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Computer Graphics Practice Test: Basic of Computer Graphics
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Avg score: 80% • Most missed: “_________ is used for detecting mouse motion.”

Basic of Computer Graphics topics include: Ggraphics hardware, display and input devices.

Computer Graphics Practice Test: Basic of Computer Graphics
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25 Questions

1. Potentiometers mounted at the base of the joystick measures
2. The devices which converts the electrical energy into light is called
3. __________ allows screen positions to be selected with the touch of a finger.
4. What voice the use of voice system?
5. Which is the device that is constructed with the series of sensors that detects hand and finger motion?
6. The process of digitizing a given picture definition into a set of pixel-intensity for storage in the frame buffer is called
7. .________ stores the picture information as a charge distribution behind the phosphor-coated screen."
8. When a voice command is given, the system searches the _____________for a frequency-pattern match.
9. On a black and white system with one bit per pixel, the frame buffer is commonly called as
10. The device which is used to position the screen cursor is
11. Which of the following device is not the input device?
12. Which keys allows user to enter frequently used operations in a single key stroke?
13. Heat supplied to the cathode by directing a current through a coil of wire is called
14. Trackball is
15. ___________ can be used to determine the position on the data tablet.
16. Which devices provides positional information to the graphics system ?
17. Which is the ball that can be rotated with the fingers or palm of the hand?
18. The primary output device in a graphics system is_________
19. In graphical system, the array of pixels in the picture are stored in
20. The device which is designed to minimize the background sound is
21. _________ is used for detecting mouse motion.
22. Which device contains thumbwheel, trackball and a standard mouse ball?
23. The most commonly used input device is
24. Space ball provide________ degree of freedom.
25. The maximum number of points that can be displayed without overlap on a CRT is referred as

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