Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q411: Scaling with respect to a fixed point involves moving the point to the _______.
- A: Origin
- B: Destination
- C: Top right
- D: Bottom left
View Answer
A
Q412: In composite transformations, the order of transformations _______ affects the final result.
- A: Always
- B: Never
- C: Sometimes
- D: Rarely
View Answer
A
Q413: In which case matrix multiplication is commutative?
- A: Rotation and Scaling (Sx≠Sy)
- B: Translation and Rotation
- C: Rotation and Uniform Scaling (Sx=Sy)
- D: Scaling and Translation
View Answer
C
Q414: Which of the following is NOT a basic transformation?
- A: Translation
- B: Rotation
- C: Reflection
- D: Scaling
View Answer
C
Q415: Homogeneous coordinate (3x3 matrix) allows performing transformations using only _______.
- A: Addition
- B: Subtraction
- C: Multiplication
- D: Division
View Answer
C
Q416: Scaling by factors sx=3 and sy=3, then again sx=3 and sy=3 results in overall scaling factor of _______.
- A: 6
- B: 9
- C: 3
- D: 12
View Answer
B
Q417: In a composite transformation, rsij elements represent _______ terms.
- A: Scaling
- B: Rotation
- C: Translation
- D: Rotation-scaling
View Answer
D
Q418: Final coordinates after transformation can be calculated by which formula?
- A: x' = x + rsxx + trsx
- B: y' = y + rsyx + trsy
- C: x' = x.rsxx + y.rsxy + trsx
- D: y' = y.rsyx + x.rsyy + trsy
View Answer
C
Q419: The process of combining multiple transformations into a single matrix is called _______.
- A: Composition
- B: Concatenation
- C: Addition
- D: Division
View Answer
B
Q420: The general transformation combining translation, rotation and scaling is written as _______.
- A: T(tx,ty) + R(xc,yc,θ) + S(xc,yc,sx,sy)
- B: T(tx,ty).R(xc,yc,θ).S(xc,yc,sx,sy)
- C: S(xc,yc,sx,sy).T(tx,ty).R(xc,yc,θ)
- D: R(xc,yc,θ).T(tx,ty).S(xc,yc,sx,sy)
View Answer
B