Computer Graphics MCQ-8

Q.1 The transformation that produces a parallel mirror image of an object is called?

• A) Transformation
• B) Scaling
• C) Reflection
• D) Rotation

Q.2 In computer graphics, 'Aliasing' is most commonly recognized as the?

• A) Shading effect
• B) Rendering effect
• C) Staircase effect
• D) None

Q.3 What is the amount of memory or the individual layers in a frame buffer called?

• A) Bit plane
• B) Plane
• C) Bit
• D) None

Q.4 In the Bresenham’s line algorithm, the error term is typically initialized to?

• B) 1
• C) -1/2
• D) None

Q.5 Which of the following is considered a 'perspective anomaly' in 3D projection?

• A) Oblique
• B) Vanishing point
• C) Cavalier
• D) None

Q.6 Raster graphics are fundamentally composed of a grid of individual dots called?

• A) Pixels
• B) Lines
• C) Paths
• D) None

Q.7 What does the acronym GIF stand for in image file formats?

• A) Global image format
• B) Global interchange format
• C) Graphics interchange format
• D) None

Q.8 Identify the 'odd one out' among these computer components based on their primary function:

• A) Mouse
• B) Keyboard
• C) Track ball
• D) Space Ball

Q.9 The reflection of an object through the origin is equivalent to a rotation with which angle?

• A) 45 degree
• B) 90 degree
• C) 120 degree
• D) 180 degree

Q.10 A standard GIF image file supports a maximum of how many distinct colors?

• A) 256 colours
• B) 128 colours
• C) 524 colours
• D) 1 million colours

Q.11 Which of the following is a primary example of a non-impact printer?

• A) Drum plotter
• B) Electronic printer
• C) Laser printer
• D) All of these

Q.12 The memory area that holds the intensity values for all points on a screen is known as the?

• A) Frame buffer
• B) Refresh RAM
• C) Video cache
• D) None

Q.13 The process of selecting and viewing a specific part of a picture is called?

• A) Clipping
• B) Windowing
• C) Projecting
• D) None

Q.14 Which type of compression results in some loss of original image quality?

• A) Lossless
• B) Lossy
• C) Both A & B
• D) None

Q.15 Which device is specifically used in virtual reality to grasp or manipulate virtual objects?

• A) Data glove
• B) Digitizer
• C) Touch panels
• D) None

Q.16 According to the provided key, which of the following is NOT a standard image file format?

• A) tiff
• B) bmp
• C) jpg
• D) None

Q.17 The 'Beam Penetration' method for producing color is usually used in which display type?

• A) Raster scan display
• B) LCD
• C) Random scan display
• D) Dust

Q.18 What is a major mathematical disadvantage of the DDA (Digital Differential Analyzer) algorithm?

• A) Round off error
• B) Subtraction error
• C) Addition error
• D) None

Q.19 Which type of hardware provides positional information to a computer graphics system?

• A) Input devices
• B) Output devices
• C) Pointing devices
• D) Both A & C

Q.20 What is the standard parametric equation of a straight line between two points P0 and P1?

• A) P(t) = P0+(P1+P0)t
• B) P(t) = P0+(P1-P0)t
• C) P(t) = P0-(P1-P0)t
• D) P(t) = P0-(P1+P0)t