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Title Name Amity Solved Assignment BSC IT for Introduction to Computer Graphics
University AMITY
Service Type Assignment
Course B.Sc-(IT)
Semester Semester-VI Course: B.Sc-(IT)
Session
Short Name or Subject Code Introduction to Computer Graphics
Commerce line item Type Semester-VI Course: B.Sc-(IT)
Product Assignment of B.Sc-(IT) Semester-VI (AMITY)
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Questions:-


                                                                                                                    INTRODUCTION  TO  COMPUTER  GRAPHICS

ASSIGNMENT A

1 .Compute the intermediate points on the line drawn from (0, 0) to (5, 10) using Bresenham’s Algorithm?

  1. Define window to viewport transformation?
  2. Discuss Depth-Buffer Method or Scan-Line Method?
  3. What are the two main approaches used for hidden surface removal? Explain briefly the methods Used in each approach?
  4. Discuss Bresenham’s Circle Drawing algorithm. 
  5. Consider two raster systems with the resolutions of 640 x 480 and 1280 x 1024. How many pixels could be accessed per second in each of these systems by a display controller that refreshes the screen at a rate of 60 frames per second?
  6. Write the difference between vector and raster graphics?
  7. List out the merits and demerits of DVST?

 

 

 

 

ASSIGNMENT B

Case Detail:  

A cathode ray tube consists of several basic components. The electron gun generates an arrow beam of electrons. The anodes accelerate the electrons. Deflecting coils produce an extremely low frequency electromagnetic field that allows for constant adjustment of the direction of the electron beam. There are two sets of deflecting coils: horizontal and vertical. The intensity of the beam can be varied. The electron beam produces a tiny, bright visible spot when it strikes the phosphor-coated screen.

Question

1.Explain the working of Cathode ray Tube.

2.What is frame buffer?

3.  What is rasterization?

 

 

 

 

 

ASSIGNMENT C

Question No.  1          Marks - 10

________________________________________

The light pen is an    

Options          

  1. Graphics input device
  2. Graphics output device
  3. Both A and B
  4. None of these

 

 

Question No.  2          Marks - 10

________________________________________

The region against which an object is to be clipped is called:      

Options          

  1. Clipping
  2. Clip Window
  3. View Port
  4. All of these

 

 

Question No.  3          Marks - 10

________________________________________

In Cohen-Sutherland line clipping, every line end-point in a picture is assigned a four digit binary code, called:            

Options          

  1. Front point
  2. End point
  3. Region code
  4. All of these

 

 

Question No.  4          Marks - 10

________________________________________

DAC is:         

Options                      

  1. Direct Access Code
  2. Digital Align Code
  3. Direct Area Clipping
  4. Digital to Analog converter

 

 

Question No.  5          Marks - 10

________________________________________

Back face removal is an example of :         

Options                      

  1. Object space method
  2. Image space method
  3. Both (a) and (b)
  4. Raster scan

 

 

Question No.  6          Marks - 10

________________________________________

In Raster scan displays picture definition is stored in a memory area called:    

Options                      

  1. Refresh buffer
  2. Picture element
  3. Pixels
  4. None of these

 

 

Question No.  7          Marks - 10

________________________________________

Polygon-Clipping algorithms include the:  

Options          

  1. Sutherland-Hodgeman method
  2. Liang-Barsky method
  3. Weiler-Atherton method
  4. None of these

 

 

Question No.  8          Marks - 10

________________________________________

Oblique projection is:           

Options                      

  1. An orthographic projection
  2. A perspective projection
  3. a parallel projection
  4. an axonometric projection

 

 

Question No.  9          Marks - 10

________________________________________

Two-dimensional viewing transformation is referred as: 

Options                      

  1. Window to view port transformation
  2. Windowing transformation
  3. Both (a) and (b)
  4. None of these

 

 

Question No.  10        Marks - 10

________________________________________

Typical Raster functions often provided in graphic packages are:         

Options                      

  1. Copy
  2. Read
  3. Write
  4. All of these

 

 

Question No.  11        Marks - 10

________________________________________

The convolution operation in anti-aliasing is known as:   

Options          

  1. Half-toning
  2. Filtering
  3. Shielding
  4. None of the above

 

 

Question No.  12        Marks - 10

________________________________________

In Wailer-Atherton algorithm for polygon clipping the subject polygon is:       

Options                      

  1. Clipping window
  2. Polygon to be clipped
  3. both a & b
  4. None of these

 

 

Question No.  13        Marks - 10

________________________________________

In which LCD displays transistors are used to control the voltage at pixel locations and to prevent charges from leaking out of the liquid crystal cells;            

Options                      

  1. Passive matrix LCD
  2. Active Matrix LCD
  3. Both (a) and (b)
  4. None of these

 

 

Question No.  14        Marks - 10

________________________________________

The process of extracting a portion of a database or a picture:  

Options                      

  1. Clipping
  2. Database querying
  3. Dithering
  4. None of these

 

 

Question No.  15        Marks - 10

________________________________________

Line clipping can also be carried out for:  

Options                      

  1. Concave
  2. Polygon clipping windows
  3. Clipping window
  4. All of the these

 

 

Question No.  16        Marks - 10

________________________________________

Conceptually drawing a line from any position P to a distant point outside the coordinate extents of the object and counting the number of edge crossing along the lines:           

Options                      

  1. Odd-even rule
  2. Odd priority rule
  3. Even-of rule
  4. All of these

 

 

Question No.  17        Marks - 10

________________________________________

Shadow Mask method are used in:

Options          

  1. Raster Scan monitors
  2. Random scan monitors
  3. Both (a) and (b)
  4. None of these

 

 

Question No.  18        Marks - 10

________________________________________

Gray scale is used in?           

