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
Correct Answer :
A. It controls the electron beam
The control electrode turns the electron beam on and off.
Related Questions
A line segment of a polygon may also be referred as,
Line
Vertices
Edges
All of the mentioned 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 transformation of the entity in relation to an axis is called the reflection image.
Reflection
Translation
Only A
Only B
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
A line can be seen by,
Two points
One point
Four points
Three points
The term DDA in the DDA algorithm stands for:
Digital difference analyzer
Direct differential analyzer
Digital differential analyzer
Data differential analyzer
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
RGB models are used for,
Graphical display
Graphical error
Graphical system
None of the above mentioned
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
Which part of CRT monitor is responsible for clear picture on the screen?
Phosphorus Screen
Deflection Yoke
Focusing System
Colored Lights of the screen
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 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 ports resembles the coordinates from the real-world system?
Window port
View Port
Universal Port
None of the 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 controller is used in the frame buffer?
Display controller
Data controller
Digital controller
None of the above mentioned
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
The fundamental geometric transformations are as follows:
Scaling
Translation
Rotation
All of the Above
Which among the following is a part of the Cathode Ray Tube?
Control Electrode
Electron Gun
Focusing System
All of the Above
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
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
___ 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
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
In a graphics system, the most prominent output device is,
VDU (Visual Display Unit)
Printer
Joystick
None of the above mentioned
Which among the following are the types of scanning or travelling of beam in a raster scan display technique?
Interlaced Scanning
Non- Interlaced Scanning
Spiral Scanning
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
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
GUI stands for,
Graphical Usable Interface
Graphical User Interface
Graph Users Interface
Graphic User Interface
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
A graphic systems core hardware components are,
Display Processor and CPU
Output device and Input
Display devices, recorder
None of above mentioned