MCQ on Computer Graphics

Computer Graphics

Set - 1

1. Interactive computer graphics uses various kind of input devices such as
1. Mouse
2. Graphic tablet
3. Joystick
4. All of these
2. Input function are used for
1. Control the data flow from these interactive devices
2. Process the data flow from these interactive devices
3. Both a & b
4. None of these
3. A  graphics package contains
1. No of housekeeping task such as clearing a display screen
2. No of housekeeping task such as initializing parameters
3. Both a & b
4. None of these
4. The interactive computer graphics involves________ way communication b/w computer and the user
1. One
2. Two
3. Three
4. four
5. Interactive computer graphics enables a user to customize the graphics in _______
1. Computer way
2. His own way
3. Both a & b
4. None of these
6. User can make any change on image with the use of
1. Non-interactive graphics
2. Interactive graphics
3. Both a & b
4. None of these
7. The application area of computer graphics are
1. Political
2. Education and textbook
3. CAD and entertainment
4. All of these
8. CAD means
1. Car aided design
2. Computer art design
3. Computer aided design
4. None of these
9. DTP means
1. Draw top publishing
2. Desk top publishing
3. Desk town publishing
4. None of these
10. PCBs can be drawn using the computer graphics
1. In very efficiently way
2. In a shorter time
3. In a larger time
4. Both a & b
11. How many components of Interactive computer graphics are
1. One
2. Two
3. Three
4. four
12. What are the components of Interactive computer graphics
1. A digital memory or frame buffer
2. A television monitor
3. An interface or display controller
4. All of these
13. A display controller serves to pass the contents of
1. Frame buffer to monitor
2. Monitor to frame buffer
3. Both a & b
4. None of these
14. The image is passed repeatedly to the monitor _____in order to maintain a steady picture on the screen
1. 25 times a second
2. 30  times a second
3. 30 or more times a second
4. None of these
15. To store black and white images ,black pixels are represented by________ in the frame buffer and white pixels by_______
1. Zero and one
2. One and Zero
3. Both a & b
4. None of these
16. A 16*16array of black and white pixels could be represented by________
1. 64bytes
2. 32bytes
3. 128bytes
4. 96bytes
17. The display controller converts 0s and 1s into_______
1. TV monitor
2. Video signal
3. Electronics signal
4. None of these
18. The image can be transmitted to the display point by________
1. Line
2. Segment
3. Point
4. None of these
19. Which graphics application provides a proper dialogue box to help the user
1. MS excel
2. MS Paint
3. MS word
4. None of these
20. The area of computer that is captured by an application is called
1. Window
2. View port
3. Display
4. None of these
21. A basic interactive picture construction technique are
1. Positioning and pointing, constraints
2. Grid, gravity field, rubber band method
3. Sketching, dragging, inking and painting
4. All of these
22. The movement of different attributes of image would make the image dynamic and such a dynamic effect is termed as ________
1. Picture
2. Animation
3. Painting
4.  None of these
23. Graphics output devices are
1. Graphics tablet, mouse
2. Keyboard
3. Light pen, joystick
4. None of these
24. Which method are used to get and set the position of a pixel, object or text in active area of a desktop
1. Drugging method
2. Basic positioning method
3. Sketching method
4. Gravity field method
25. The center of display screen is computed as
1. X _max ,y _max
2. X_max/2,y_max/2
3. X_max/3,y_max/3
4. None of these
26. The operation that is used for repositioned the object are called
1. Rubber band method
2. Gravity field
3. Dragging
4. None of these
27. Which method are used to construct and position the straight lines, arcs and circles, etcs
1. Rubber band method
2. Gravity field
3. Dragging
4. None of these
28. Which are used to connect a line to already drawn line
1. Rubber band method
2. Gravity field
3. Dragging
4. None of these
29. The rubber band is also applicable to_______ objects
1. Scale
2. Scalar
3. Vector
4. None of these

