Computer Graphics Solved MCQs

Computer Graphics Solved MCQs

The basic element of a picture in volume graphics is ...


The basic element of a picture in volume graphics is

Pixel
Volsel
Voxel
None of above
      _____________________________________________________________________________________
The ISO standard for computer Graphics is

Graphics Kernel System
Graphics Standard System
Computer graphics standard
None of above
      _____________________________________________________________________________________
The amount of light emitted by the phosphor coating depends on the?

Number of electrons striking the screen
Speed of electrons striking the screen
Distance from the cathode to the screen
None of above
      _____________________________________________________________________________________
The best hidden surface removal algorithm is

Painters
Depth buffer
Area subdivision
Depends on the application
      _____________________________________________________________________________________
Computer generated models of physical,financial and economic systems are often used for ?

Entertainment
Quality Control
Educational Aid
None of above
      _____________________________________________________________________________________
The ......... simply reads each successive byte of data from the frame buffer

Digital Controller
Data Controller
Display Controller
All of above
      _____________________________________________________________________________________
The subcategories of orthographic projection are

Cavalier, cabinet, isometric
Cavalier, cabinet
Isometric, dimetric, trimetric
Isometric, cavalier, trimetric
      _____________________________________________________________________________________
The anti - aliasing technique which allows shift of 1/4,1/2 and 3/4 of a pixel diameter enabling a closer path of a line is ?

Pixel phasing
Filtering
Intensity compensation
Sampling technique
      _____________________________________________________________________________________
The perspective anomaly in which the object behind the centre of projection is projected

Perspective foreshortening
Vanishing view
View confusion
Topological distortion
      _____________________________________________________________________________________
The refresh rate below which a picture flickers is

25
30
35
60
      _____________________________________________________________________________________
Back face removal is an example of

Object space method
Image space method
Combination of both
None of above
      _____________________________________________________________________________________
All the hidden surface algorithms employee image space approach except ?

Back face removal
Depth buffer method
Scan line method
Depth sort method
      _____________________________________________________________________________________
Input function are used for

Control the data flow from these interactive devices
Process the data flow from these interactive devices
Both a & b
None of these
      _____________________________________________________________________________________
Fractals deals with curves that are

Irregularly irregular
Regularly irregular
Irregularly regular
Regularly regular
      _____________________________________________________________________________________
The point at which a set of projected parallel lines appear to converge in called as a

Convergence point
Vanishing point
Point of illusion
Point of delusion
      _____________________________________________________________________________________
Graphics and image processing technique used to produce a transformation of one object into another is called

Animation
Morphine
Half toning
None of above
      _____________________________________________________________________________________
Which of the following device has a relative origin

Joystick
Track ball
Mouse
None of above
      _____________________________________________________________________________________
The technique used to summarize the financial, statistical, mathematical,scientific and economic data is ?

Computer Art
Image processing
Presentation Graphics
None of above
      _____________________________________________________________________________________
The maximum number of points that can be displayed without overlap on a CRT is refereed to as

Resolution
Persistence
Attenuation
None of above
      _____________________________________________________________________________________
A view graph is

An oversized slide designed for presentation on an O.H.P
Designed and created by exposing film to the output of the graphics system
A hard copy chart
None of the above
      _____________________________________________________________________________________
Computer Graphics models are now commonly used for making ?

Motion pictures
Music Videos
Television shows
All of above
      _____________________________________________________________________________________
Assuming that one allows 256 depth value levels to be used how much memory would a 512 x 512 pixel display require to store the z-buffer

5l2 k
256 k
1024 k
128 k
      _____________________________________________________________________________________
Raster scan systems display a picture from a definition in a

Display file program
Frame buffer
Display controller
None of the above
      _____________________________________________________________________________________
In a clipping algorithm of Cohen & Sutherland using region codes, a line is already clipped if the

Logical AND of the end point code is not 0000
Logical OR of the end points code is 0000
Logical AND of the end point code is 0000
A and B
      _____________________________________________________________________________________
In displaying a clipped picture the efficient method is ?

Clipping against the window and then applying the window transformation
Applying window transformation and then clipping against the viewport
Both A and B have the same efficiency
Efficiency depends on whether the window is an aligned rectangle or not
      _____________________________________________________________________________________
A surface appearing block

Reflects all the incident colors
Reflects all the incident colors expect block
Reflects only block and absorbs the rest
Reflects none
      _____________________________________________________________________________________
Interactive computer graphics uses various kind of input devices such as

Mouse
Graphic tablet
Joystick
All of these
      _____________________________________________________________________________________
........ used to regulate the flow of elections in CRT ?

Electronic Gun
Focusing electrode
Control electrode
All of the above
      _____________________________________________________________________________________
The light pen is an

Graphics input device
Graphics output device
Both a & b
None of these
      _____________________________________________________________________________________
A joystick is a

Graphics input device
Graphics output device
Both a & b
None of these
      _____________________________________________________________________________________
The glow given off by the, phosphor during exposure of the electron beam is known as ?

Fluorescence
Phosphorescence
Persistence
All of the above
      _____________________________________________________________________________________
If a and b are the end points of a line, then which one of the following is true ?

If a and b are the end points of a line, then which one of the following is true ?
If both end points are left, right, above or below the window, the line is completely visible.
If both end points are left, right, above or below the window, the line is trivially visible.
If both end points are left, right, above or below the window, the line is trivially invisible
      _____________________________________________________________________________________
If the eccentricity is less than one then the conic is

Circle
Parabola
Ellipse
Hyperbola
      _____________________________________________________________________________________
Special System designed for some training application are known as ?

GUI
Simulators
Video Display Devices
None of above
      _____________________________________________________________________________________
When several types of output devices are available in graphics installation, it is convenient to use ?

Bundled attributes
Unbundles attributes
Inquiry attributes
All of above
      _____________________________________________________________________________________
Gray scale is used in ?

Monitor that have color capability
Monitor that have no color capability
Random scan display
None of above
      _____________________________________________________________________________________

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COMPUTER SCIENCE SOLVED MCQS: Computer Graphics Solved MCQs
Computer Graphics Solved MCQs
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