Which part of the CRT contains cathode?
Focusing system
Electron Gun
Screen
Control Electrode
Correct Answer :
B. Electron Gun
The electron gun contains a cathode which throughs the electron beam.
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
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 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
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
GUI stands for,
Graphical Usable Interface
Graphical User Interface
Graph Users Interface
Graphic User Interface
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
Which of the following does not represent a line pattern?
Dark line
Dotted line
Dashed line
None of the mentioned above
A line segment of a polygon may also be referred as,
Line
Vertices
Edges
All of the mentioned 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
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
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
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
___ is a rigid body transformation that enables an entity to shift without deforming.
Rotation
Translation
Only B
None of the above
Can a dotted line be seen by generation using,
Short dash spacing
Long dash spacing
Inter dash spacing
Dots
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.
A display controller converts 0s and 1s to the ...
Display Devices
Video signal
Text wrapping
None of the above mentioned
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 line-generating algorithms is the most effective and efficient?
Midpoint algorithm
Bresenham's Line algorithm
DDA algorithm
None of the mentioned above
Which part of the CRT contains cathode?
Focusing system
Electron Gun
Screen
Control Electrode
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
The colour transformation is performed in the centre of the process___
Dual color model
Single color model
Rotation color model
None of these
A graphic systems core hardware components are,
Display Processor and CPU
Output device and Input
Display devices, recorder
None of 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
DVST stands for
Direct View Storage Tube
Digital View Storing Time
Direct Visual Storing Tube
Digital View Storage Tube
In a graphical user interface, the most common input device is,
Mouse
Keyboard
Monitor
Joy stick
The inside of the Cathode Ray Tube is coated with what material?
Fluorescent powder
No coating
Phosphorus
None of the above
A line can be seen by,
Two points
One point
Four points
Three points
A transformation method which may cause the change in a shape of an object is referred as,
Rotation
Scaling
Reflection
Shear
RGB models are used for,
Graphical display
Graphical error
Graphical system
None of the 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