22318 Computer Graphics MCQ for 3rd semester computer engineering I scheme pdf
a. Drawing
b. Photograph, movies
c. Simulation
d. All of these
2. Computer graphics was first used by
a. William fetter in 1960
b. James fetter in 1969
c. James Gosling in 1991
d. John Taylor in 1980
3. The component of interactive computer graphics are
a. A light pen
b. Display unit
c. Bank of switches
d. All of these
4. Personal computer become powerful during the late
a. 1960
b. 1970
c. 1980
d. 1950
5. Three-dimensional computer graphics become effective In the late
a. 1960
b. 1980
c. 1970
d. 1950
6. which environment has been one of the most accepted tools for computer graphics in business and graphic design studios
a. graphics
b. Macintosh
c. quake
d. multimedia
7. Graphics is one of the_________ major key elements in the design of the multimedia application
a. Five
b. Three
c. Four
d. Eight
8. Three-dimensional graphics become popular in games designing, multimedia, and animation during the late
a. 1960
b. 1970
c. 1980
d. 1990
9. The quake, one of the first fully 3D games was released in the year
a. 1996
b. 1976
c. 1986
d. 1999
10. Types of computer graphics are
a. Vector and raster
b. Scalar and raster
c. Vector and scalar
d. None of these
11. Vector graphics are composed of
a. Pixels
b. Paths
c. Palette
d. None of these
12. Raster graphics are composed of
a. Pixels
b. Paths
c. Palette
d. None of these
13. Raster images are more commonly called
a. Pixmap
b. bitmap
c. both a & b
d. none of these
14. Pixel can be arranged on a regular
a. One-dimensional grid
b. Two-dimensional grid
c. Three-dimensional grid
d. None of these
15. The brightness of each pixel is
a. Compatible
b. Incompatible
c. Both a & b
d. None of these
16. Each pixel has ________basic color components
a. Two or three
b. One or two
c. Three or four
d. None of these
17. The quantity of an image depends on
a. No. of pixel used by image
b. No. of line used by image
c. No. of resolution used by image
d. None
18. Higher the number 0f pixels,_______ the image quality
a. Bad
b. Better
c. Smaller
d. None of above
19. A palette can be defined as a finite set of colors for managing the
a. Analog images
b. Digital images
c. Both a & b
d. None of these
20. Display cards are
a. VGA
b. EGA
c. Both a & b
d. None of above
21. Display card is used for the purpose of
a. Sending graphics data to the input unit
b. Sending graphics data to output unit
c. Receiving graphics data from the output unit
d. None of these
22. Several graphics image file formats that are used by most graphics systems are
a. GIF
b. JPEG
c. TIFF
d. All of these
23. The GIF format is much _________to be downloaded or uploaded over the www
a. Slower
b. Faster
c. Medium
d. None of these
24. Once a file is saved in JPEG format, some data is lost
a. Temporarily
b. Permanently
c. Both a & b
d. None
25. EPS image file format is used for
a. Vector graphics
b. Bitmap
c. Both a & b
d. None of these
26. TIFF (tagged image file format )are used for
a. Vector graphics
b. Bitmap
c. Both a & b
d. None of these
27. EPS means
a. Entire postscript
b. Entire post scale
c. Encapsulated postscript
d. None of these
28. The additive color models use the concept of
a. Printing ink
b. Light to display color
c. Printing line
d. None of these
29. The subtractive color model uses the concept of
a. Printing ink
b. Light to display color
c. Printing line
d. None of these
30. Color apparent in the additive model is the result of
a. Reflected light
b. Transmission of light
c. Flow of light
d. None of these
31. Color apparent in the subtractive model is the result of
a. Amount of Reflected light
b. Transmission of light
c. Flow of light
d. None of these
32. Two-dimensional color models are
a. RGB and CMYK
b. RBG and CYMK
c. RGB and CMYK
d. None
33. RGB models are used for
a. Computer display
b. Printing
c. Painting
d. None of these
34. CMYK models are used for
a. Computer display
b. Printing
c. Painting
d. None of these
35. The intersection of three primary RGB color produces
a. none color
b. Black color
c. Magenta color
d. #8775f5 color
36. The intersection of primary CMYK color produces
a. none color
b. Black color
c. Cyan color
d. Magenta color
37. The RGB model displays a much _______ percentage of the visible band as compared to CMYK
a. Lesser
b. Larger
c. Medium
d. None of these
38. Color depth can be defined by ________ which can be displayed on a display unit
a. Bits per pixel
b. Bytes per pixel
c. Megabyte per pixel
d. None of these
39. Each bit represent
a. One color
b. Two-color
c. Three color
d. None
40. RGB true color model has _______ color depth
a. 24bit
b. 32bit
c. 64bit
d. None
41. CMYK true color model has _______ color depth
a. 24bit
b. 32bit
c. 64bit
d. None
42. Greyscale images have a maximum color depth of
a. 8bit
b. 16bit
c. 24bit
d. 32bit
43. Graphics with limited features is known as
a. Active graphics
b. Passive graphics
c. Grayscale image
d. None of these
44. Computer of the present time have much higher memory and ________ storage capacity
