Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q371: Rotation by a positive angle is _______.
- A: clockwise
- B: random
- C: anti-clockwise
- D: linear
View Answer
C
Q372: In rotation, what are the required parameters?
- A: Coordinates only
- B: Rotation angle only
- C: Coordinates and rotation angle
- D: Pivot point only
View Answer
C
Q373: If rotation is performed around an arbitrary point, which transformations are needed?
- A: Only scaling
- B: Translation and then rotation
- C: Only translation
- D: Reflection and rotation
View Answer
B
Q374: What is the formula for x' in rotation around origin?
- A: x′ = x cosθ + y sinθ
- B: x′ = x cosθ - y sinθ
- C: x′ = x sinθ + y cosθ
- D: x′ = x sinθ - y cosθ
View Answer
B
Q375: In rotation matrix, what is changed to obtain transpose?
- A: Cosine terms
- B: Sine terms' sign
- C: Angle value
- D: Matrix order
View Answer
B
Q376: If rotation angle is negative, rotation direction is _______.
- A: clockwise
- B: anti-clockwise
- C: straight
- D: random
View Answer
A
Q377: Scaling is used to _______ the size of an object.
- A: move
- B: rotate
- C: change
- D: fix
View Answer
C
Q378: In scaling, Sx and Sy are called _______.
- A: displacement factors
- B: scaling factors
- C: rotation factors
- D: shear factors
View Answer
B
Q379: A scaling factor greater than 1 will _______ the object.
- A: reduce
- B: invert
- C: increase
- D: rotate
View Answer
C
Q380: Uniform scaling occurs when _______.
- A: Sx = Sy
- B: Sx ≠ Sy
- C: Sx > Sy
- D: Sy > Sx
View Answer
A