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NPTEL Computer Graphics Week 7 Assignment Answers 2024
1. In the fifth stage of graphics pipeline, we map the discrete pixels into continuous form to render them on the device-screen.
a. True
b. False
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2. To scan convert during line scan conversion, need to map points on line to the appropriate pixels.
a. True
b. False
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3. DDA stands for _______________.
a. Digital Drawing Analyzer
b. Digital Differential Analyzer
c. Digital Differential Adder
d. Digital DrawingAdder
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4. The DDA line drawing algorithm completely eliminates floating point operations.
a. True
b. False
Answer :-
5. In Bresenham’s algorithm we choose pixels at each step depending on the _______________.
a. sign of decision parameter
b. magnitude of the decision parameter
Answer :-
6. In Mid-point algorithm, we evaluate function at the _______________ of two candidate pixels
a. max point
b. midpoint
c. min point
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7. A region (fill area) is defined broadly in two ways: pixel level and _______________.
a. voxel
b. geometric
c. line
d. buffer
Answer :-
8. Font is rendered broadly in two ways: one is “bitmapped” and another is “______________”.
a. JPEG
b. PNG
c. Outlined
d. vectored
Answer :-
9. Bitmapped fonts simple to define and fast to render.
a. True
b. False
Answer :-
10. The distortion that occurs to the original object shapes due to scan conversion is known as __________.
a. aliasing
b. anti-aliasing
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