30.   The division displayed on screen into row and columns is known as

1. Rubber band method
2. Gravity field
3. Dragging
4. Grid
30. The function of a plotter is like a
1. Monitor
2. Projector
3. printer
4. None of these
31. A plotter is capable of
1. Printing a map
2. Printing a similar images
3. Both a & b
4. None of these
32. ______ ink is used in laser printer
1. Wet
2. Dry
3. Both a & b
4. None of these
33. The cabinet in laser printer in which the ink is filled is called
1. Cartage
2. Toner
3. Both a & b
4. None of these
34. An inkjet printer places_______ of ink onto paper to print an image
1. Small droplets
2. large droplets
3. Both a & b
4. None of these
35. The size of these dot in inkjet printer usually lies between
1. 50 to60 microns in diameter
2. 20 to30 microns in diameter
3. 30 to40 microns in diameter
4. 10 to20 microns in diameter
36. The speed of printing in inkjet printer is
1. Fast
2. Slow
3. Not fast nor slow
4. None of these
37. The inkjet printer is mostly common due to their
1. Low cost
2. Performance
3. Both a & b
4. None of these
38. LCD stands for
1. Liquid core display
2. Liquid crystal display
3. Liquid crystal diagram
4. None of these
39. The LCD projector is the output device that is connected to the
1. Monitor
2. LCD
3. CPU
4. None of these
40. The size of the projected contents in LCD projector depends on the distance between
1. Projector and CPU
2. Projector and target screen
3. Projector and target memory
4. None of these
41. An LCD projector displays the contents in ________ manner than a simple monitor
1. Less flexible
2. More flexible
3. Inflexible
4. None of these
42. How many types of LCD projector
1. 1
2. 2
3. 3
4. 4
43. The types of LCD projector are
1. Flat panel and laser
2. Normal and roof mounted
3. Mesh model and curved
4.  None of these
44. The roof mounted projector are fixed on the
1. Floor
2. Roof
3. Corner
4. None of these
45. The roof mounted projector can connect two or more computers or laptops in______
1. Serial
2. Parallel
3. Both a & b
4. None of these
46. The roof mounted projector are also enabled to take
1. Computer data
2. Printing data
3. Both a & b
4. None of these
47. The roof mounted projector takes computer data via a cable through
1. Serial port
2. Parallel port
3. Both a & b
4. None of these
48. The roof mounted projector are Bluetooth
1. Enabled
2. Disabled
3. Both a & b
4. None of these
49. The flat panel displays are________ in appearance
1. Flat
2. Curved
3. Both a & b
4. None of these
50. A touch screen display is an
1. Input device
2. Output device
3. Both a & b
4. Neither input nor output
51. The touch screen display shows the results of
1. Computation
2. Accept command  and data from user for further computation
3. Both a & b
4. None of these
52. The flat panel display is called an
1. LCD monitor
2. LED monitor
3. Both a & b
4. None of these
53. A graphics tablet works on same principal as
1. Light pen
2. Monitor
3. Projector
4. None of these
54. The voice recognition system takes the command from the user in the form of
1. Writing
2. Voice
3. Both a& b
4. None of these
55. In the voice recognition system ,the voice is converted into
1. Machine code
2. Byte code
3. Electrical signal
4. None of these
56. A joystick is a
1. Graphics input device
2. Graphics output device
3. Both a & b
4. None of these
57. A joystick is consisting of a
1. Pen
2. Stick
3. Microphone
4. None of these
58.  joystick are often used to control
1. Typing
2. Video games
3. Voice
4. None of these
59. The  joystick often has _____ fire buttons to trigger some kind of action
1. One
2. More
3. Both a & b
4. None of these
60. In which year ,mostly modern joystick use a USB interface for connection to the personal computer
1. 2005
2. 2007
3. 2006
4. 2008
61. The light pen is an
1. Graphics input device
2. Graphics output device
3. Both a & b
4. None of these
62. The functioning of a light pen is similar to mouse except that
1. User can move the pointer
2. User can select objects on the display screen by pointing to object with the pen
3. Both a & b
4. None of these
63. A wireless mouse works on
1. Infra blue radiation
2. Infra red radiation
3. Infra green radiation
4. None of these
64. A wireless mouse consists of ______parts
1. One
2. Two
3. Three
4. None of these
65. The parts of wireless mouse is
1. Cable and a mouse
2. USB and a mouse
3. CPU and a mouse
4. None of these
66. The mouse’s motion typically translates into
1. Motion of a pointer on a display
2. Motion of a pointer on a CPU
3. Both a & b
4. None of these
67. How many types of keyboard
1. 1
2. 2
3. 3
4. 4
68. Types of keyboard are
1. Standard
2. Gaming and multimedia
3. Thumb sized
4. numeric
5. all of these
69. Which are used to achieve the predetermined orientations and alignments of the objects
1. Constraints
2. Grid
3. Gravity field
4. None of these
70. The major constraints are
1. Horizontal alignment
2. Vertical alignment
3. Both a & b
4. None of these

Set - 2

1. Basic geometric transformation include

1. Translation
2. Rotation
3. Scaling
4. All of these

2. Some additional transformation are

1. Shear
2. Reflection
3. Both a & b
4. None of these

3. The transformation in which an object is moved in a minimum distance path from one position to another is called

1. Translation
2. Scaling
3. Rotation
4. Reflection 

3. The transformation in which an object is moved from one position to another in circular path around a specified pivot point is called