Options                      

  1. Monitor that have color capability
  2. Monitor that have no color capability
  3. Random scan display
  4. None of these

 

 

Question No.  19        Marks - 10

________________________________________

Raster scan systems display a picture from a definition in a        

Options                      

  1. Display file program
  2. Frame buffer
  3. Display controller
  4. None of the above

 

 

Question No.  20        Marks - 10

________________________________________

A random scan (Vector) system stores point plotting instruction in the:

Options                      

  1. View list
  2. Display list
  3. Both (a) and (b)
  4. None of these

 

 

Question No.  21        Marks - 10

________________________________________

The ......... simply reads each successive byte of data from the frame buffer     

Options                      

  1. Digital Controller
  2. Data Controller
  3. Display Controller
  4. All of these

 

 

Question No.  22        Marks - 10

________________________________________

The subcategories of orthographic projection are            

Options                      

  1. Cavalier, cabinet, isometric
  2. Cavalier, cabinet
  3. Isometric, dimetric, trimetric
  4. Isometric, cavalier, trimetric

 

 

Question No.  23        Marks - 10

________________________________________

The perspective anomaly in which the object behind the centre of projection is projected      

Options                      

  1. Perspective foreshortening
  2. Vanishing view
  3. View confusion
  4. Topological distortion

 

 

Question No.  24        Marks - 10

________________________________________

The refresh rate below which a picture flickers is            

Options                      

  1. 25
  2. 30
  3. 35
  4. 60

 

 

Question No.  25        Marks - 10

________________________________________

Foreshortening factors are associated with:          

Options                      

  1. Orthographic projection
  2. Cabinet projection
  3. Cavalier projection
  4. Axonometric projection

 

 

Question No.  26        Marks - 10

________________________________________

The set of points such that the sum of the distances from fixed positions the same for  all points, is called:            

Options                      

  1. Mid-point circle
  2. Ellipse
  3. Line function
  4. All of the these

 

 

Question No.  27        Marks - 10

________________________________________

An image scanner can be used for:

Options                      

  1. Text material
  2. Engineering drawing
  3. Pictures
  4. All of the these

 

 

Question No.  28        Marks - 10

________________________________________

Computer Graphics models are now commonly used for making?        

Options                      

  1. Motion pictures
  2. Music Videos
  3. Television shows
  4. All of the these

 

 

Question No.  29        Marks - 10

________________________________________

The maximum number of points that can be displayed without overlap on a CRT is refereed to as  

Options                      

  1. Resolution
  2. Persistence
  3. Attenuation
  4. None of the these

 

 

Question No.  30        Marks - 10

________________________________________

Beam penetration method for displaying color pictures has been used with:    

Options          

  1. Random scan monitors
  2. Raster scan monitors
  3. Both (a) and (b)
  4. None of the these

 

 

Question No.  31        Marks - 10

________________________________________

........ used to regulate the flow of elections in CRT ?        

Options          

  1. Electronic Gun
  2. Focusing electrode
  3. Control electrode
  4. All of these

 

 

Question No.  32        Marks - 10

________________________________________

The transformation that distorts the shape of the object such that the shape appears as if the object were composed  of internal layer is:        

Options          

  1. Scaling
  2. Shearing
  3. Rotation
  4. Reflection

 

 

Question No.  33        Marks - 10

________________________________________

The meaning of the PNG is:            

Options                      

  1. Portable Network Graphics
  2. Printable Network Graphics
  3. Passive Node Graphics
  4. Pannable Network Graphics

 

 

Question No.  34        Marks - 10

________________________________________

Which of the following is/are considering as graphical input device?     

Options                      

  1. Scanner
  2. OCR
  3. MICR
  4. All of the these

 

 

Question No.  35        Marks - 10

________________________________________

The perspective anomaly in which the object behind the centre of projection is projected      

Options          

  1. Perspective foreshortening
  2. Vanishing view
  3. View confusion
  4. Topological distortion

 

 

Question No.  36        Marks - 10

________________________________________

Back face removal is an example of :         

Options                      

  1. Object space method
  2. Image space method
  3. Heuristic method
  4. Both (a) and (b)

 

 

Question No.  37        Marks - 10

________________________________________

The glow given off by the, phosphor during exposure of the electron beam is known as ?      

Options                      

  1. Fluorescence
  2. Phosphorescence
  3. Persistence
  4. Resistance

 

 

Question No.  38        Marks - 10

________________________________________

The basic elements a picture in volume graphics is:          

Options                      

  1. pixel
  2. volsel
  3. voxel
  4. None of the these

 

 

Question No.  39        Marks - 10

________________________________________

The point at which a set of projected parallel lines appear to converge in called as a :-           

Options                      

  1. Convergence point
  2. Vanishing point
  3. Point of illusion
  4. Point of delusion

 

 

Question No.  40        Marks - 10

________________________________________

If the eccentricity is less than one then the conic is            

Options                      

  1. Parabola
  2. Hyperbola
  3. Ellipse
  4. circle


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