Raster scan systems generally use ___ to display an image.
Frame buffer
Display controller
Display file program
None of the These
Correct Answer :
A. Frame buffer
In a raster scan system, an electron beam sweeps through the panel, one row at a time, from top to bottom. In his process a frame buffer uses.
Related Questions
Which display device allows a user to move around an object and can be shown it from different angles?
Flat Panel Display Devices
Direct View Storage Tubes
3D Devices
CRT
Amongst which one of the most basic transformation methods which may applied in three-dimensional planes -
Rotation
Translation
Scaling
All of the mentioned above
The colour transformation is performed in the centre of the process___
Dual color model
Single color model
Rotation color model
None of these
The main role of a frame buffer is the ___ of the video signals that drive the display device.
Storage, conditioning, and output
Same speed
Different speed
None of the mentioned above
In which of the following transformation methods of Computer Graphics is the Shape of the Object not deformed?
Translation
Shearing
Both a. and b.
None of the above
Which of the following options is correct in accordance with the Random Scan Display Algorithm?
It is best suited for line drawing algorithm.
It has a high resolution.
It has an electron beam which strikes only that part of the screen where the drawing is needed.
All of the above
GUI stands for,
Graphical Usable Interface
Graphical User Interface
Graph Users Interface
Graphic User Interface
A graphic systems core hardware components are,
Display Processor and CPU
Output device and Input
Display devices, recorder
None of above mentioned
Fill in the blank:Each pixel has some intensity value which is represented in memory of the computer. This memory part is known as the ____________.
Frame Buffer
Random Access Memory (RAM)
Picture Memory
None of the above
Which among the following objects can be scan converted?
Point, Line, Sector, Arc
Characters
Ellipse, Rectangle, Polygons
All of the above
Which of the following sentence used in application software to specify line-type attributes?
SETLINE ()
SETLINE TYPE (lt)
Both of the above mentioned
None of the above mentioned
The term DDA in the DDA algorithm stands for:
Digital difference analyzer
Direct differential analyzer
Digital differential analyzer
Data differential analyzer
The translation of a specified picture description into a series of pixel-intensity values for storage in the frame buffer is known as digitization, it is also known as ...,
Scan conversion
Randomization
Rasterization
Encoding
What is the main reason behind developing algorithms for scan conversion?
The algorithms can generate graphics objects at a faster rate here.
Here, the memory can be efficiently used
Both a. and b.
None of the above
A line segment of a polygon may also be referred as,
Line
Vertices
Edges
All of the mentioned above
Can we represent multiple scenes from a real-world coordinate system on the viewport? If yes, how?
By using multiple viewports
By using multiple window ports
Both a. and b.
No, we cannot represent multiple scenes from a real-world coordinate system on the viewport
Which of the following is a better option for drawing a smooth line on the screen?
Raster Scan Display
Random Scan Display
Both A and B
None of the above mentioned
An efficient transformation method which produces a parallel mirror image of an object is also referred as,
Rotation
Reflection
Shear
All of the mentioned above
An instrument that transforms electrical energy into light are referred to as,
Liquid Crystal Display
Light Crystal Display
Liquid Crystal Diode
None of the above mentioned
The ___ between the strong regions equal to the duration of the dashed lines.
Very short dashes
Inter dash spacing
Both A and B
None of these
Which of the following properties is followed by the Bresenham's algorithm?
It is an incremental method
It chooses points randomly
It uses floating point operations
All of the above
A display controller converts 0s and 1s to the ...
Display Devices
Video signal
Text wrapping
None of the above mentioned
The fundamental geometric transformations are as follows:
Scaling
Translation
Rotation
All of the Above
Which of the following is a matrix form of 2D translation equation is,
P'=R*P
P'= P + R
P'= P / R
None of the above mentioned
Which of the following transformation techniques is responsible for altering (either enlarging it or diminishing it) the size of the object?
Translation
Rotation
Scaling
None of the above
A two-dimensional point is transformed by inserting.
Translation vector
Shift vector
Translation distances
Both A and B
Which part of CRT monitor is responsible for clear picture on the screen?
Phosphorus Screen
Deflection Yoke
Focusing System
Colored Lights of the screen
What is a necessary to specify to generate rotation?
Specific distances between dx and dy
Rotation angle ?
Scaling
Repositioning
The distances between two points (dx, dy) are referred to as translation distances (dx, dy).
Translation vector or Shift vector
Translation difference
Only B
None of these
CRT stands for,
Cathode Random Tunnel
Cathode Ray Tube
Cathode Random Tube
Cathode Ray Tunnel