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CS602-Computer Graphics Quiz MCQs Lecture 1-22 Midterm Objective Questions

CS602-Computer Graphics Quiz  MCQS #Objective #Questions #Midterm

1. The ___tests are performed for the midpoints between pixels near the circle path at each sampling step.

  • Parabola function
  • Eclipse function
  • Circle function ✔
  • Line function

2. A ___ is the set of all points (x, y) that are the same distance from the directrix and focus not on the directrix.

  • Circle
  • Hyperbola
  • Parabola ✔
  • Ellipse

3. Both Boundary Filling and Flood filling algorithms are non-recursive techniques.

  • True
  • False ✔

4. In ___ algorithm(s), old color must be read before it is invoked.

  • Scan line filling
  • Flood filling ✔
  • Both Scan line and flood filling
  • Scan filling

5. Both Boundary Filling and Flood filling algorithms are ___ as compared to scan line filling algorithm.

  • Better ✔
  • Worse
  • Almost same
  • Good

6. ___ is used for the circumference of a circle.

  • 2r
  • 2𝜋c
  • 2𝜋
  • None ✔

7. If a line connecting any two points within a polygon does not intersect any edge, then it will be a ___

  • Convex ✔
  • Concave
  • Complex
  • Concave and Complex

8. ___ is the set of points that are equidistant from its origin.

  • Line
  • Parabola
  • Circle ✔
  •  Ellipse

9. We can draw the circle using ___

  • Pentane
  • Hexanes
  • Trident
  • Octants ✔

10. Parity is a concept used to determine which ___ lie within a polygon.

  • Edge
  • Vertices
  • Pixels ✔
  • Points
11. Locations can be translated or “transformed” from one coordinate system to the other.
  • True ✔
  • False

12. A two-dimensional rotation is applied to an object by repositioning it along a ___ path in the XY plane

  • Straight
  • Circular
  • Oval
  • Ellipse

13. In 2D transformation, ___ can be achieved by rotating the object about 180 degrees.

  • Translation
  • Scaling
  • Shear
  • Reflection ✔

14. The shortcoming of the Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines.

  • True ✔
  • False

15. The process of subdivision an entity or surface into one or more non-overlapping primitives.

  • Rendering ✔
  • Modeling
  • Meshing
  • None

16. In Trivial acceptance/reject test there are four bits of nine regions, Bit2 represents condition ___

  • Outside half plane of left edge, to the left of left edge X<Xmin
  • Outside half plane of right edge, to the right of right edge X>Xmax
  • Outside half plane of bottom edge, below bottom edge Y<Ymin ✔
  • Outside half plane of top edge, above top edge Y>Ymax

17. In 2D transformation, two successive rotations can be performed in any order (rotation 1 then rotation 2 or rotation 2 then rotation 1)

  • True ✔
  • False

18. In Trivial acceptance/reject test there are four bits of nine regions, Bit4 represents condition ___

  • Outside half plane of left edge, to the left of left edge X<Xmin ✔
  • Outside half plane of right edge, to the right of right edge X>Xmax
  • Outside half plane of bottom edge, below bottom edge Y<Ymin
  • Outside half plane of top edge, above top edge Y>Ymax

19. ___ is the process of describing an object or scene so that we can construct an image of it.

  • Rendering
  • Modeling ✔
  • Meshing
  • None

20. Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon

  • True
  • False ✔

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