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
Correct Answer :
D. All of the above
All the given options are correct in accordance to the random scan display technique in a Cathode Ray tube.
Related Questions
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
With reference to Random Scan Display the beam of electron moves to the left top corner of the screen to move to another frame. This motion is referred to as ___
Vertical retrace
Horizontal retrace
Scan line
All 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
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 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 transformation set is also known as,
Translation difference
Rotation colour model
Colour Mapping Functions
None of these
Which part of the CRT contains cathode?
Focusing system
Electron Gun
Screen
Control Electrode
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
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 inside of the Cathode Ray Tube is coated with what material?
Fluorescent powder
No coating
Phosphorus
None of the above
Raster scan systems generally use ___ to display an image.
Frame buffer
Display controller
Display file program
None of the These
___ is a rigid body transformation that enables an entity to shift without deforming.
Rotation
Translation
Only B
None 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
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
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 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
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 are true with respect to the Bresenham's algorithm?
It produces smooth polygons
The results of this algorithm are 100 percent accurate.
Due to integer operations, it's complexity gets reduced
All 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
Which controller is used in the frame buffer?
Display controller
Data controller
Digital controller
None of the above mentioned
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.
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
In a graphics system, the most prominent output device is,
VDU (Visual Display Unit)
Printer
Joystick
None of the above mentioned
RGB models are used for,
Graphical display
Graphical error
Graphical system
None of the above mentioned
Which of the following options is correct in accordance with the cathode ray tube?
CRTs are brighter than LCDs.
CRTs can operate at any resolution and at any aspect ratio.
CRTs are the most expensive display device till current date.
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
Which of the following ports resembles the coordinates from the real-world system?
Window port
View Port
Universal Port
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
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
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