Computer Graphics

21. A display controller serves to pass the contents of

  1. Frame buffer to monitor
  2. Monitor to frame buffer
  3. Both a & b
  4. None of these

Correct answer: (A)
Frame buffer to monitor

22. A fast and simple method for rendering an object with polygon surface is

  1. Constant-intensity shading
  2. Flat shading
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

23. A graphics package contains

  1. No of housekeeping task such as clearing a display screen
  2. No of housekeeping task such as initializing parameters
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

24. A graphics tablet works on same principal as

  1. Light pen
  2. Monitor
  3. Projector
  4. None of these

Correct answer: (A)
Light pen

25. A joystick is consisting of a

  1. Pen
  2. Stick
  3. Microphone
  4. None of these

Correct answer: (B)
Stick

26. A line can be represented by

  1. One point
  2. Two points
  3. Three points
  4. Four points

Correct answer: (B)
Two points

27. A major disadvantage of DUST in interactive computer graphics is

  1. Ability to selectively erase part of an image
  2. Inability to selectively erase part of image from screen
  3. Inability to produce bright picture
  4. None

Correct answer: (B)
Inability to selectively erase part of image from screen

28. A many sided figure is termed as

  1. Square
  2. Polygon
  3. Rectangle
  4. None

Correct answer: (B)
Polygon

29. A octree is a data structure which is used for alternative representation of

  1. 2D digital picture or object
  2. 3D picture or object
  3. Both a & b
  4. None of these

Correct answer: (B)
3D picture or object

30. A palette can be defined as a finite set of colors for managing the

  1. Analog images
  2. Digital images
  3. Both a & b
  4. None of these

Correct answer: (B)
Digital images

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