Which among the following is best suited for a smooth line drawing on the screen?
Random Scan Display Algorithm
Raster Scan Display Algorithm
Both a. and b.
None of the above
Correct Answer :
A. Random Scan Display Algorithm
The Random scan display algorithm is best suited for line drawing because it uses an electron beam which operates like a pencil to create a line on the screen.
Related Questions
Can a dotted line be seen by generation using,
Short dash spacing
Long dash spacing
Inter dash spacing
Dots
The transformation set is also known as,
Translation difference
Rotation colour model
Colour Mapping Functions
None of these
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
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 controller is used in the frame buffer?
Display controller
Data controller
Digital controller
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 among the following objects can be scan converted?
Point, Line, Sector, Arc
Characters
Ellipse, Rectangle, Polygons
All of the above
Which of the following options is not correct according to the definition of Computer Graphics?
Computer Graphics is used for animation purposes.
Computer graphics can be used to provide better user interface.
Computer graphics can improve the sound quality of a video
None of the above
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 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
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
A transformation method which may cause the change in a shape of an object is referred as,
Rotation
Scaling
Reflection
Shear
A line segment of a polygon may also be referred as,
Line
Vertices
Edges
All of the mentioned above
CRT stands for,
Cathode Random Tunnel
Cathode Ray Tube
Cathode Random Tube
Cathode Ray Tunnel
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
GUI stands for,
Graphical Usable Interface
Graphical User Interface
Graph Users Interface
Graphic User Interface
The colour transformation is performed in the centre of the process___
Dual color model
Single color model
Rotation color model
None of these
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 graphic systems core hardware components are,
Display Processor and CPU
Output device and Input
Display devices, recorder
None of above 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
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
In which of the following transformation methods of Computer Graphics is the Shape of the Object not deformed?
Translation
Shearing
Both a. and b.
None of the above
Which part of the CRT contains cathode?
Focusing system
Electron Gun
Screen
Control Electrode
A display controller converts 0s and 1s to the ...
Display Devices
Video signal
Text wrapping
None of the above mentioned
___ is a rigid body transformation that enables an entity to shift without deforming.
Rotation
Translation
Only B
None of the 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
RGB models are used for,
Graphical display
Graphical error
Graphical system
None of the above mentioned
The inside of the Cathode Ray Tube is coated with what material?
Fluorescent powder
No coating
Phosphorus
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
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