2. The operations of most _________________ is based on the Standard Cathode ray tubes.
Correct : B. video monitors.
3. A beam of electrons emitted by an electron gun is also called as ______________.
Correct : C. cathode rays.
4. Expansion of DDA is ________________.
Correct : B. Digital Differential Analyzer.
5. Random scan displays are designed to draw all component lines at of a picture ______________ times each second.
Correct : B. 30 to 60.
6. In beam penetration method, ________________ layers of phosphor are usually used.
Correct : B. 2
7. In beam penetration method, ______________and____________ layers of phosphor are usually used.
Correct : A. red and green.
8. VDU is a ____________ device
Correct : C. peripheral.
9. The operation of the most video monitors is based on the____________ CRT.
Correct : C. standard.
10. In cathode ray tube, a beam of electrons is emitted ________________.
Correct : C. by an electron gun.
11. The negatively charged electrons inside the CRT are then accelerated towards the__________.
Correct : A. phosphor coating
12. The magnetic field produced by each pair of coils results in____________ deflection force.
Correct : A. transverse.
13. A major difference between phosphors is their _________________.
Correct : B. persistence.
14. The diagonal screen dimension of a personal computer system is given as the sizes varying from about
_____________ inches or more.
Correct : A. 12 to 21.
15. Picture definition is stored in ___________ buffer area in memory.
Correct : A. frame.
16. The rate at which the picture is redrawn on the screen is called ___________ rate.
Correct : B. refresh.
17. A system with 24 bites per pixel & a screen resolution of 1024 by 1024 requires____________________ mega byte of storage for frame buffer
Correct : C. 3.
18. In a black and white system ________________ per pixel is needed to control the intensity of screen positions.
Correct : B. 1 bit.
19. In a high quality system ________________ bits per pixel is needed to control the intensity of screen positions.
Correct : D. 24.
20. On a black and white system with one bit per pixel, the frame buffer is commonly called as ______________.
Correct : D. bitmap.
21. For systems with multiple bits per pixel, the frame buffer is commonly called as ______________.
Correct : A. pixmap.
22. Refresh rate near to ___________ frames per second is an effective technique for avoiding flicker.
Correct : A. 60.
23. Random scan monitors draw a picture ______________ at a time.
Correct : C. one line.
24. In raster scan system the ____________beam is swept across screen.
Correct : A. electron.
25. In raster scan system the electron beam is swept across screen from _____________.
Correct : B. top to bottom.
26. A CRT monitor displays color picture by using a combination of phosphor that emits light of __________ color
Correct : B. different.
27. Shadow mask methods are commonly used in raster scan system including _____.
Correct : D. color tv
28. In flat panel display the emissive displays are devices that converts electric energy into_____________.
Correct : C. light energy.
29. In liquid crystal display the flat panel device is referred to as a _____________LCD.
Correct : B. passive.
30. The refresh buffer also called a _______________ buffer.
Correct : A. frame.
31. Each screen point is referred to as a _______________.
Correct : B. pixel.
32. Refreshing on raster-scan displays is carried out at the rate of 60 to 80 _____________ per second.
Correct : D. frames.
33. The raster-scan systems, each frame is displayed in two passes using an____________ procedure.
Correct : A. interlaced refresh.
34. The magnetic field produced by each pair of coils results in a _______________. a. transverse deflection force.
Correct : A. transverse deflection force.
35. A property of video monitors is_________________.
Correct : D. aspect ratio.
36. Intensity of the electron beam is controlled by setting voltage levels on the________.
Correct : D. control grid.
37. The__________________ emits a small spot of light at each position contacted by the electron beam.
Correct : C. phosphor
38. The maximum number of points that can be displayed without overlap on a CRT is referred to as
its_____________.
Correct : C. resolution
39. Sterio scopic viewing is also a part in ________________.
Correct : A. virtual reality system.
40. The primary output devices in a graphics system is a __________________.
Correct : A. video monitor.
41. The focusing system in a CRT is needed to force the electron beam to converge into a _____________
as it strikes the phosphor.
Correct : B. small spot.
42. A shadow-mask CRT has______________ phosphor color dots at each pixel position.
Correct : C. three
43. The______________ shadow-mask method, is commonly used in color CRT systems.
Correct : A. delta-delta.
44. Color CRTs in graphics systems are designed as____________.
Correct : B. RGB monitors.
45. DVST stands for ________________.
Correct : C. Direct View Storage Tube.
46. The emissive displays are device that convert electrical energy into_____________.
Correct : A. light.
47. The plasma is also called as ____________ displays.
Correct : C. gas-discharge.
48. A beam of slow electrons excites only the outer____________ layer.
Correct : D. red
49. A beam of very fast electrons penetrates through the red layer and excites the inner_____________
layer.
