Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q131: In Bresenham’s algorithm, if pi < 0, what happens?
- A: y is incremented
- B: y is decremented
- C: pi is reset
- D: x is incremented only
View Answer
D
Q132: In the incremental algorithm, if the line’s slope is greater than 1, what is incremented?
- A: x
- B: y
- C: dx
- D: dy
View Answer
B
Q133: The point (10,10) to (20,18) has a slope of:
- A: 0.8
- B: 1.2
- C: 2
- D: 0.6
View Answer
A
Q134: The point (10,10) to (16,20) has a slope of:
- A: 1.2
- B: 1.8
- C: 0.6
- D: 0.9
View Answer
A
Q135: The equation used in line drawing is:
- A: y = m + b
- B: x = m*y + b
- C: y = m*x + b
- D: x = y*b
View Answer
C
Q136: A line with slope = 1 means what about x and y increments?
- A: x and y increment unequally
- B: x increases, y is fixed
- C: x and y increment equally
- D: Only y increments
View Answer
C
Q137: DDA stands for:
- A: Digital Drawing Algorithm
- B: Discrete Differential Algorithm
- C: Digital Differential Analyzer
- D: Direct Drawing Analyzer
View Answer
C
Q138: The decision variable in Bresenham’s algorithm is used to:
- A: Change colors
- B: Decide next y-value
- C: Decide next x-value
- D: Skip pixels
View Answer
B
Q139: In line drawing, the line connecting two points is the:
- A: Longest route
- B: Shortest distance
- C: Midpoint average
- D: Quadratic path
View Answer
B
Q140: A slope < 1 means:
- A: y changes more than x
- B: x changes more than y
- C: No change in y
- D: Vertical line
View Answer
B