Among the following process which process is known as the elimination of parts of a scene outside a window or a viewport?
1.editing
2.plucking
3.cutting
4.clipping
How many axes do 3D graphics consist of?
1.Two axes
2.Three axes
3.Five axes
4.One axis
Which of the following algorithm is a faster method for calculating pixel positions?
1.Parallel line algorithm
2.Mid-point algorithm
3.DDA line algorithm
4.Bresenham�s line algorithm
Which of the following can be used to determine the position on the data tablet?
1.Either Signal strength or coded pulse
2.Coded pulse
3.Signal strength
4.Strip microphones
Which of the following defines a pixel mask?
1.A string containing 1 and 0
2.A string containing 0 and 0
3.A string containing only 0�s
4.A string containing only 1;s
Which of the following is defined as the drawing of number of copies of the same image in rows and columns across the interface window so that they cover the entire window?
1.Zooming
2.Panning
3.Tiling
4.Roaming
Which of the following representation represents a three-dimensional object?
1.Function
2.Point
3.Polygon
4.Equation
Which part of a picture is considered and saved in exterior clipping?
1.We don�t consider the picture in exterior clipping
2.Picture which is outside the view window
3.Picture which is inside the view window
4. Picture which is on the edges of the view window
Bitmap is a collection of ____________ that describes an image.
1.pixels
2.algorithms
3.bits
4.colors
Curves in computer graphics is primarily used for which of the following function?
1.To draw different types of objects onto the screen
2.Zooming out a picture
3.Copying a picture
4.Zooming in a picture
How is the line path on the polygon area for a 45% line?
1.Vertical
2.Horizontal
3.Centered
4.None of the mentioned
If the boundary is specified in a single color and if the algorithm proceeds pixel by pixel until the boundary color is encountered is known as ____
1.Parallel curve algorithm
2.Flood-fill algorithm
3.Scan-line fill algorithm
4.Boundary-fill algorithm
In a graphical system an array of pixels in the picture are stored in which of the following locations?
1.Frame buffer
2.Processor
3.Memory
4.All of the mentioned
In which of the following method fixed pattern of a line is used to generate characters?
1.Dot-matrix method
2.Bitmap method
3.Stroke method
4.Starbust method
mong the given scientists/inventor who is known as the father of Computer Graphics?
1.Nikola Tesla
2.Ivan Sutherland
3.Ada Lovelace
4.Marie Curie
Skala� is an example of which of the following type of clipping?
1.polygon clipping
2.line clipping
3.curve clipping
4.point clipping
The Cohen-Sutherland algorithm divides the region into how many spaces?
1.9
2.8
3.7
4.6
types of translation are present in computer graphics?
1.5
2.3
3.4
4.6
What does an aspect ratio mean?
1.Ratio of vertical points to horizontal points
2.Ratio of vertical points to horizontal points and horizontal points to vertical points
3.Number of pixels
4.Ratio of horizontal points to vertical points
What is the use of voice system input?
1.To enter data
2.To initiate graphics operation and also to enter data
3.To initiate graphics operation
4.None of the mentioned
Which of the following algorithm can be used to clip a polygon in 3D space?
1.Vatti Clipping Algorithm
2.Polygon in 3D space cannot be clipped
3.Weiler Atherton Algorithm
4.Greiner Hormann Clipping Algorithm
Which of the following are the features of Computer Graphics?
1.Creation and deletion of graphics (artificial images) by computer
2.Deletion and manipulation of graphics (artificial images) by computer
3.Creation and manipulation of graphics (artificial images) by computer
4.Creation of graphics (artificial images) by computer only
Which of the following clipping process handles the clipping of strings?
1.Text Clipping
2.Exterior Clipping
3.Curve Clipping
4.Shape Clipping
Which of the following device is designed to minimize the background sound?
1.Joystick
2.Data glove
3.Microphone
4.Digitizers
Which of the following devices provides positional information to the graphics system?
