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
Correct Answer :
D. All of the above
All the given statements are true according to the window port in computer graphics.
Related Questions
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 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
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 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 ___ 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
CRT stands for,
Cathode Random Tunnel
Cathode Ray Tube
Cathode Random Tube
Cathode Ray Tunnel
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
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
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 part of CRT monitor is responsible for clear picture on the screen?
Phosphorus Screen
Deflection Yoke
Focusing System
Colored Lights of the screen
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
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 fundamental geometric transformations are as follows:
Scaling
Translation
Rotation
All of the Above
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 defines the mapping of points from some domain to bits?
Pix-map
Graph
Bitmap
All of the mentioned
What is a necessary to specify to generate rotation?
Specific distances between dx and dy
Rotation angle ?
Scaling
Repositioning
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 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
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
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
Which of the following transformation techniques is responsible for altering (either enlarging it or diminishing it) the size of the object?
Translation
Rotation
Scaling
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
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
The inside of the Cathode Ray Tube is coated with what material?
Fluorescent powder
No coating
Phosphorus
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
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
Can a dotted line be seen by generation using,
Short dash spacing
Long dash spacing
Inter dash spacing
Dots
A display controller converts 0s and 1s to the ...
Display Devices
Video signal
Text wrapping
None of the above mentioned