Computer Graphics MCQs with answers Page - 7

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Q. Following statement(s) is/are true about flood fill algorithm

  • (A) it need a seed pixel
  • (B) it works at pixel level
  • (C) requires more memory
  • (D) all of above

A

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Q. Following statement(s) is/are false about flood fill algorithm

  • (A) it doesn’t need a seed pixel
  • (B) it works at pixel level
  • (C) requires more memory
  • (D) all of above

A

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Q. Seed pixel in flood fill Algorithm is an

  • (A) an interior pixel
  • (B) exterior pixel
  • (C) not a pixel
  • (D) it is color of pixel

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Q. In Boundary Fill method ____________ Data Structure is used.

  • (A) stack
  • (B) array
  • (C) heap
  • (D) none of above

A

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Q. The 4-connected Polygon filling technique has disadvantage(s) as

  • (A) requires more memory
  • (B) may fill polygon partially
  • (C) stack overflow
  • (D) all of above

A

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Q. In --------------algorithm edges can be specified in different color.

  • (A) flood fill
  • (B) boundary fill
  • (C) dda fill
  • (D) bsa fill

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Q. The process of coloring the area of a polygon is called

  • (A) polygon filling
  • (B) polygon flow
  • (C) aliasing
  • (D) none of these

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Q. Boundary fill algorithm uses -------- call to the fill function.

  • (A) recursive
  • (B) static
  • (C) one
  • (D) none of these

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Q. Boundary fill algorithm needs–

  • (A) boundary color (bc) and (x,y) coordinates of seed point.
  • (B) fill color (fc) and (x,y) coordinates of seed point.
  • (C) boundary color (bc), fill color (fc) and (x,y) coordinates of seed point.
  • (D) (x,y) coordinates of seed point.

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Q. Which polygon fill algorithm needs following information - 1.Boundary Color (BC), 2. Fill Color (FC) and 3. (x,y) coordinates of seed point.

  • (A) boundary fill
  • (B) region fill
  • (C) scan fill
  • (D) dda fill

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