Computer Graphics MCQs and Notes

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📊 Computer Graphics
Q. Choose the incorrect statement from the following about the basic ray tracing technique used in image synthesis ?
  • (A) In this technique rays are cast from the eye point through every pixel on the screen
  • (B) In this technique, viewing transformation are not supplied to the scene prior to rendering
  • (C) This technique removes hidden surfaces.
  • (D) In this technique rays are cast from the light source to the object in the scene
💬 Discuss
✅ Correct Answer: (D) In this technique rays are cast from the light source to the object in the scene
📊 Computer Graphics
Q. Which of the following statement is true ?
  • (A) Request, sample and event are the three basic modes of input
  • (B) Keyboard is a device ideally suited for use in sample mode
  • (C) A mouse is typically a device for inputting an absolute position on the screen
  • (D) Special graphics hardware support is essential for providing menu-driven user interface to an application
💬 Discuss
✅ Correct Answer: (A) Request, sample and event are the three basic modes of input
📊 Computer Graphics
Q. All the hidden surface algorithms employe image space approach except ?
  • (A) Back face removal
  • (B) Depth buffer method
  • (C) Scan line method
  • (D) Depth sort method
💬 Discuss
✅ Correct Answer: (A) Back face removal
📊 Computer Graphics
Q. Hue of color is related to ?
  • (A) Luminance
  • (B) Saturation
  • (C) Incandescence
  • (D) Wavelength
💬 Discuss
✅ Correct Answer: (D) Wavelength
📊 Computer Graphics
Q. The algorithm of hidden surface is
  • (A) Object-space method
  • (B) image-space method
  • (C) Both a & b
  • (D) None of these
💬 Discuss
✅ Correct Answer: (C) Both a & b
📊 Computer Graphics
Q. Why we need removal of hidden surface
  • (A) for displaying realistic view
  • (B) for determining the closest visible surface
  • (C) Both a & b
  • (D) None of these
💬 Discuss
✅ Correct Answer: (C) Both a & b
📊 Computer Graphics
Q. 24 The problem of hidden surface are
  • (A) Removal of hidden surface
  • (B) Identification of hidden surface
  • (C) Both a & b
  • (D) None of these
💬 Discuss
✅ Correct Answer: (C) Both a & b
📊 Computer Graphics
Q. The surfaces that is blocked or hidden from view in a 3D scene are known as
  • (A) Hidden surface
  • (B) Frame buffer
  • (C) Quad tree
  • (D) None of these
💬 Discuss
✅ Correct Answer: (A) Hidden surface
📊 Computer Graphics
Q. Which is a tree type of data structure in which every internal node has at most four children?
  • (A) Point quad tree
  • (B) Edge quad tree
  • (C) Quad tree
  • (D) None of these
💬 Discuss
✅ Correct Answer: (C) Quad tree

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