Computer Hardware and Networking MCQ Quiz Hub

Graphics Hardware and Display devices Input Devices

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1. Which devices provides positional information to the graphics system ?




2. The number of pixels stored in the frame buffer of a graphics system is known as




3. In graphical system the array of pixels in the picture are stored in




4. Heat supplied to the cathode by directing a current through a coil of wire is called




5. The maximum number of points that can be displayed without overlap on a CRT is referred as




6. ________ stores the picture information as a charge distribution behind the phosphor-coated screen.




7. The devices which converts the electrical energy into light is called




8. In which system the Shadow mask methods are commonly used




9. The process of digitizing a given picture definition into a set of pixel-intensity for storage in the frame buffer is called




10. Which display devices allows us to walk around an object and view it from different sides.




11. In LCD the refresh rate of the screen is




12. Random-scan system mainly designed for




13. The primary output device in a graphics system is_________




14. On a black and white system with one bit per pixel the frame buffer is commonly called as




15. Aspect ratio means




16. The most commonly used input device is




17. Which keys allows user to enter frequently used operations in a single key stroke?




18. ________ are used to measure dial rotations.




19. The device which is used to position the screen cursor is




20. ______ is used for detecting mouse motion.




21. Trackball is




22. Space ball provide________ degree of freedom.




23. Which is the ball that can be rotated with the fingers or palm of the hand?




24. _______ is used for 3D positioning and modeling animation and other application.




25. Potentiometers mounted at the base of the joystick measures