Computer Graphics MCQ

Test your knowledge with important Computer Graphics MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Computer Graphics MCQs on Bissoy. Bissoy App

• What is the use of Coherence techniques along and between scan lines?
  ক

  To simplify the calculations

  খ

  To determine the area edges

  গ

  To find polygon region

  ঘ

  To correct interior area
• Another method for determining the percentage of pixel area within a boundary is
  ক

  Mid-print algorithm

  খ

  Mid-point algorithm

  গ

  Pixel intensity

  ঘ

  By using inquiry functions
• Super-sampling methods can be applied by
  ক

  Sub-dividing the total area

  খ

  Determining the number of sub-pixels inside the area

  গ

  Both a and b

  ঘ

  Only b
• The technique that is more accurate method for anti-aliasing lines is
  ক

  Filtering

  খ

  Area-sampling

  গ

  Super-sampling

  ঘ

  None
• An array of values specifying the relative importance of sub-pixel is referred as________ of sub-pixel weights.
  ক

  Sub-mask

  খ

  Mask

  গ

  Pixel phasing

  ঘ

  Pixel weighting
• For a 45% line, the line path is________ on the polygon area.
  ক

  Horizontal

  খ

  Centered

  গ

  Vertical

  ঘ

  Any of these
• The procedure that increases the number of intensity levels for each pixel to total number of sub-pixels is
  ক

  Area-sampling

  খ

  Anti-aliasing

  গ

  Super-sampling procedure

  ঘ

  Only c
• If we want to use more intensity levels to anti-alias the line, then
  ক

  We increase the number of sampling positions

  খ

  We decrease the number of sampling positions

  গ

  We increase the number of pixels

  ঘ

  Only c
• Raster objects can also be anti-aliased by shifting the display location of pixel areas is known as
  ক

  Super-sampling

  খ

  Pixel shaping

  গ

  Pixel phasing

  ঘ

  Any of these
• Area-sampling is also known as
  ক

  Pre-filtering

  খ

  Pixel phasing

  গ

  Post-filtering

  ঘ

  Anti-aliasing
• Anti-aliasing by computing overlap areas is referred to as
  ক

  Area-sampling

  খ

  Super-sampling

  গ

  Pixel phasing

  ঘ

  Only b
• The sampling of object characteristic at a high resolution and displaying the result at a lower resolution is called?
  ক

  Super-sampling

  খ

  Post-filtering

  গ

  Anti-aliasing

  ঘ

  a or b
• Nyquist sampling frequency formula is
  ক

  fs=2fmax

  খ

  fs=2fmin

  গ

  fs=fmax

  ঘ

  fs=fmin
• To avoid losing information from periodic objects we need
  ক

  Sampling frequency twice

  খ

  Nyquist sampling frequency

  গ

  Both a or b

  ঘ

  Neither a nor b
• The distortion of information due to low-frequency sampling is known as
  ক

  Sampling

  খ

  Aliasing

  গ

  Inquiry function

  ঘ

  Anti-aliasing
• In perspective projection, we can use the front clipping plane to take out which of the following object that are close to the view plane?
  ক

  Large Objects

  খ

  Small Objects

  গ

  Near Objects

  ঘ

  Far Objects
• Front and back clipping planes allows us to clip the scene from view volume on the basis of which parameter?
  ক

  Length

  খ

  Breadth

  গ

  Depth

  ঘ

  Height
• How can an infinite view volume be changed into a finite view volume?
  ক

  By changing the length of window boundaries

  খ

  By changing the angle of projection

  গ

  By changing the size of the window

  ঘ

  By specifying positions for one or two additional boundary planes
• Which of the following parameter defines the shape of the view volume of a scene?
  ক

  Window boundaries

  খ

  Size of the window

  গ

  Type of Projection

  ঘ

  Window edges
• Which of the following parameter defines the size of the view volume of a scene?
  ক

  Window boundaries

  খ

  Size of the window

  গ

  Type of Projection

  ঘ

  Window edges
• View volumes is setup using which of the following parameter?
  ক

  Window boundaries

  খ

  Window edges

  গ

  World coordinates

  ঘ

  Projection window
• Which of the following parameters determines how much of the scene is caught in a film while photography?
  ক

  Distance of camera from scene

  খ

  Size of scene

  গ

  Type of lens

  ঘ

  Angle of camera
• How many axis intersects with the projection plane in the three-point perspective projection?
  ক

  One

  খ

  Two

  গ

  Three

  ঘ

  No axis intersects the projection plane
• In perspective projection, at which of the following point the eyes of the observer are located?
  ক

  Vanishing Point

  খ

  Perspective Point

  গ

  Observer Point

  ঘ

  Station Point
• Which of the following type of perspective projection is also called as “Angular Perspective”?
  ক

  One-point

  খ

  Two-point

  গ

  Three-point

  ঘ

  Four-Point
• In perspective projection, which of the following is the point where all lines will appear to meet?
  ক

  Projectors

  খ

  Projection Plane

  গ

  Point of Projection

  ঘ

  Vanishing Point
• In perspective projection, what happens to the size of the image when the object moves far from the projection plane?
  ক

  There is no change in size of image

  খ

  Size of image gets bigger

  গ

  Size of image gets smaller

  ঘ

  There is no image in perspective projection
• Perspective projection can be divided into how many categories?
  ক

  3

  খ

  4

  গ

  5

  ঘ

  6
• What is the distance of centre of projection from the projection plane in perspective projection?
  ক

  There is an infinite distance

  খ

  There is a finite distance

  গ

  Point of projection lies on the projection plane itself

  ঘ

  Distance between centre of projection and projection plane cannot be told
• In which of the following projection, the object size differs when look from different distances?
  ক

  Parallel Projection

  খ

  Cavalier Projection

  গ

  Perspective projection

  ঘ

  Cabinet Projection