1. Translation
2. Scaling
3. Rotation
4. Reflection

5. The transformation in which the dimension of an object are changed relative to a specified fixed point is called

1. Translation
2. Scaling
3. Rotation
4. Reflection

6. The selection and separation of a part of text or image for further operation are called

1. Translation
2. Shear
3. Reflection
4. Clipping

7. The complex graphics operations are

1. Selection
2. Separation
3. Clipping
4. None of these

8.  In computer graphics, a graphical object is known as

1. Point
2. Segment
3. Parameter
4. None of these

9. An object can be viewed as a collection of

1. One segment
2. Two segment
3. Several segments
4. None of these

10. Every segment has its own attributes like

1. Size, visibility
2.  Start position
3. Image transformation
4. All of these

11. By using the attributes of segment , we can________ any segment

1. Change
2. Control
3. Print
4. None of these 

11. A two-dimensional array contain the details of all the segment are called

1. Segmentation table
2. Segment name
3. Operation
4. None of these 

12. We assign all the attributes of segment under this

1. Segment name
2. Segment size
3. Array
4. None of these

14. The initial size of segment will be_______

1. 1
2. 0
3. 2
4. 3

15. The removal of a segment with its details are called

1. Alter the segments
2. Deletion of segments
3. Closing the segment
4. None of these

16. Deletion of any segment is much________ than creation of any new segment

1. Easier
2. Difficult
3. Higher
4. None

17. _______is very important in creating animated images on the screen

1. Image transformation
2. Morphing
3. Clipping
4. None  of these

18. Which attributes of image transformation change the size of an image corresponding to the x-axis and y-axis

1. SCALE-X
2. SCALE-Y
3. Both a & b
4. None of these

19. Which attributes of image transformation change the position of image corresponding to the x-axis and y-axis

1. TRANSLATE-X
2. TRANSLATE-Y
3. Both a & b
4. None of these 

19. Which attributes of image transformation rotate the image by a given angle

1. TRANSLATE-X
2. TRANSLATE-Y
3. Both a & b
4. None of these

21. Which attributes of image transformation rotate the image by a given angle

1. ROTATE-X
2. ROTATE-Y
3. Both a & b
4. None of these

22. The graphics method in which one object is transformed into another object are called

1. Clipping
2. Morphing
3. Reflection
4. Shear

23. Example of morphing are

1. Oil takes the shape of a car
2. A tiger turns into a bike
3. Both a & b
4. None of these 

23. A many sided figure is termed as

1. Square
2. Polygon
3. Rectangle
4. None

25. The end point of polygon are called as

1. Edges
2. Vertices
3. Line
4. None of these

26. The line segment of polygon are called as

1. Edges
2. Vertices
3. Line
4. None of these

27. How many types of polygon are

1. One
2. Two
3. Three
4. Four

28. What are the types of polygon

1. Convex polygon
2. Concave polygon
3. Both a & b
4. None of these

29. If a line joining any of its two interior points lies completely within it are called

1. Convex polygon
2. Concave polygon
3. Both a & b
4. None of these

30. If a line joining any two of its interior points lies not completely inside are called

1. Convex polygon
2. Concave polygon
3. Both a & b
4. None of these 

30. In which polygon object appears only partially

1. Convex polygon
2. Concave polygon
3. Both a & b
4. None

32.   If the visit to the vertices of the polygon in the given order produces an anticlockwise loop are called

1. Negatively oriented
2. Positively oriented
3. Both a & b
4. None of these 

32. If the visit to the vertices of the polygon in the given order produces an clockwise loop are called

1. Negatively oriented
2. Positively oriented
3. Both a & b
4. None of these

34. Which things are mainly needed to make a polygon and to enter the polygon into display file

1. No of sides of polygon
2. Vertices points
3. Both a & b
4. None of these

35. Two types of coordinates are

1. Positive and negative coordinates
2. Absolute and relative coordinates
3. Both a & b
4. None

36. Which approaches are used for determine whether a particular point is inside or outside of a polygon

1. Even-odd method
2. Winding number method
3. Both a & b
4. None of these 

36. The transformation that produces a parallel mirror image of an object are called

1. Reflection
2. Shear
3. Rotation
4. Scaling

38. The transformation that disturbs the shape of an object are called

1. Reflection
2. Shear
3. Rotation
4. Scaling

39. The process of mapping a world window in world coordinate system to viewport are called

1. Transformation viewing
2. View Port
3. Clipping window
4. Screen coordinate system

40. In which transformation the shape of an object can be modified in x-direction ,y-direction as well as in both the direction depending upon the value assigned to shearing variables

