Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q381: Differential scaling changes the _______ of an object.
- A: size only
- B: shape only
- C: color
- D: position
View Answer
B
Q382: In scaling, if Sx and Sy are less than 1, the object will _______.
- A: enlarge
- B: shrink
- C: rotate
- D: move
View Answer
B
Q383: When scaling about a fixed point (xf, yf), translation is applied _______ scaling.
- A: after
- B: before
- C: during
- D: without
View Answer
B
Q384: Which equation represents scaling with respect to origin?
- A: x' = x + Sx, y' = y + Sy
- B: x' = x × Sx, y' = y × Sy
- C: x' = x/Sx, y' = y/Sy
- D: x' = Sx - x, y' = Sy - y
View Answer
B
Q385: Positive rotation angle means rotation is _______.
- A: clockwise
- B: anti-clockwise
- C: horizontal
- D: vertical
View Answer
B
Q386: After applying scaling factors, the circle radius changes by multiplying with _______.
- A: average of Sx and Sy
- B: Sx only
- C: Sy only
- D: both Sx and Sy separately
View Answer
A
Q387: Which matrix is used for rotating a point?
- A: Scaling matrix
- B: Rotation matrix
- C: Translation matrix
- D: Reflection matrix
View Answer
B
Q388: To move a line, we translate each of its _______.
- A: middle points
- B: end points
- C: midpoints only
- D: angles
View Answer
B
Q389: Scaling with Sx ≠ Sy results in _______ scaling.
- A: uniform
- B: differential
- C: origin-based
- D: translation
View Answer
B
Q390: Rotation about an arbitrary pivot point involves _______ steps.
- A: two
- B: three
- C: four
- D: five
View Answer
B