Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q421: The translation matrix T(tx, ty) in homogeneous form is _______.
- A: 10tx;01ty;0011 0 tx; 0 1 ty; 0 0 110tx;01ty;001
- B: 01tx;10ty;0010 1 tx; 1 0 ty; 0 0 101tx;10ty;001
- C: 100;tx1ty;0011 0 0; tx 1 ty; 0 0 1100;tx1ty;001
- D: 1tx0;ty10;0011 tx 0; ty 1 0; 0 0 11tx0;ty10;001
View Answer
A
Q422: The scaling matrix S(sx, sy) in homogeneous form is _______.
- A: sx00;0sy0;001sx 0 0; 0 sy 0; 0 0 1sx00;0sy0;001
- B: 1sx0;sy10;0011 sx 0; sy 1 0; 0 0 11sx0;sy10;001
- C: sx10;0sy1;001sx 1 0; 0 sy 1; 0 0 1sx10;0sy1;001
- D: 10sx;01sy;0011 0 sx; 0 1 sy; 0 0 110sx;01sy;001
View Answer
A
Q423: The rotation matrix R(θ) in homogeneous form is _______.
- A: cosθsinθ0;−sinθcosθ0;001cosθ sinθ 0; -sinθ cosθ 0; 0 0 1cosθsinθ0;−sinθcosθ0;001
- B: cosθ−sinθ0;sinθcosθ0;001cosθ -sinθ 0; sinθ cosθ 0; 0 0 1cosθ−sinθ0;sinθcosθ0;001
- C: cosθsinθ1;−sinθcosθ0;001cosθ sinθ 1; -sinθ cosθ 0; 0 0 1cosθsinθ1;−sinθcosθ0;001
- D: cosθsinθ0;−cosθsinθ0;001cosθ sinθ 0; -cosθ sinθ 0; 0 0 1cosθsinθ0;−cosθsinθ0;001
View Answer
B
Q424: What is the main purpose of using drawing primitives?
- A: Display output
- B: Input handling
- C: Memory allocation
- D: File saving
View Answer
A
Q425: In screen coordinates, where is y=0 located?
- A: Bottom edge
- B: Center
- C: Top edge
- D: Left edge
View Answer
C
Q426: The screen dimensions used in the table example are ________.
- A: 800×600
- B: 640×480
- C: 320×240
- D: 1024×768
View Answer
B
Q427: The width of the table in the example is ________.
- A: 10
- B: 14
- C: 20
- D: 24
View Answer
C
Q428: The height of the table in the drawing example is ________.
- A: 10
- B: 14
- C: 20
- D: 24
View Answer
A
Q429: The x-coordinate of the left edge of the table is set at ________.
- A: 300
- B: 310
- C: 320
- D: 330
View Answer
B
Q430: The y-coordinate of the top edge of the table is ________.
- A: 233
- B: 247
- C: 240
- D: 250
View Answer
A