What are Random scan and Raster scan techniques?
Techniques to display an image on the screen
Line Drawing Techniques
Polygon Drawing Techniques
None of the above
Correct Answer :
A. Techniques to display an image on the screen
The Random scan and rater scan are the display techniques using which (any one) an image is displayed on the screen.
Related Questions
Which among the following objects can be scan converted?
Point, Line, Sector, Arc
Characters
Ellipse, Rectangle, Polygons
All of the above
With reference to Random Scan Display, which of the following options is correct?
It has an electron beam that directed only to the screen areas where any picture has to be displayed.
It has a good pixel amount.
It's ideal for line drawing.
All of the above mentioned.
What is the work of control electrode?
It controls the electron beam
It established the electrode-cathode connection
Its glows the electrode
None of these
GUI stands for,
Graphical Usable Interface
Graphical User Interface
Graph Users Interface
Graphic User Interface
In a graphics system, the most prominent output device is,
VDU (Visual Display Unit)
Printer
Joystick
None of the above mentioned
A video display device with the smallest height, lowest power usage, and lightest weight is -
LED display device
CRT display device
Flat panel display device
None of the above mentioned
Which of the following are true with respect to the Window Port in computer graphics?
It represents real world coordinate system.
A window port can be defined with the help of a GWINDOW statement.
Window port is the coordinate area specially selected for the display.
All of the above
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
Which among the following is best suited for a smooth line drawing on the screen?
Random Scan Display Algorithm
Raster Scan Display Algorithm
Both a. and b.
None of the above
Which of the following statements best define Scan conversion?
The process of digitizing a known picture definition into a set of pixel-intensity for storage in the frame buffer.
Encoding the pixels into bits
Converting the draw able image into a graphical image
None of the above
A 900 rotation can be done using the raster scan technique for transformation ___
Using coping every row of a block into a column in a new frame buffer location
Using drawing a line
Using refresh a frame buffer
None of the above mentioned
Who among the following developed the CRT (Cathode Ray Tube)?
Charles Darwin
Ferdinand Barun
Thomas Alva Edison
None of the above
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
Which of the following defines the mapping of points from some domain to bits?
Pix-map
Graph
Bitmap
All of the mentioned
Which among the following is not merit (advantage) of the Cathode Ray Tube?
It runs at highest pixel ratio
It is less expensive than any other display technology
It is very large, heavy and bulgy
None of the above
In ___ a beam of the electron is directed only to the screen areas where any picture has to be displayed or drawn on the screen.
Video Display
Raster Scan Display
Random Scan Display
All of the above mentioned
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
Which of the following is true with respect to the Bresenham's line drawing algorithm?
It overcomes the drawbacks of DDA line drawing algorithm
The DDA algorithm was proposed to overcome the limitations of Bresenham's line drawing algorithm
Both a. and b.
None of the above
In a graphical user interface, the most common input device is,
Mouse
Keyboard
Monitor
Joy stick
Why is the complexity of Bresenham's line drawing algorithm less than that of DDA line drawing algorithm?
It uses floating point operations over integer addition and subtraction
It considers only selected ranged inputs
It uses integer addition and subtraction over floating point operations
None of the above
An efficient transformation method in which an object may shift form one coordinate position to any other coordinate position in a three-dimensional plane -
Rotation
Translation
Scaling
All of the mentioned above
Which of the following line-generating algorithms is the most effective and efficient?
Midpoint algorithm
Bresenham's Line algorithm
DDA algorithm
None of the mentioned 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 transformation of the entity in relation to an axis is called the reflection image.
Reflection
Translation
Only A
Only B
PPI stands for,
Pixel per inch
Photos per instruction
Pixels per image
None of the above
What are Random scan and Raster scan techniques?
Techniques to display an image on the screen
Line Drawing Techniques
Polygon Drawing Techniques
None of the above
Which devices provide the graphics framework with positional data?
Output devices
Storage devices
Input devices
Both B and C
What is the pixel range for an RGB image?OrWhat is the minimum and maximum possible value for each of the pixels of an RGB image?
0 - 23
0 - 224
0 - 1
None of the above
A line segment of a polygon may also be referred as,
Line
Vertices
Edges
All of the mentioned above
A graphic systems core hardware components are,
Display Processor and CPU
Output device and Input
Display devices, recorder
None of above mentioned