1.  Reflection
2. Shearing
3. Rotation
4. Scaling

41. The process of extracting a portion of a database or a picture inside or outside a specified region are called

1.  Translation
2. Shear
3. Reflection
4. Clipping

42. The rectangle portion of the interface window that defines where the image will actually appear are called

1. Transformation viewing
2. View port
3. Clipping window
4. Screen coordinate system

43. The space in which the image is displayed are called

1. Screen coordinate system
2. Clipping window
3. World coordinate system
4. None of these

44. The rectangle space in which the world definition of region is displayed are called

1. Screen coordinate system
2. Clipping window or world window
3. World coordinate system
4. None of these

45. The object space in which the application model is defined

1. Screen coordinate system
2. Clipping window or world window
3. World coordinate system
4. None of these 

45. The process of cutting off the line which are outside the window are called

1. Shear
2. Reflection
3. Clipping
4. Clipping window

47. Some common form of clipping include

1. curve clipping
2. point clipping
3. polygon clipping
4. All of these

48. A composite transformation matrix can be made by determining the ________of matrix of the individual transformation

1. Addition
2. Subtraction
3. Product
4. None of these

49. Each successive transformation matrix _________ the product of the preceding transformation

1. pre-multiples
2. post-multiples
3. both a & b
4. none of these

50. Forming products of transformation matrices is often referred as

1. Composition of matrix
2. Concatenation of matrix
3. Both a & b are same
4. None of these

51. The alteration of the original shape of an object, image, sound, waveform or other form of information are called

1. Reflection
2. Distortion
3. Rotation
4. None of these

52.  Two consecutive translation transformation t1 and t2 are

1. Additive
2. Subtractive
3. Multiplicative
4. None of these

53. Two consecutive rotation transformation t1 and t2 are

1. Additive
2. Subtractive
3. Multiplicative
4. None of these 

53. Two consecutive scaling transformation t1 and t2 are

1. Additive
2. Subtractive
3. Multiplicative
4. None of these

Set - 3

A technique by which the vertical and /or horizontal scan frequency of video signal can be changed for different purpose and applications  is called

1. Scan conversion
2. Polygon filling
3. Two dimensional graphics
4. Anti aliasing

The method which perform the scan conversion by using large number of delay cells are called

1. Analogue method
2. Digital method
3. Complex method
4. None of these

Digital method is also known as

1. Normal method
2. Buffered method
3. Real time method
4. None of these

Analogue method is also known as

1. Normal method
2. Buffered method
3. Real time or memory less method
4. None of these

Digital method allows a picture to be stored in line or frame buffer with

1. Same speed
2. Different speed
3. Both a & b
4. None of these

A pixel may be defined as

1. Smallest size object
2. Larger size object
3. Medium size object
4. None of these

A position in plane known as

1. Line
2. Point
3. Graphics
4. None of these

A line can be represented by

1. One point
2. Two points
3. Three points
4. Four points

The process of coloring the area of a polygon is called

1. Polygon filling
2. Polygon flow
3.  Aliasing
4. None of these

How many types of polygon filling

1. Two
2. One
3. Three
4. Four

 The algorithm used for filling the interior of a polygon is called

1. Flood fill algorithm
2. Boundary fill algorithm
3. Scan line polygon fill algorithm
4. None of these

The function of scan line polygon fill algorithm are

1. Find intersection point of the boundary of polygon and scan line
2. Find intersection point of the boundary of polygon and point
3. Both a & b
4. None of these

If the pixel is already filled with desired color then leaves it otherwise fills it. this is called

1.   Flood fill algorithm
2. Boundary fill algorithm
3. Scan line polygon filling algorithm
4. None of these

A vector can be defined as

1. Intersection b/w two point position
2. Difference b/w two point position
3. Comparison b/w two point position
4. None of these

Bresanham circle algorithm uses the approach of

1. Midpoint
2. Point
3. Line
4. None of these

The side effect of scan conversion are

1. Aliasing
2. Anti aliasing
3. Both a & b
4. None of these

The process of reducing aliasing is called

1. Resolution
2. Anti aliasing
3. Sampling
4. None of these

Two basic technique for anti aliasing in ray tracing algorithm are

1. Pixel sampling and super sampling
2. Adaptive sampling and super sampling
3. Pixel sampling and super sampling
4. None of these