1.Pointing devices
2.Both Input devices and Pointing devices
3.Output devices
4.Input devices
Which of the following is a Computer Graphics Curve?
1.Bezier Curves
2.Implicit Curves
3.Explicit Curves
4.All of the above
Which of the following is a Computer Graphics type?
1.Raster and Vector
2.Raster and Scalar
3.Scalar only
4.All of the above
Which of the following is a correct abbreviation of DDA algorithm?
1.Data differential analyzer
2.Direct differential analyzer
3.Digital difference analyzer
4.Digital differential analyzer
Which of the following is a primary output device of a graphics system?
1.Printer
2.Scanner
3.Video monitor
4.Neither Scanner nor Video monitor
Which of the following is commonly known as frame buffer on a black and white system with one bit per pixel?
1.Bitmap
2.Pix map
3.Multi map
4.All of the mentioned
Which of the following is defined as the number of pixels stored in the frame buffer of a graphics system?
1.Resalution
2.Resolution
3.Depth
4.None of the mentioned
Which of the following is defined as the process of elimination of parts of a scene outside a window or a viewport?
1.editing
2.cutting
3.plucking
4.clipping
Which of the following is defined as the sampling of object characteristics at a high resolution and displaying the result at a lower resolution?
1.Anti-aliasing
2.Super-sampling or Post-filtering
3.Post-filtering
4.Super-sampling
Which of the following is known as the window opened on the raster graphics screen in which the image will be displayed?
1.Interface window
2.World window
3.World co-ordinate system
Which of the following is not a type of area sampling?
1.Point sampling
2.Weighted area sampling
3.Anti-aliasing
4.Unweighted area sampling
Which of the following is the correct full form of the NLN line clipping algorithm?
1.Nicholai-Lee-Nicholl algorithm
2.Nicholl-Liang-Nicholl algorithm
3.Nicholl-Lee-Nicholl algorithm
4.Nicholai-Liang-Nicholl algorithm
Which of the following is the most commonly used boundary representation for a 3-dimensional graphics object?
1.Volume polygon
2.System polygon
3.Data polygon
4.Surface polygon
Which of the following is the process of digitizing a given picture definition into a set of pixel-intensity for storage in the frame buffer?
1.Scan conversion
2.True color system
3.Encoding
4.Rasterization
Which of the following is the purpose for using clipping in computer graphics?
1.copying
2.zooming
3.adding graphics
4.removing objects and lines
Which of the following is used for 3D positioning and modeling animation and other application?
1.Spac ball
2.Trackball
3.Space ball
4.All of the mentioned
Which of the following is used in graphics workstations as input devices to accept voice commands?
1.Speech recognizers
2.Touch panels
3.None of the mentioned
4.All of the mentioned
Which of the following operations can be used to zoom in or out around any axis on a three-dimensional object from its original position?
1.Rotation
2.Shearing
3.Scaling
4.Translation
Which of the following plane is used for 2D transformations?
1.Three-dimensional plane
2.Two-dimensional plane
3.One-dimensional plane
4.Four-dimensional Plane
Which of the following statements define Computer Graphics?
1.Computer Graphics refers to designing plans
2.Computer Graphics means designing computers
3.Computer Graphics refers to designing images
4.None of the above
Which of the following stores the picture information as a charge distribution behind the phosphor-coated screen?
1. Direct-view storage tube
2.Flat panel displays
3.3D viewing device
4.Cathode ray tube
Which of the following type of perspective projection is also called Angular Perspective?
1.Four-Point
2.Three-point
3.One-point
4.Two-point
Which of the following type of perspective projection is used in drawings of railway lines?
1.Three-point
2.Two-point
3.One-point
4.Perspective projection is not used to draw railway lines
Who is the first user of computer graphics?
1.William Fetter
2.Ivan Edward Sutherland
3.Ada Lovelace
4.Nicholas Williams