Quiz  /  Computer Graphics Gate & PSU MCQ Questions With Answers

  • 1. 
    I have a rectangle defined by upper left corner (10,12) and lower right corner (20,18). If I apply a scaling of sx=3 and sy=2 on the rectangle, the new value of lower right corner will be ________.

  • (23,20)
  • (30,24)
  • (60,54)
  • (13,14)

  • 2. 
    If we translate a point (10,15) by 4 and 6 respectively, the resultant point will be _________.

  • (10,15)
  • (16,19)
  • (14,19)
  • (40,90)

  • 3. 
    A polygon can be clipped using clipping operations.

  • True
  • False

  • 4. 
    __________ is a method for testing a pixel inside of a polygon.

  • even-odd method
  • Winding Number Method
  • Both A & B
  • None of these

  • 5. 
    Mapping the world co-ordinates into physical device co-ordinates is called

  • Translation
  • Homogenous coordinates
  • Coordinates Transformation
  • Viewing Transformation

  • 6. 
    ___________›responsible to produce and process images for monitor demonstration

  • CPU
  • GPU
  • Monitor
  • Frame buffer

  • 7. 
    Bitmap graphics are also known as...

  • Raster Graphics
  • Vector Graphics
  • Scalable Graphics
  • SVG Graphics

  • 8. 
    To generate a rotation , we must specify

  • Rotation angle ϴ
  • Distances dx and dy
  • Rotation distance
  • All of the mentioned

  • 9. 
    Resolution is...

  • The number of pixels in an image.
  • The size of an image.
  • The scalability of an image.
  • The shape of an image.

  • 10. 
    Following is the Interpolating Curve

  • Bezier Curve
  • Hermite Curve
  • Exponential Curve
  • Direct Curve

  • 11. 
    What is Euler's Formula

  • V-E-F=2
  • V+E-F=2
  • V+E+F=0
  • V-E+F=2

  • 12. 
    Two successive translations are___________________

  • Subtractive
  • Additive
  • Inverse
  • Multiplicative

  • 13. 
    Which of the following represents shearing?

  • (x, y) → (x cos(θ)+y sin(θ), -x sin(θ)+y cos(θ))
  • (x, y) → (ax, by)
  • (x, y) → (x+ay, y+bx)
  • (x, y) → (x+a, y+b)

  • 14. 
    A pixel is

  • a sprite
  • the colors in an image
  • the smallest point on a digital image
  • a collection of colors

  • 15. 
    A ploygon in which the line segment joining any two points within the polygon lies completely inside the polygon,is called ________ polygon.

  • Convex
  • concave
  • closed
  • Complete

  • 16. 
    The seed fill algorithm for filling polygon is classified as ________ fill algorithm and _______ fill algorithm.

  • Even,Odd
  • Boundary, Scan
  • Flood, Boundary
  • Edge, Flood

  • 17. 
    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

  • 18. 
    What is the use of homogeneous coordinates and matrix representation?

  • To scale
  • To rotate
  • To treat all 3 transformations in a consistent way
  • To shear the object

  • 19. 
    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

  • 20. 
    CG stands for_____________?

  • Common Games
  • Computer Graphics
  • Computer GUI
  • Creative GUI

  • 21. 
    Number of control points in parametric cubic curve is

  • 6
  • 9
  • 12
  • 4

  • 22. 
    Which of this is compulsory for 2D reflection.

  • Origin
  • Reflection axis
  • Co-ordinate axis.
  • Reflection plane.

  • 23. 
    Initial decision parameter P0 in Mid Point Circle drawing algorithm is

  • P0=1-R
  • P0=1-R2
  • P0=1 + R
  • P0= 1+R2

  • 24. 
    RGB color depth equal ___bits

  • 8
  • 24
  • 32

  • 25. 
    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
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