a. Much smaller
b. Much bigger
c. Much slower
d. None
45. CRT means
a. Common ray tube
b. Cathode ray tube
c. Common ray tube
d. None
46. Refresh CRT consist of
a. Glass wrapper
b. The phosphor viewing surface
c. The electron gun assembly
d. All of above
47. The amount of time the phosphor produces light or shine is controlled by the chemical composition of the phosphor. This is known as
a. Persistence
b. Resistance
c. Generators
d. None
48. The electron beam in a color picture tube is refreshed_______ times in a second to make the video realistic
a. 15 times
b. 25 times
c. 35 times
d. 45 times
49. DUST means
a. Direct view storage tube
b. Domain view storage tube
c. Direct view store tube
d. None
50. DUST is rarely used today as part of
a. Input device
b. Output device
c. Display systems
d. None
51. In DUST, is there a refresh buffer
a. Yes
b. No
c. Both
d. None
52. The electron beam in DUST is designed to draw directly to
a. Phosphor
b. Storage mesh
c. Glass
d. None
53. The second grid in DUST is called
a. Phosphor
b. Storage mesh
c. Collector
d. None
54. To increase the energy of these slow-moving electrons and create a bright picture in DUST, the screen is maintained at a
a. Low positive potential
b. High negative potential
c. High positive potential
d. None
55. A major disadvantage of DUST in interactive computer graphics is
a. Ability to selectively erase part of an image
b. Inability to selectively erase part of the image from the screen
c. Inability to produce a bright picture
d. None
56. Interactive graphics is useful in
a. Training pilots
b. Computer-aided design
c. Process control
d. All of these
57. The origin of computer graphics was developed in
a. 1950
b. 1960
c. 1970
d. 1990
58. The term business graphics came into use in late
a. 1950
b. 1960
c. 1970
d. 1990
59. Computer graphics is used in many DTP software as
a. Photoshop
b. Paintbrush
c. Both a & b
d. None of these
60. Any CRT based display must be refreshing at least_______ times a second
a. 20
b. 30
c. 40
d. 10
61. standardization is needed
a. To make application programs more portable
b. To increase their utility
c. To allow them to use in the different application environment
d. All of these
62. GKS stands for
a. Graphics kernel system
b. Graphics kernel stands
c. Generic kernel system
d. None of these
63. GKS was developed by the
a. International standards organization
b. National standard organization
c. Both a & b
d. None of these
64. The resolution of the raster scan display is
a. Low
b. High
c. Medium
d. None
65. Random scan systems are designed for
a. Line drawing application
b. Pixel drawing application
c. Color drawing application
d. None of these
66. Solid pattern in random scan display is ____ to fill
a. Difficult
b. Easy
c. Not fill
d. None of these
67. Raster scan is _______ expensive than random scan
a. More
b. Less
c. Both a & b
d. None
68. Two basic techniques for producing color display with a CRT are
a. Shadow mask and random scan
b. Beam penetration method and shadow mask method
c. Random scan and raster scan
d. None of above
69. In beam penetration method of color CRT, two-layer of phosphor-coated are
a. Red and #8775f5
b. Red and green
c. #8775f5 and green
d. None of these
70. In beam penetration method of color CRT, which layer is red and which is green
a. Outer is red and inner is green
b. Inner is red and outer is green
c. Inner is red and inner is green
d. None
71. A shadow mask CRT has _____ phosphor color dots at each pixel position
a. 1
b. 2
c. 3
d. None of these
72. Which color is produced with the green and red dots only
a. #8775f5
b. Yellow
c. Magenta
d. none
73. Which color s produced with the #8775f5 and red dots
a. #8775f5
b. Yellow
c. Magenta
d. none
74. Cyan color is produced when the #8775f5 and green are activated
a. Equally
b. Unequally
c. Both a & b
d. None
75. Which technique of color CRT is used for the production of a realistic image
a. Shadow mask method
b. Beam penetration method
c. Both a & b
d. None of these
76. In which method of CRT, convergence problem occur
a. Beam penetration method
b. Shadow mask method
c. Both a & b
d. None of these
77. Beam penetration method is used in
a. Random scan system
b. Raster scan system
c. Both a & b
d. None of these
78. Shadow mask method is used in
a. Random scan system
b. Raster scan system
c. Both a & b
d. None of these
79. Graphics data is computed by a processor in the form of
a. Electrical signals
b. Analog signals
c. Digital signals
d. None of these
80. An example of an impact device is
a. Electrostatic printer
b. Inkjet printer
c. Line printer
d. Laser printer
81. To generate the characters, which are required
a. Hardware
b. Software
c. Both a & b
d. None of these
82. The method which uses an array of dots for generating a character is called
a. Stoke method
b. Bitmap method
c. Star bust method
d. None of these
83. The hardware devices contain
a. Color printer / black none printer
b. Plotters
c. Both a & b
d. None
84. An example of a black and none laser printer is
