Computer Graphics & Digital Image Processing MCQS with AnswerS
Q91. Which of the following activity is performed at step-2
Activity 1. Translate the line and object so that the line passes through the origin.
Activity 2 Rotate the line and object about origin until the line is coincident with one of coordinate axes.
Activity 3 Reflect through coordinate axis.
Activity4 Apply the inverse-Rotation about the origin.
Activity 5 Translate back to original position.
a)1 b)2 c)3 d)4.
Q92. Which of the following activity is performed at step-3
Activity 1. Translate the line and object so that the line passes through the origin.
Activity 2 Rotate the line and object about origin until the line is coincident with one of coordinate axes.
Activity 3 Reflect through coordinate axis.
Activity4 Apply the inverse-Rotation about the origin.
Activity 5 Translate back to original position.
a)1 b)2 c)3 d)4.
Q93. Which of the following activity is performed at step-1
Activity 1. Translate the line and object so that the line passes through the origin.
Activity 2 Rotate the line and object about origin until the line is coincident with one of coordinate axes.
Activity 3 Reflect through coordinate axis.
Activity4 Apply the inverse-Rotation about the origin.
Activity 5 Translate back to original position.
a)1 b)2 c)3 d)4.
Q94. Which of the following activity is performed at step-4.
Activity 1. Translate the line and object so that the line passes through the origin.
Activity 2 Rotate the line and object about origin until the line is coincident with one of coordinate axes.
Activity 3 Reflect through coordinate axis.
Activity4 Apply the inverse-Rotation about the origin.
Activity 5 Translate back to original position.
a)1 b)2 c)3 d)4.
Q95. Which of the following activity is performed at step-5
Activity 1. Translate the line and object so that the line passes through the origin.
Activity 2 Rotate the line and object about origin until the line is coincident with one of coordinate axes.
Activity 3 Reflect through coordinate axis.
Activity4 Apply the inverse-Rotation about the origin.
Activity 5 Translate back to original position.
a)1 b)5 c)3 d)4.
Q96. In …………………………………………Scan-display , the beam is moved all over the screen , one scan-line at one time.
a)Raster b)Random c)Both of these d)None of these.
Q97. In………………………………………Scan-display , the beam is moved between the end-points of graphics primitives.
a)Raster b)Random c)Both of these d)None of these.
Q98. Raster is a synonym for ………………………………..
a)Refreshing b)Matrix c)Either a) or b) d)None of these.
Q99. ………………………………….Algorithm is very time consuming because , it deals with rounding-off operation and floating point arithmetic. It is an improvement over………………………..
a)DDA ,Bresenham’s b)Bresenham’s ,DDA c)Either a or b
d)None of these.
Q100. In what kind of scaling , shape does not change ?
a)Uniform Scaling b)Non-uniform Scaling c)Uniform Shearing d)None of these
Q101. A line connecting the points (1,1) and (5,3) is to be drawn , using the DDA algorithm. Find the values of x and y increments.
a)(1,1)
b)(0.5,1)
c)(1,0.5)
d)None of above
Q102. Which of the following algorithms can be used for circle generation ?
a)Bresenham’s Algorithm
b)Mid-point Algorithm
c)Both a) and b)
d) None of the above
Q103. Which of the following algorithm is used for Polygon clipping ?
a)DDA algorithm
b)Sutherland-Hodgeman
c)Bresenham’s Algorithm
d)None of the above
Q104. A polygon with vertices P1, P2….PN is said to be positively oriented, if a tour of the vertices in the given order produces a …………………..circuit.
a)Clockwise
b)Counter clockwise
c)Either a or b
d)None of above
Q105. A polygon is called ………………. If the line joining any two interior points of the polygon lies completely inside the polygon.
a)Convex
b)Concave
c)Either a or b.
d)None of above.
Q106. Sutherland-Hodgman’s Polygon clipping algorithm uses a …………………………
a)Divide and conquer strategy.
b)Recursive approach
c)Increment approach
d)None of above
Q107. In ………………………… clipping , we are displaying the objects or portions of objects which is inside the window and discarding the portion which is outside .
a)Exterior
b)Interior
c)either a or b
d)None of above
Q108.In …………………..clipping , we are discarding the objects or portions of objects which is inside the window and displaying the portion which is outside.
a)Exterior
b)Interior
c)either a or b
d)None of above
Q109. The method for selecting , and enlarging portions of a drawing is called ………………………..
a)Windowing
b) clipping
c)View-port
d)None of above
Q110. The technique for not showing that part of drawing which one is not interested , it is called…………………
a)Windowing
b) clipping
c)View-port
d)None of above
| 90 | a |
| 91 | b |
| 92 | c |
| 93 | a |
| 94 | d |
| 95 | b |
| 96 | a |
| 97 | b |
| 98 | b |
| 99 | b |
| 100 | a |
| 101 | c |
| 102 | c |
| 103 | b |
| 104 | b |
| 105 | a |
| 106 | a |
| 107 | b |
| 108 | a |
| 109 | a |
| 110 | b |