The problem of aliasing are

1. Staircase
2. Unequal brightness
3. Picket fence problem
4. All of these

The technique to minimizing aliasing are

1. Increased no of resolution
2. Modify pixel intensities
3. Super sampling
4. All of these

Lower persistence phosphorus is used in

1. Animation
2. Simple object
3. Complex object
4. All of these

Lower persistence phosphorus needs_________ refresh rate

1. Lower
2. Higher
3. Medium
4. None of these

Higher persistence phosphorus needs _________ refresh rate

1. Lower
2. Higher
3. Medium
4. None of these

Higher persistence phosphorus is used in

1. Animation
2. Simple object
3. Higher complex object
4. All of these

Phosphorus are of various types depending on

1. color
2. persistence
3. both a & b
4. none of these

Set - 4

1.       The graphics can be

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 tool for computer graphics in business and graphics design studios

a.      graphics

b.      Macintosh

c.       quake

d.      multimedia

7.       Graphics is one of the_________ major key element in design of 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 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 is 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.      Pix map

b.      bitmap

c.       both a & b

d.       none of these

14.   Pixel can be arranged in 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 depend 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 card 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 input unit

b.      Sending graphics data to output unit

c.       Receiving graphics data from output unit

d.       None of these

22.   Several graphics image file formats that are used by most of graphics system 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 post script

b.       Entire post scale

c.       Encapsulated post script

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 use the concept of

a.      Printing ink

b.       Light to display color

c.       Printing line

d.       None of these

30.   Color apparent in additive model are the result of

a.       Reflected light

b.      Transmission of light

c.       Flow of light

d.       None of these

31.    Color apparent in subtractive model are the result of

a.      Amount of Reflected light

b.       Transmission of light

c.       Flow of light

d.       None of these

32.    Two dimensional color model are

a.       RGB and CMKY

b.       RBG and CYMK

c.       RGB and CMYK

d.       None

33.   RGB model are used for

a.      Computer display

b.       Printing

c.       Painting

d.       None of these

34.   CMYK model are used for

a.       Computer display

b.      Printing

c.       Painting

d.       None of these

35.   The intersection of three primary RGB color produces

a.      White color

b.       Black color

c.       Magenta color

d.       Blue color

36.   The intersection of primary CMYK color produces

a.       White color

b.      Black color

c.       Cyan color

d.       Magenta color

37.   The RGB model display 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.   Grey scale 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 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 produce light or shine is controlled by 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 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 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 electron 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 image from screen

c.       Inability to produce 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.       Paint brush

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.   The standardization is needed

a.       To make application programs more portable

b.       To increase their utility

c.       To allow them to use in 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 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 technique 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 blue

b.      Red and green

c.       Blue 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.       Blue

b.      Yellow

c.       Magenta

d.       White

73.   Which color s produced with the blue and red dots

a.       Blue

b.       Yellow

c.       Magenta

d.       White

74.   Cyan color is produced when the blue and green are activated

a.      Equally

b.       Unequally

c.       Both a & b

d.       None

75.   Which technique of color CRT is used for production of 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 processor in form of

a.      Electrical signals

b.       Analog signals

c.       Digital signals

d.       None of these

80.   An example of 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 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 white printer

b.       Plotters

c.       Both a & b

d.       None

84.   An example of black and white laser printer is

a.      HP 4000

b.       QMS

c.       Both a & b

d.       None

85.   An example of color printer is

a.       HP 4000

b.      QMS

c.       Both a & b

d.      None

86.   Non impact use various techniques to combine three color pigment ______ to produce a range of color patterns

a.      Cyan , magenta and yellow

b.      Cyan , white and black

c.       Cyan , white and yellow

d.      Black , magenta and yellow

87.   Printers produce output by either

a.      Impact method

b.      Non impact method

c.       Both a & b

d.      None of these

88.   What is name of temporary memory where the graphics data is stored to be displayed on 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 post script

d.      None

90.   LCD means

a.      Liquid crystal displays

b.      Liquid crystal data

c.       Liquid chrome data

d.      None

91.   LCD are commonly used in

a.      Calculators

b.      Portable

c.       Laptop computers

d.      All of these

92.   LCD is an ______ device

a.      Emissive

b.      Non emissive

c.       Gas discharge

d.      None of these

93.   Plasma panel is an __ device

a.      Emissive

b.      Non emissive

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 panel are also called

a.      Liquid crystal display

b.      Gas discharge display

c.       Non emissive 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.      Flat bed

c.       Both a & b

d.      None of these

Set - 5

1.       A three dimensional graphics has

a.       Two axes

b.       Three axes

c.       Both a & b

d.       None of these

2.       _________as the most commonly used boundary presentation for a 3-D graphics object

a.       Data polygon

b.       Surface polygon

c.       System polygon

d.       None of these

3.       A three dimensional object can also be represented using_______

a.       Method

b.       Equation

c.       Point

d.       None of these

4.       An_______ can be considered as an extension of spherical surface

a.       Bezier

b.       Ellipsoid

c.       Shearing

d.       None of these

5.       _______curve is one of the sp line approximation methods

a.       Bezier

b.       Ellipsoid

c.       Shearing

d.       None of these

6.       A Bezier curve is a polynomial of degree ___________the no of control points used

a.       One more than

b.       One less than

c.       Two less than

d.       None of these

7.       The most basic transformation that are applied in three-dimensional planes are

a.       Translation

b.       Scaling

c.       Rotation

d.       All of these

8.       The transformation in which an object can be shifted to any coordinate position in three dimensional plane are called