a. HP 4000
b. QMS
c. Both a & b
d. None
85. An example of a color printer is
a. HP 4000
b. QMS
c. Both a & b
d. None
86. Nonimpact use various techniques to combine three color pigment ______ to produce a range of color patterns
a. Cyan, magenta, and yellow
b. Cyan, none and black
c. Cyan, none and yellow
d. Black, magenta, and yellow
87. Printers produce output by either
a. Impact method
b. Nonimpact method
c. Both a & b
d. None of these
88. What is the name of temporary memory where the graphics data is stored to be displayed on the screen
a. RAM
b. ROM
c. Frame buffer
d. None
89. The division of the computer screen into rows and columns that define the no. of pixels to display a picture is called
a. Persistence
b. Resolution
c. Encapsulated postscript
d. None
90. LCD means
a. Liquid crystal displays
b. Liquid crystal data
c. Liquid chrome data
d. None
91. LCDs is commonly used in
a. Calculators
b. Portable
c. Laptop computers
d. All of these
92. LCD is an ______ device
a. Emissive
b. Nonemissive
c. Gas discharge
d. None of these
93. Plasma panel is an __ device
a. Emissive
b. Nonemissive
c. Expensive
d. None
94. Plasma device converts
a. Electrical energy into light
b. Light into electrical energy
c. Light into graphical energy
d. None of these
95. Plasma panel have_________ resolution
a. High
b. Good
c. Both a & b
d. Low
96. Plasma panels are also called
a. Liquid crystal display
b. Gas discharge display
c. Nonemissive display
d. None of these
97. The basic graphical interactions are
a. Pointing
b. Positioning
c. Both a & b
d. None
98. GUI means
a. Graphical user interface
b. Graphical user interaction
c. Graphics uniform interaction
d. None
99. Which one is the basic input device in GUI
a. Mouse
b. Graphics tablet
c. Voice system
d. Touch panel
100. Pen or inkjet plotters use the following devices
a. Drum
b. Flatbed
c. Both a & b
d. None of these
101. A technique by which the vertical and /or horizontal scan frequency of video signal can be changed for different purposes and applications is called
Scan conversion
Polygon filling
Two-dimensional graphics
Anti-aliasing
102. The method which performs the scan conversion by using a large number of delay cells are called
Analog method
Digital method
Complex method
None of these
103. The digital method is also known as
Normal method
Buffered method
Real-time method
None of these
104. The analog method is also known as
Normal method
Buffered method
Real-time or memoryless method
None of these
105. The digital method allows a picture to be stored inline or frame buffer with
Same speed
Different speed
Both a & b
None of these
106. A pixel may be defined as
Smallest size object
Larger size object
Medium size object
None of these
107. A position in-plane is known as
Line
Point
Graphics
None of these
108. A line can be represented by
One point
Two points
Three points
Four points
109. The process of coloring the area of a polygon is called
Polygon filling
Polygon flow
Aliasing
None of these
110. How many types of polygon filling
Two
One
Three
Four
111. The algorithm used for filling the interior of a polygon is called
Flood fill algorithm
Boundary fill algorithm
Scan line polygon fill algorithm
None of these
112. The function of scan line polygon fill algorithms is
Find intersection point of the boundary of polygon and scan line
Find intersection point of the boundary of polygon and point
Both a & b
None of these
113. If the pixel is already filled with the desired color then leaves it otherwise fills it. this is called
Flood fill algorithm
Boundary fill algorithm
Scan line polygon filling algorithm
None of these
114. A vector can be defined as
Intersection b/w two-point position
Difference b/w two-point position
Comparison b/w two-point position
None of these
115. Bresanham circle algorithm uses the approach of
Midpoint
Point
Line
None of these
116. The side effect of scan conversion is
Aliasing
Anti-aliasing
Both a & b
None of these
117. The process of reducing aliasing is called
Resolution
Anti-aliasing
Sampling
None of these
118. Two basic techniques for anti-aliasing in ray tracing algorithms are
Pixel sampling and supersampling
Adaptive sampling and supersampling
Pixel sampling and supersampling
None of these
119. The problem of aliasing is
Staircase
Unequal brightness
Picket fence problem
All of these
120. The technique to minimize aliasing is
Increased no of resolution
Modify pixel intensities
Supersampling
All of these
121. Lower persistence phosphorus is used in
Animation
Simple object
Complex object
All of these
122. Lower persistence phosphorus needs_________ refresh rate
Lower
Higher
Medium
None of these
123. Higher persistence phosphorus needs _________ refresh rate
Lower
Higher
Medium
None of these
124. Higher persistence phosphorus is used in
Animation
Simple object
Higher complex object
All of these
125. Phosphorus are of various types depending on
color
persistence
both a & b
none of these
Reference:
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