Computer Graphic | CG | MCQ

Question 1
A three dimensional graphics has
Select one:
A. Two axes
B. Three axes
C. Both a & b
D. None of these
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The correct answer is: Three axes
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Question 2
Raster images are more commonly called
Select one:
A. Pix map
B. bitmap
C. both a & b
D. none of these
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The correct answer is: bitmap
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Question 3
The rectangle portion of the interface window that defines where the image will actually appear are called
Select one:
a. View port
b. Screen coordinate system
c. Clipping window
d. Transformation viewing
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The correct answer is: View port
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Question 4
The ……… simply reads each successive byte of data from the frame buffer?
Select one:
a. Digital Controller
b. Data controller
c. Display Controller
d. None
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The correct answer is: Display Controller
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Question 5
Plasma panel is an __ device
Select one:
a. Emissive
b. Non-Emissive
c. Expensive
d. None
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The correct answer is: Emissive
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Question 6
In bresenhan’s algorithm error term is initialized to ?
Select one:
a. 1
b. 1/2
c. 0
d. -1/2
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The correct answer is: 0
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Question 7
The equation of translation transformation will be
Select one:
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
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The correct answer is: X1=x+Tx,y1=y+Ty,z1=z+Tz
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Question 8
Plasma device converts
Select one:
a. Light into graphical energy
b. None
c. Light into electrical energy
d. Electrical energy into light
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The correct answer is: Electrical energy into light
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Question 9
DVST means
Select one:
a. Display view store tube
b. None
c. Direct view storage tube
d. Domain view storage tube
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The correct answer is: Direct view storage tube
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Question 10
Reflection of a point about x-axis, followed by a counter-clockwise rotation of 900 , is equivalent to reflection about the line ?
Select one:
a. x + y = 1
b. x = -y
c. y = – x
d. x = y
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The correct answer is: x = y
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Question 11
The transformation in which the dimension of an object are changed relative to a specified fixed point is called
Select one:
a. Rotation
b. Scaling
c. Reflection
d. Translation
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The correct answer is: Scaling
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Question 12
………………. is responsible for accessing the frame buffer to refresh the screen.
Select one:
a. Video controller
b. Frame Buffer
c. CPU
d. Graphics package
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The correct answer is: Video controller
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Question 13
Two consecutive scaling transformation t1 and t2 are
Select one:
a. None of these
b. Multiplicative
c. Additive
d. Subtractive
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The correct answer is: Multiplicative
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Question 14
The equation of scaling transformation will be
Select one:
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
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The correct answer is: X1=x.sx,y1=y.sy,z1=z.sz
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Question 15
In which environment has been one of the most accepted tool for computer graphics in business and graphics design studios
Select one:
a. Macintosh
b. multimedia
c. quake
d. graphics
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The correct answer is: Macintosh
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Question 16
Why a circle drawn on the screen appears to be elliptical ?
Select one:
a. It is due to the aspect ratio of monitor
b. Our eyes are not at the same level on screen
c. CRT is completely spherical
d. Screen has rectangular shape
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The correct answer is: It is due to the aspect ratio of monitor
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Question 17
Random scan monitors draw a picture one line at a time
Select one:
True
False
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The correct answer is ‘True’.
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Question 18
The maximum number of points that can be displayed without overlap on a CRT
Select one:
a. Aspect Ratio
b. Pixel
c. Resolution
d. Brightness
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The correct answer is: Resolution
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Question 19
Pixel can be arranged in a regular
Select one:
A. One dimensional grid
B. Three dimensional grid
C. Two dimensional grid
D. None of these
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The correct answer is: Two dimensional grid
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Question 20
Higher the number of pixels,_______ the image quality
Select one:
A. Bad
B. Better
C. Smaller
D. None of above
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The correct answer is: Better
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Question 21
A composite transformation matrix can be made by determining the ________of matrix of the individual transformation
Select one:
Addition
Subtraction
Product
None of these
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The correct answer is: Product
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Question 22
LCD is an ______ device
Select one:
a. Emissive
b. Non_Emissive
c. Gas Discharge
d. None
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The correct answer is: Non_Emissive
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Question 23
Raster scan monitors draw a picture one line at a time
Select one:
True
False
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The correct answer is ‘False’.
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Question 24
Random scan systems are designed for
Select one:
a. None
b. Line drawing application
c. Path drawing application
d. Pixel drawing application
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The correct answer is: Line drawing application
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Question 25
The transformation in which an object is moved from one position to another in circular path around a specified pivot point is called
Select one:
a. Rotation
b. Reflection
c. Scaling
d. Translation
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The correct answer is: Rotation
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Question 26
Types of computer graphics are
Select one:
A. Vector and raster
B. Scalar and raster
C. Vector and scalar
D. None of these
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The correct answer is: Vector and raster
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Question 27
The transformation that disturbs the shape of an object are called
Select one:
a. Shear
b. Scaling
c. Rotation
d. Reflection
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The correct answer is: Shear
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Question 28
The amount of time the phosphor produce light or shine is controlled by chemical composition of the phosphor. This is known as
Select one:
a. Generators
b. None of the these
c. Persistence
d. Resistance
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The correct answer is: Persistence
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Question 29
In Bresenham’s algorithm, while generating a circle , it is easy to generate
Select one:
a. One octant first and other by successive reflection
b. All octants
c. One octant first and other by successive translation
d. One octant first and other by successive rotation
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The correct answer is: One octant first and other by successive reflection
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Question 30
Computer graphics was first used by
Select one:
a. William fetter in 1960
b. James fetter in 1969
c. John Taylor in 1980
d. James gosling in 1991
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The correct answer is: William fetter in 1960
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