a.       Translation

b.       Scaling

c.       Rotation

d.       All of these

9.       The transformation in which an object can be rotated about origin as well as any arbitrary pivot point are called

a.       Translation

b.       Scaling

c.       Rotation

d.       All of these

10.   The transformation in which the size of an object can be modified in x-direction ,y-direction and z-direction

a.       Translation

b.       Scaling

c.       Rotation

d.       All of these

11.   Apart from the basic transformation ,________are also used

a.       Shearing

b.       Reflection

c.       Both a & b

d.       None of these

12.    In which transformation ,the shape of an object can be modified in any of direction depending upon the value assigned to them

a.       Reflection

b.       Shearing

c.       Scaling

d.       None of these

13.   In which transformation ,the mirror image of an object can be seen with respect to x-axis, y-axis ,z-axis as well as with respect to an arbitrary line

a.       Reflection

b.       Shearing

c.       Translation

d.       None of these

14.   How many types of projection are

a.       1

b.       2

c.       3

d.       4

15.   The types of projection are

a.       Parallel projection and perspective projection

b.       Perpendicular and perspective projection

c.       Parallel projection and Perpendicular projection

d.       None of these

16.    How many types of parallel projection are

a.       1

b.       2

c.       3

d.       4

17.   The types of parallel projection are

a.       Orthographic projection and quadric projection

b.       Orthographic projection and oblique projection

c.       oblique projection and quadric projection

d.       None of these

18.   _________are the three dimensional analogs of quad trees

a.       Quadric

b.       Octrees

c.       Geometry

d.       None of these

19.   By which more complex objects can be constructed

a.       Quadric surfaces

b.       Wire frame model

c.       Composite transformation

d.       None of these

20.   _______refers to the common elements of graphics scenes ,often used in graphics package as primitive components

a.       Quadric surfaces

b.       Wire frame model

c.       Composite transformation

d.       None of these

21.   _________refer to the shapes created by union, intersection and difference of given shapes

a.       Wire frame model

b.       Composite transformation

c.       Constructive solid geometry methods

d.        None of these

22.   ________refer to a model that represent all the dimension of an object external as well as internal

a.       Wire frame model

b.       Constructive solid geometry methods

c.       Composite transformation

d.       None of these

23.   ________refers to the result obtained by multiplying the matrix of the individual transformation representation sequences

a.       Wire frame model

b.       Constructive solid geometry methods

c.       Composite transformation

d.       None of these

24.   The projection in which the projection plane is allowed to intersect the x, y and z-axes at equal distances

a.       Wire frame model

b.       Constructive solid geometry methods

c.       Isometric projection

d.       Back face removal

25.   In which projection ,the plane normal to the projection has equal angles with these three axes

a.       Wire frame model

b.       Constructive solid geometry methods

c.       Isometric projection

d.       Back face removal

26.   ___________is a simple object space algorithm that removes about half of the total polygon in an image as about half of the faces of objects are back faces

a.       Wire frame model

b.       Constructive solid geometry methods

c.       Isometric projection

d.       Back face removal

27.   By which ,we can take a view of an object from different directions and different distances 

a.       Projection

b.       Rotation

c.       Translation

d.       Scaling

28.   Parallel projection shows the

a.       True image of an object

b.       True size of an object

c.       True shape  of an object

d.       all of these

29.   Projection rays(projectors) emanate from a

a.       COP(centre of projection )

b.       Intersect projection plane

c.       Both a & b

d.       None of these

30.   The centre of projection for parallel projectors is at

a.       Zero

b.       Infinity

c.       One

d.       None of these

31.    In orthographic projection, engineering use

a.       Top view of an object

b.       Front view of an object

c.       Side view of an object

d.       All of these

32.   The orthographic projection that show more than one side of an object are called

a.       Axonometric projection

b.       Isometric projection

c.       Both a & b

d.       None of these

33.   The projection that can be viewed as the projection that has a centre of projection at a finite distance from the plane of projection are called

