Q.1
How do you show the size of a Graphic image?
  • in Icons
  • in PPI
  • in Pixels
  • in TIFF
Q.2
To apply the midpoint method, we define
  • circle(x, y)= x2+ y2- r2
  • circle(x, y)= x+ y2- r2
  • circle(x, y)= x2– y2- r2
  • circle(x, y)= x2+ y2- z2
Q.3
Cohen-Sutherland clipping is an example of _________________
  • polygon clipping
  • text clipping
  • line clipping
  • curve clipping
Q.4
Which of the following represents shearing?
  • (x, y) → (ax, by)
  • (x, y) → (x+ay, y+bx)
  • (x, y) → (x+a, y+b)
  • (x, y) → (x cos(θ)+y sin(θ), -x sin(θ)+y cos(θ))
Q.5
The disadvantage of line DDA is
  • Time consuming
  • Faster
  • Neither a nor b
  • None of the mentioned
Q.6
If the boundary is specified in a single color, and if the algorithm proceeds pixel by pixel until the boundary color is encountered is called
  • Scan Line Algorithm
  • Flood Fill Algorithm
  • Boundary Fill Algorithm
  • None of the above
Q.7
Two successive translations are___________________
  • Subtractive
  • Additive
  • Inverse
  • Multiplicative
Q.8
The Cartesian slope-intercept equation for a straight line is
  • y = m.x + b
  • y = b.x + m
  • y = x.x + m
  • y = b + m.m
Q.9
On raster system, lines are plotted with
  • Lines
  • Dots
  • Pixels
  • None of the mentioned
Q.10
Positive values for the rotation angle ϴ defines
  • Counterclockwise rotations about the end points
  • Counterclockwise translation about the pivot point
  • Counterclockwise rotations about the pivot point
  • Negative direction
Q.11
Which transformation distorts the shape of an object such that the transformed shape appears as if the object were composed of internal layers that had been caused to slide over each other?
  • Scaling down
  • Shearing
  • Scaling up
  • Rotation
Q.12
In a reflection, by how much angle is the object rotated?
  • 45 degree
  • 180 degree
  • 90 degree
  • 360 degree
Q.13
The seed fill algorithm for filling polygon is classified as ________ fill algorithm and _______ fill algorithm.
  • Even,Odd
  • Boundary, Scan
  • Flood, Boundary
  • Edge, Flood
Q.14
Initial decision parameter P0 in Mid Point Circle drawing algorithm is
  • P0=1-R
  • P0=1-R2
  • P0=1 + R
  • P0= 1+R2
Q.15
A bitmap is collection of ___________________ that describes an image.
  • bits
  • colors
  • algorithms
  • pixels
Q.16
An area on a physical device to which a window is mapped is called a
  • Window
  • clip
  • Viewport
  • Segment
Q.17
For a point to be clipped, which of the following conditions must be satisfied by the point?
  • ywmin = y = ywmax
  • xwmin > x > xwmax
  • xwmin = x = xwmax
  • xwmin < x < xwmax
Q.18
In line clipping, the portion of line which is _____________ of window is cut and the portion that is _____________ the window is kept.
  • outside, inside
  • inside, outside
  • exact copy, different
  • different, an exact copy
Q.19
An accurate and efficient raster line-generating algorithm is
  • DDA algorithm
  • Mid-point algorithm
  • Parallel line algorithm
  • Bresenham’s line algorithm
Q.20
__________ is a method for testing a pixel inside of a polygon.
  • even-odd method
  • Winding Number Method
  • Both A & B
  • None of these
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