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1:  
The point (4, 1) undergoes the following 3 transformations successively.
I. Reflection about the line y = x
II. Translation through a distance of 2 units along the positive x-axis
III. Rotation through an angle of 7d4 about the origin in the counter clockwise direction.
 
The final position of the point will be

 

A.
 (-1 / √2 , 7/√2) 
B.

(1,4)
C.

(3/√2 , -5 /√2)
D.

(3/√2 , 5 /√2)
 
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Option: A

Explanation :

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2:  
The perspective anomaly in which the object behind the centre of projection is projected upside down and backward onto the viewplane is called as
A.
 perspective foreshortening
B.
 vanishing view
C.

view confusion
D.

topological distortion
 
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Option: C

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3:  
A frame buffer array is addressed in row-major order for a monitor with co-ordinate locations varying from (0, 0) to (100, 100). Assuming that one bit of storage is required per pixel and address of(0, 0) is 0000, the address of the co-ordinate position (5,10) is given by 
A.

1015
B.

515
C.

1005
D.

505
 
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Option: A

Explanation :

ADDRESS (x,y) = ADDRESS(0,0) + y  ( ( x - max ) +  1 ) + x

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4:  
In multiple transformation, which of the following are commutative?
 
A.
Successive transformations of the same kind
B.
Rotation about a fixed point and translation
C.
Uniform scaling and rotation
D.

(a) and (c).
 
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Option: D

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5:  
Let the maximum number of pixels in a line be M. The number of subdivisions at most necessary using the mid-point subdivision method of clipping is
A.
N= log2 M
B.
N= 2M
C.

 n = 2 M
D.

none of the above
 
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Option: A

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Syllabus Covered in this section is -

  • Display systems
  • Input devices
  • 2D Geometry
  • Graphic operations
  • 3D Graphics
  • Animation
  • Graphic standard
  • Applications. Concepts
  • Storage Devices
  • Input Tools
  • Authoring Tools.
  • Graphics Application
  • Files and Operations

This Section covers Multiple Choice Questions Answers in Computer Graphics .

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