a.       Parallel  projection

b.       Perspective projection

c.       Isometric projection

d.       None of these

34.   The perspective projection is more practical because the distant objects appear

a.       Smaller

b.       Larger

c.       Neither smaller nor larger

d.       None of these

35.   The equation of scaling transformation will be

a.       X¹=x+Tx,y¹=y+Ty,z¹=z+Tz

b.       X¹=x.sx,y¹=y.sy,z¹=z.sz

c.       Both of these

d.       None of these

36.   The equation of translation transformation will be

a.       X¹=x+Tx,y¹=y+Ty,z¹=z+Tz

b.       X¹=x.sx,y¹=y.sy,z¹=z.sz

c.       Both of these

d.       None of these

37.   Sp line curve can be either

a.       Bezier sp line

b.       B sp line

c.       Both a & b

d.       None of these

38.   Bezier sp line always passes through

a.       First and second control point

b.       Does not pass from First and second control point

c.       Both a & b

d.       None of these

39.   The equation for describing surface of 3D plane are

a.       Ax+ By+ Cz+ D= 0

b.       Ax+ By+ Cz = 0

c.       Ax+ By+ D= 0

d.       Ax+ By+ Cz+ D= 1

40.   The object refers to the 3D representation through linear, circular or some other  representation are called

a.       Quadric surface

b.       Sweep representation

c.       Torus

d.       None of these

41.   The distance of a line from the projection plane determines

a.       Its size on projection plane

b.       Its length on projection plane

c.       Its width on projection plane

d.       Its height on projection plane

42.   The further the line from the projection plane, _______its image on the projection plane

a.       Smaller

b.       Larger

c.       Neither smaller nor larger

d.       None of these

43.   The Bezier curve obtained from the four control points is called a

a.       Square Bezier curve

b.       Cubic Bezier curve

c.       Hectare Bezier curve

d.       Rectangle Bezier curve

44.   The shape of a  Bezier curve primarily depends upon the

a.       Position of control points

b.       Distance of control points

c.       Position of control panel

d.       None of these

45.   The no of control points in a Bezier curve ensures the

a.       Jaggies of curve

b.       Smoothness of curve

c.       Straightness of curve

d.       None of these

46.    More the control points of a  Bezier curve,________ quality of the curve

a.       Higher

b.       Lower

c.       Bad

d.       None of these

47.   ______is one of the function that is used to specify a single plane surface

a.       Meta-ball model

b.       Fill area

c.       Reflection

d.       None of these

48.   Meta-ball is used to describe

a.       Simplest object

b.       Complex object

c.       Composite object

d.       None of these

49.   Super quadrics is a class of object that contain

a.       Data

b.       Codes

c.       Both a & b

d.       None of these

50.    When two molecules move apart, which effect on molecular shapes

a.       Stretching

b.       Snapping

c.       Contracting

d.       All of these

51.    The sweep representation of an object refers to the

a.       2D representation

b.       3D representation

c.       Both a & b

d.       None of these

Set - 6

1. ______is a flexible strip that is used to produce smooth curve using a set of point
1. Sp line
2. Scan-line method
3. Depth-sorting method
4. None of these
2. The types of sp line curve are
1. Open sp line
2. Closed sp line
3. Both a & b
4. None of these
3. Cubic sp line are
1. Simple to compute
2. Provides continuity of curves
3. Both a & b
4. None of these
4. The parametric form of 3D sp line are
1. X=f(t),y=g(t),z=h(t)
2. X=a₀,y=b₀,z=c₀
3. F(t)=0,g(t)=0,h(t)=0
4. None of these
5. The value of t lies between
1. 1 and 2
2. 1 and 10
3. 0 and 1
4. 0and 3
6. The surfaces that is blocked or hidden from view in a 3D scene are known as
1. Hidden surface
2. Frame buffer
3. Quad tree
4. None of these

