentially used to move the cursor on the screen.
Detailed explanation-3: -The correct answer is an Input device. Key Points. A trackball is an Input device. A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axis-
Detailed explanation-4: -Which device contains thumbwheel, trackball and a standard mouse ball? Explanation: These 3 buttons are the Z mouse features.
Detailed explanation-5: -Which device is used to input two-dimensional coordinates by activating a hand cursor on a flat surface? Explanation: Graphic tablet are also called data tablet.