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
Correct Answer :
A. Liquid Crystal Display
Liquid Crystal Display transforms electrical energy into light.
Related Questions
A beam of electron moves through each row, its intensity is alternatively turned ___ which helps to create a pattern of spots that are illuminated.
On and off
Power interrupt
Up and down
All of the above mentioned
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 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
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
The process of transforming a 2D world-coordinate object to device coordinates is termed as:
Window to Viewport Transformation
Viewing Transformation
Windowing Transformation
All of the 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
The fundamental geometric transformations are as follows:
Scaling
Translation
Rotation
All of the Above
Which of the following ports resembles the coordinates from the real-world system?
Window port
View Port
Universal Port
None of the above
Which of the following is defined by the number of pixels present in the frame buffer?
Resolution
Depth
Both a. and b.
None of the above
The inside of the Cathode Ray Tube is coated with what material?
Fluorescent powder
No coating
Phosphorus
None of the above
Which of the following best defines Scan Conversion in computer graphics?
It is a process of representing graphics objects as a collection of pixels
It is a process of converting colored images to grayscale images.
It is a process of converting handmade drawing to computer pictures through a scanner
None of the above
The transformation set is also known as,
Translation difference
Rotation colour model
Colour Mapping Functions
None of these
The amount of pixels contained in a graphics system's frame buffer is referred to as,
Resolution
Screen Size
Screen Color
None of the above mentioned
Raster Scan Displays is used to describe,
Screen
Display
Matrix
Array
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.
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
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
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
What value of the rotation angle rotates the object in clockwise direction?
Positive Value
Negative value
Value less than 180 degree
All of the above
In Bressenhams line algorithm, there are certain conditions for deciding the successive parameters. Of the distances d1
Positive
Equal
Negative
Can be any 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
Translation equation:x1 = x + Txy1 = y + TyWhat is another name for the Translation pair (Tx, Ty)?
Shift Vector
Shift Coordinates
Translation points
None 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 one of the following does not fit for Random Scan and Raster Scan?
Polygon Drawing Techniques
Line Drawing Techniques
Techniques to display an image on the screen
Only A
Who among the following developed the CRT (Cathode Ray Tube)?
Charles Darwin
Ferdinand Barun
Thomas Alva Edison
None of the above
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
We set all scale factors to reduce the object's dimension.
Greater than 0
Less than 1
in Between 0 and 1
None of the Above
Consider the following statement:
The boundary is specified in a single color, and the algorithm proceeds pixel by pixel until the boundary color is encountered.
The above statement defines which of the following algorithms?
Scan-line fill algorithm
Boundary-fill algorithm
Entire fill algorithm
Slide curve algorithm
CRT stands for,
Cathode Random Tunnel
Cathode Ray Tube
Cathode Random Tube
Cathode Ray Tunnel
GUI stands for,
Graphical Usable Interface
Graphical User Interface
Graph Users Interface
Graphic User Interface