Correct : B. green
50. LED stands for_______________.
Correct : C. Light Emitting Diode.
51. BSP Stands for________________.
Correct : B. Binary Space- Partitioning.
52. The simplest model for a light emitter is _______________.
Correct : D. point source.
53. _______________algorithm are broadly classified according to whether they deal with object
definitions directly or with their projected images.
Correct : C. Visible surface detection.
54. ________________is applied in an object by pre positioning along a straight line.
Correct : A. Translation.
55. A________ is a transformation that produces a mirror image of an object.
Correct : A. reflection.
56. ____________ generally refers to any time sequence of visual changes in a scene.
Correct : A. Computer animation.
57. A world coordinate area selected for display is called as_____________.
Correct : A. window.
58. One of the oldest and most popular line clipping procedure is___________.
Correct : C. Cohen-Sutherland Line Clipping.
59. A commonly used image space approach to detect visible surface is___________.
Correct : D. depth buffer method.
60. An illumination model is also called as_______________.
Correct : A. lighting model.
61. The scattered light is called as____________.
Correct : D. defuse reflection.
62. The area subdivision method takes advantage of area coherence in a scene by location of those view areas that represent the part of a ______________.
Correct : B. single surface.
63. Orthographic projection that display more than one face of an object is called __________________.
Correct : A. axonometric orthographic projection
64. Spotlights are used to control the amount of light emitted within a cone with apex at ______________
source position.
Correct : C. point
65. An area on a display device to which a window is mapped is called as___________.
Correct : C. view port.
66. The scaling transformation alters the size of an_________.
Correct : D. object
67. The set of unit vectors is called __________.
Correct : B. normal basis.
68. A matrix with a single row or a single column represents a__________.
Correct : A. vector.
69. The matrix with same number of rows and columns is called as____________.
Correct : A. square matrix.
70. Vector V is called the_____________.
Correct : B. view up vector.
71. The region against which an object is to be clipped is called as___________.
Correct : C. clip window
72. The two-dimensional viewing transformation is simply referred to as the window-to-viewport
transformation or the_______________.
Correct : C. windowing transformation.
73. A standard method for fitting a function to a set of data points is called as____________ algorithm.
Correct : C. least-squares
74. The three color parameters in HLS color model are _______________.
Correct : A. hue, lightness and saturation.
75. The depth-buffer method is also called as______________.
Correct : C. Z-buffer
76. CSG stands for
Correct : D. Constructive Solid Geometry.
77. The most straight forward method for defining a motion square is____________ specification.
Correct : D. direct
78. One of the most popular methods for finding roots of nonlinear equations is the____________
algorithm.
Correct : D. newton-raphson.
79. curve-fitting techniques are often used to specify the animation paths between___________.
Correct : B. key frames.
80. _______________ description is a typical task in an animation specification.
Correct : B. Scene
81. _____________ system allows object motion characteristics to be specified as part of the object
definitions.
Correct : D. Parameterized
82. We can also animate object along 2D motion paths using the_______________ transformations.
Correct : B. color-table
83. Constant-intensity shading is also called as____________ shading.
Correct : C. flat
84. A fast and simple method for rendering an object with polygon surfaces is called as _______________shading.
Correct : C. constant-intensity.
85. Procedure for determining visibility of object edges are referred to as____________ visibility methods.
Correct : C. wireframe
86. A drawback of the depth-buffer method is that it can only find one visible surface at each
____________ position.
Correct : D. pixel
87. The A-buffer has two fields, the depth field and _________field.
Correct : C. intensity
88. The A-buffer has two fields, the ____________field and intensity field.
Correct : C. depth
89. The parallelepiped is mapped into the unit cube in a normalized view volume called the______________ system.
Correct : D. normalized projection coordinate.
90. The emissive displays are devices that convert __________ energy to light
Correct : A. electrical.
91. The emissive displays are devices that convert electrical energy to _________.
Correct : A. light.
92. The non-emissive displays are devices that convert __________ to graphics pattern.
Correct : A. sunlight.
93. The non-emissive displays are devices that convert sunlight or light from other sources to _________.
Correct : A. graphics pattern.
94. ___________ is also called as gas-discharge displays.
Correct : B. Plasma panel.
95. RGB color system with 24 bits of storage is also called as ______ color system.
Correct : B. full
96. A three dimensional reflection can be performed relative to a selected reflection axis or with respect to
a selected_____________.
Correct : B. reflection plane
97. _______________ modeling packages often provide a number of construction techniques.
Correct : B. solid
98. ____________________representations are useful for constructing 3D objects that possess translational, rotations or other symmetries.
Correct : C. sweep
99. The primary output device in a graphics system is _____________.
Correct : D. Monitor
100. The operation of most video monitors is based on the standard ________.