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
Correct Answer :
A. On and off
A beam of electron moves through each row, its intensity is alternatively turned On and Off which helps to create a pattern of spots that are illuminated.
Related Questions
Which of the following ports resembles the coordinates from the real-world system?
Window port
View Port
Universal Port
None of the above
Which among the following is best suited for a realistic shaded image drawing on the screen?
Random Scan Display Algorithm
Raster Scan Display Algorithm
Both a. and b.
None of the above
Amongst which one of the most basic transformation methods which may applied in three-dimensional planes -
Rotation
Translation
Scaling
All of the mentioned above
Which of the following line algorithms best balances the processing load among all the processers?
Parallel line algorithm
DDA line algorithm
Both a. and b. balances the load equally
None of the above
Which of the following methods is the fastest pixel position calculating method?
Bressenham's line algorithm
DDA line algorithm
Mid-point algorithm
None of the above
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
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
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
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
Which of the following does not represent a line pattern?
Dark line
Dotted line
Dashed line
None of the mentioned above
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
Which devices provide the graphics framework with positional data?
Output devices
Storage devices
Input devices
Both B and C
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 term transformation refers to the process of applying a translation to an entity.
It's being repositioned around a circle lane
Repositioning it along with straight line path
Only A
None of these
A line can be seen by,
Two points
One point
Four points
Three points
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
In a graphical user interface, the most common input device is,
Mouse
Keyboard
Monitor
Joy stick
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
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
___ is a method of moving an entity from one coordinate point to another into a straight-line path is known as positioning.
Shearing
Reflection
Translation
Transformation
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
A display controller converts 0s and 1s to the ...
Display Devices
Video signal
Text wrapping
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
A most suitable feature of a Graphics Card is to,
Send graphical data to the output unit
Receive graphical data to the input unit
Send graphical data from output unit
Receive graphical data to the output device
In ___ a beam of an electron is moved across the screen. It moves from top to bottom considering one row at a time.
Raster Scan Display
Random Scan Display
Both A and B
None of the above mentioned
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
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
The RGB image is known as the true color image. What does RGB stand for?
Real grey Black Image
Red greyed Background Image
Red Green Blue image
None of the above
The colour transformation is performed in the centre of the process___
Dual color model
Single color model
Rotation color model
None of these
A two-dimensional point is transformed by inserting.
Translation vector
Shift vector
Translation distances
Both A and B