Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q141: The DDA algorithm calculates the next point using:
- A: Tangent
- B: Cosine
- C: Fixed slope line
- D: xIncrement and yIncrement
View Answer
D
Q142: What is the formula for slope ‘m’?
- A: dy / dx
- B: dx / dy
- C: x1 / x2
- D: y1 - y2
View Answer
A
Q143: What is the distance from the center to any point on the circle called?
- A: Diameter
- B: Chord
- C: Radius
- D: Perimeter
View Answer
C
Q144: Which of the following is true about a circle’s diameter?
- A: It is half of the radius
- B: It is equal to the radius
- C: It is twice the radius
- D: It has no relation to the radius
View Answer
C
Q145: What is the value of a full angle in a circle?
- A: 180°
- B: 270°
- C: 90°
- D: 360°
View Answer
D
Q146: What is the formula for the circumference of a circle?
- A: πr²
- B: 2πr
- C: πd
- D: 2πd
View Answer
B
Q147: Which input is required to draw a circle using programming?
- A: One point and a line
- B: Two endpoints
- C: Center and radius
- D: Only radius
View Answer
C
Q148: What coordinate system uses the equation x² + y² = r² for circle drawing?
- A: Polar
- B: Cartesian
- C: Elliptical
- D: Rectangular
View Answer
B
Q149: Which of the following circle equations is correct for a center at (xc, yc)?
- A: (x + xc)² + (y + yc)² = r²
- B: (x - xc)² + (y - yc)² = r²
- C: (xc - x)² + (yc - y)² = r²
- D: (x + yc)² + (y + xc)² = r²
View Answer
B
Q150: In Cartesian circle drawing, what causes inefficiency?
- A: Floating point calculations
- B: Subtraction
- C: Missing pixels
- D: Square roots and multiplications
View Answer
D