7.       The problem of hidden surface are

1. Removal of hidden surface
2. Identification of hidden surface
3. Both a & b
4. None of these
7. Why we need removal of hidden surface
1. for displaying realistic view
2. for determining the closest visible surface
3. Both a & b
4. None of these
8. How many types of hidden surface algorithm are
1. 1
2. 2
3. 3
4. 4
9. The algorithm of hidden surface are
1. Object-space method
2. image-space method
3. Both a & b
4. None of these
10. The method which is based on the principle of comparing objects and parts of objects to each other to find which are visible and which are hidden are called
1. Object-space method
2. image-space method
3. Both a & b
4. None of these
11. The method which is based on the principle of checking the visibility point at each pixel position on the projection plane are called
1. Object-space method
2. image-space method
3. Both a & b
4. None of these
12. The types of hidden surface removal algorithm are
1. Depth comparison, Z-buffer, back-face removal
2. Scan line algorithm, priority algorithm
3. BSP method, area subdivision method
4. All of these
13. Which surface algorithm is based on perspective depth
1. Depth comparison
2. Z-buffer or depth-buffer algorithm
3. subdivision method
4. back-face removal
14. In which year Z- buffer algorithm are described
1. 1995
2. 1974
3. 1945
4. 1981
15. Z -buffer algorithm are
1. Simplest algorithm
2. Complex algorithm
3. Largest algorithm
4. None of these
16. Which is a tree type of data structure in which every internal node has at most four children
1. Point quad tree
2. Edge quad tree
3. Quad tree
4. None of these
17. The scan line coherence algorithm was developed by
1. Wylie
2. Evans
3. Cat mull
4. Both a & b
18. The array are used with scan line coherence algorithm are
1. For intensity value
2. For depth value
3. Both a & b
4. None of these
19. Scan lines are used to scan from
1. Top to bottom
2. Bottom to top
3. Both a & b
4. None of these
20. The painter algorithm were developed on
1. 1972 by Newell
2. 1972 by Evans
3. 1974 by Cat mull
4. None of these
21. The painter algorithm are also called
1. Depth sort algorithm
2. Priority algorithm
3. Both a & b
4. None of these
22.  The painter algorithm are based on the property of
1. Polygon
2. Frame buffer
3. Depth buffer
4. None of these
23. The dynamic effect of an image is called
1. Video
2. Animation
3. Super sampling
4. None of these
24. The animation can be defined as a collection of images played in
1. Not sequence
2. Defined sequence
3. Both a & b
4. None of these
25. When sound is included in the animation, it become
1. Audio
2. Video
3. Both a & b
4. None of these
26.  Many online animation tools are used to create animation in the form of
1. JPEG image
2. PDF image
3. GIF image
4. None of these
27. An ex of online animation tools are
1. Macromedia flash
2. GIF works
3. Both a & b
4. None of these
28. To produce the motion in the image by placing the elements of the image on different location ,which software are used
1. Macromedia flash
2. GIF works
3. Both a & b
4. None of these
29. The name of a visible surface detection algorithm are
1. Back face detection
2. Back face removal
3. Ray tracing
4. None of these
30. Which type of quad tree can be defined as an adaptation of a binary tree represented two dimensional point data
1. Point quad tree
2. Edge quad tree
3. Curves quad tree
4. Areas quad tree
31. Which type of quad tree is specifically used to store lines rather than points
1. Point quad tree
2. Edge quad tree
3. Curves quad tree
4. Areas quad tree
32. Which quad tree defines a partition of space in two dimension by dividing the region into four equal quadrants, sub quadrants and so on
1. Curves quad tree
2. Areas quad tree
3. Region quad tree
4. None  
33. The animation graphics can be created by
1. Hand
2. Computer assistance
3. Both a & b
4. None of these
34. The animation can be divided into
1. One part
2. Two parts
3. Three parts
4. Four parts
35. The types of animation are
1. Traditional animation
2. Computer animation
3. Both a & b
4. None of these
36. The types of computer animation are
1. 2D computer animation
2. 3D computer animation
3. Both a & b
4. None of these
37. The depth sorting method reforms surfaces sorting in________ order of depth
1. Increasing
2. Decreasing
3. Both a & b
4. None of these
38. The problem of discontinuity of lines is known as
1. Jaggies
2. Stair-casing
3. Both a & b
4. None of these
39. A quad-tree is a data structure which is used for graphical representation of
1. 2D digital picture or object
2. 3D picture or object
3. Both a & b
4. None of these
40. A octree is a data structure which is used for alternative representation of
1. 2D digital picture or object
2. 3D picture or object
3. Both a & b
4. None of these
41. How many data elements for each region in quad-tree data structure
1. 2
2. 4
3. 6
4. 8
42. How many data elements for each region in octree data structure
1. 2
2. 4
3. 6
4. 8
43. The main property of________ is that their shape is irregular
1. Fractals
2. Quad-tree
3. Rendering
4. None of these
44. The word fractals is coined by
1. Mandelbrot in 1975
2. Gosling in 1962
3. Mandelbrot in 1974
4. Mandelbrot in 1979
45. The fractals is used to
1. Generate image of natural object
2. Viewing of various mathematical system
3.  Viewing of various physical system
4. All of these
46. A process with the help of which images or picture can be produced in a more realistic way is called
1. Fractals
2. Quad-tree
3. Rendering
4. None of these
47. For which purpose ,one needs to apply natural light effects to visible surface
1. Fractals
2. Quad-tree
3. Rendering
4. None of these
48. The basic ray tracing algorithm provides
1. Transparency
2. Visible-surface detection
3. Shadow effect, multiple light source illumination
4. All of these
49. Ray-tracing is an extension of
1. Ray calling
2. Ray casting
3. Ray sampling
4. None of these
50. A fast and simple method for rendering an object with polygon surface is
1. Constant-intensity shading
2. Flat shading
3. Both a & b
4. None of these