Computer Graphics MCQs and Notes

M

Mr. Dubey • 52.26K Points
Coach

Q 171. A circle, if scaled only in one direction becomes a ?

(A) Ellipse
(B) Parabola
(C) Hyperbola
(D) None

M

Mr. Dubey • 52.26K Points
Coach

Q 172. The transformation in which an object is moved from one position to another in circular path around a specified pivot point is called

(A) Rotation
(B) Translation
(C) Scaling
(D) None

M

Mr. Dubey • 52.26K Points
Coach

Q 173. 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

M

Mr. Dubey • 52.26K Points
Coach

Q 174. 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

M

Mr. Dubey • 52.26K Points
Coach

Q 175. The purpose of the front and back clipping planes in OpenGL. Which of the following 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

M

Mr. Dubey • 52.26K Points
Coach

Q 176. 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

M

Mr. Dubey • 52.26K Points
Coach

Q 177. 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

M

Mr. Dubey • 52.26K Points
Coach

Q 178. This projection technique does NOT have the direction of projection perpendicular to the viewing plane.

(A) Orthographic Parallel Projection
(B) Axonometric Parallel Projection
(C) Oblique Parallel Projection
(D) None

M

Mr. Dubey • 52.26K Points
Coach

Q 179. This projection technique has the direction of projection perpendicular to the viewing plane, but the viewing direction is NOT perpendicular to one of the principle faces.

(A) Orthographic Parallel Projection
(B) Axonometric Parallel Projection
(C) Oblique Parallel Projection
(D) None

M

Mr. Dubey • 52.26K Points
Coach

Q 180. Which of the following does NOT figure into the Field of View of a pinhole camera?

(A) The direction of projection
(B) The distance from the center of projection to the projection plane
(C) The size of the projection plane
(D) None

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