MCQ | Line Drawing Algorithms in Computer Graphics

by saraalalwane
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Computer graphics

Multiple choice questions and answers (MCQ) based on the Line Drawing Algorithms in computer graphics with 4 choices, correct answer and explanation.

questions

Title
What is the formula for calculating the slope 'm' of a line? What is the formula for calculating the slope 'm' of a line? m = dx / dy m = dy / dx y = mx + c None of the above discuss The answer is: A. m = dx / dy
Which of the following is a line drawing algorithm? Which of the following is a line drawing algorithm? Line equation algorithm Digital Differential Analyzer (DDA) algorithm Bressenham's algorithm All of the above discuss The answer is: D. All of the above
Which of the following statements is not true with respect to the Digital Differential Analyzer (DDA) algorithm? Which of the following statements is not true with respect to the Digital Differential Analyzer (DDA) algorithm? It is an incremental method of scan conversion of line In this method, calculation is performed at each step but by using the results of previous steps. This algorithm can also be used to draw circle None of the above discuss The answer is: C. This algorithm can also be used to draw circle
Which of the following options is not correct according to the definition of Bresenham's line drawing algorithm? Which of the following options is not correct according to the definition of Bresenham's line drawing algorithm? It gives a close approximation of points of line by determining n-dimensional raster that should be selected. It is an incremental error algorithm. It gives exact line points. None of the above discuss The answer is: C. It gives exact line points.
"The Digital Differential Analyzer (DDA) algorithm is an incremental method of scan conversion of line." Based upon the above statement, determine whether the following condition is true or false. "The DDA algorithm uses the results of previous step for determining the value of the ne "The Digital Differential Analyzer (DDA) algorithm is an incremental method of scan conversion of line." Based upon the above statement, determine whether the following condition is true or false. "The DDA algorithm uses the results of previous step for determining the value of the next step." True False discuss The answer is: A. True

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