Top 150+ Solved Computer Graphics (for MCA) MCQ Questions Answer
Q. This projection technique has the direction of projection perpendicular to the viewing plane, and the viewing direction is perpendicular to one of the principle faces.
a. Orthographic Parallel Projection
b. Axonometric Parallel Projection
c. Oblique Parallel Projection
d. none
Q. When transforming a random Axis-Aligned Bounding Box defined by the points (nearx, neary, nearz) and (farx, fary, farz) to the standard orthographic viewing box, which affine transforms are used?
a. shear and translation
b. rotation and scale
c. scale and shear
d. translation and scale
Q. The purpose of the front and back clipping planes in OpenGL. Which of thefollowing was NOT a purpose for using clipping planes?
a. division by zero
b. objects behind the center of projection mapping onto the projection plane
c. avoiding the problems of infinite viewing volume size
d. none
Q. Oblique projection with an angle of 45 to the horizontal plane is called as:
a. Cabinet projection
b. Isometric projection
c. Cavalier projection
d. None
Q. The transformation in which an object is moved in a minimum distance path from one position to another is called
a. Rotation
b. Replacement
c. Translation
d. Scaling
Q. The transformation in which an object is moved from one position to anotherin circular path around a specified pivot point is called
a. Rotation
b. Translation
c. Scaling
d. None
Q. A circle, if scaled only in one direction becomes a ?
a. Ellipse
b. Parabola
c. Hyperbola
d. None
Q. The object refers to the 3D representation through linear, circular or some other representation are called
a. Quadric surface
b. Sweep representation
c. Torus
d. None of these
Q. A quad-tree is a data structure which is used for graphical representation of.....................
a. 2D digital picture or object
b. 3D picture or object
c. Both a & b
d. None of these
Q. ............... refer to the shapes created by union, intersection and difference ofgiven shapes
a. Wire frame model
b. Composite transformation
c. Constructive solid geometry methods
d. None
Q. An octree is a data structure which is used for alternative representation of ....................
a. 2D digital picture or object
b. 3D picture or object
c. Both a & b
d. None of these
Q. The text clipping strategy to reject an entire character string that overlaps a clip window is called................
a. All-or-none character clipping
b. All-or-none string clipping
c. Curve clipping
d. both a & b
Q. A transformation that slants the shape of an object is called ....................
a. Reflection
b. Shear
c. Distortion
d. Scaling
Q. A method used to test lines for total clipping is equivalent to the .............
a. logical XOR
b. logical OR
c. logical AND
d. both a & b