Short questions
1. Explain midpoint ellipse algorithm
2. Explain an even-odd method used for determining the interior points of the polygon
3. Explain the algorithm for scan converting the polygon
4. What is the difference between run length encoding and cell encoding
5. Explain solid area scan conversion
6. Explain the real time scan conversion
7. Explain the seed fill algorithm
8. What is flood filling and boundary filling
9. Explain the scan line algorithm
10. What is frame buffer memory
11. Briefly explain techniques for maintaining and developing an edge list
12. Explain the purpose of CGM and PHIGS
13. Explain the algorithm for filling a region using the boundary fill method
14. Explain scaling
15. Define the shearing transformation
16. What is meant by clipping
17. Explain Sutherland and Cohen line clipping algorithm
18. Explain Sutherland Hodgeman algorithm
19. Differentiate between the interior and exterior clipping
20. Explain the point source illumination
21. Explain the diffuse illumination
22. Briefly explain the Phongs shading algorithm
23. What is the image processing
24. Explain image resolution
25. What is image composition
26. What is aliasing and anti aliasing
27. Explain the steps of image translation algorithm
28. What is MCI
29. What is IDE
30. What is authorizing tools
ESSAY
1. Explain different types of transformation
2. Explain different types of line clipping
3. Explain CRT
4. Explain different techniques for producing color display with a CRT
5. Explain scan converting the point
6. Explain DDA algorithm
7. Explain Bresenharm Line drawing algorithm
8. Explain different types of color model
9. Explain surface shading methods
10. Explain different types of image processing
11. Explain CRT display and controller
12. Explain vector scan and Raster scan
13. Explain display adapter
14. Explain Bezier Curves
15. Explain the applications of multimedia
16. Explain types of authoring tools
17. Explain Bresenharm circle drawing algorithm
18. Explain Translation
19. Explain Scaling
20. Explain Rotation
21. Explain concept of parallel and perspective projections
22. Explain polygon clipping
23. Explain about viewing coordinates
24. Explain Half toning
25. Explain Geometric Transformation of image
FILL IN THE BLANKS
1. In graphic display, the small dots are called .. Ans:pixels
2. DIB stands for .Ans:Device Independent Bitmap
3. A scaling transformation alters the .. of an object Ans:size
4. A .. is applied to an object by repositioning it along a straight line path from one coordinates to another Ans:tranformation
5. The basic hardware for the graphic display is .. tube Ans:CRT
6. The image is stored inside the frame buffer as a sequence of .. numbers Ans:binary
7. Most micro computers use scans Ans:raster
8. The method of time division of voltage is referred to as ..
Ans: multiplexing
9. DMI stand for ..Ans: Desktop Management Interface
10. RPC stands for Ans: Remote
11. The different mode of display unit is . And Ans:text,graphics
12. WPS stands for Ans:work place shell
13. OCX stands for Ans:OLE custom control
14. MIDI stands for Ans: Musical Instrument Digital Interface
15. WINS stands for .Ans: Window Internet Naming Surface
16. DDI stands for ..Ans: Device Driver Interface
17. UNC stands for ..Ans:Universal Naming Conventions
18. The hierarchical ring structure are generally used in system
Ans:large graphic
19. Mouse was developed at the .Ans: Standard Resarch Institute
20. Window supports only . Default colors in the system palette Ans:20
21. The major problem for passive display is ..Ans:cross talk
22. All pen plotters and direct viewer storage devices use Ans:random
23. Science of modification and analysis of continuous tone pictures is represented as Ans: image processing
24. The basic building of blocks for pictures are referred to as . Primitives
Ans:output
25. CAD stands for Ans: Computer Aided Design
TRUE OR FALSE
1 Most microcomputer system are based on refresh type display(T)
2 In raster scan, the electron follows a fixed path(T)
3 The random scan display must have a vector generate(T)
4 The light pen is appointing device(T)
5 Pointing device is used for the selection of a displayed entity(T)
6 FORTRAN programming language does not support computer graphics(F)
7 The level of crosstalk does not vary from display to display(F)
8 Placing a switch at each pixel location is one way of solving the crosstalk(T)
9 In cathode ray tube displays, a picture is produced by directing the beam to different points on the screen (T)
10 OLE stands for Object linking and Embedding(T)
11 The track ball is quite slower for large movements of the cursor(T)
12 Scaling is performed by multiplying the x and y coordinates of the point by a scaling factor(T)
13 One can convert a DIB into a GDI(T)
14 BIDS stands for Borland International Data structure(T)
15 FDS stands Fundamental Data structures(T)
16 ADT stands for Abstract Data Type(T)
17 In graphics,Oct-trees are used for representing regions of space(T)
18 For a 240-row display, the maximum duty cycle will be 1/240 of the frame period(T)
19 The translation distance pair is called a translation vector or shift vector(T)
20 A graphic accelerator takes control of a graphic task otherwise performed by the cpu(T)
21 A graphic accelerator is not programmable(T)
22 The scanning rate is kept between 20 to 30(F)
23 For most computers, the number of scan lines varies between 50 to 100(F)
24 Scanning in refresh type video displays can be done in random scan only(F)
25 The maximum number of colors supported by a personal computer is 16(T)
26 A graphical input devices can perform addition of a symbol at a desired position(T)
27 Mouse is not a graphical device(F)
28 The light pen can be used for slow display(T)
29 The selection of input device depends on random or sequential mode of writing(T)
30 The types of organization for picture structuring are tree(T)
31 A super VGA card displays 16 colors(F)
32 The display technologies is Cathode Ray Tube(T)
33 A super VGA card displays 256 colors(T)
34 Television-type cathode ray tube devices use raster scan(T)
35 The resolution of a graphic display is based on number of pixels(T)
36 CD-TV stands for compact disc television(T)
37 Video processing can be made faster by using a graphic coprocessors(T)
38 Video processing can be made faster by using a graphic accelerator(T)
39 An area on a display device to which a window is mapped is called a view port(T)
40 High resolution system are often referred to as high definition systems(T)
41 The digital differential analyzer is a scan conversion line algorithm(T)
42 In graphic displays, the fundamental elements are small dots(T)
43 The pixels can be combined to form more complex shapes(T)
44 The resolution of a graphic display is based on number of pixels(T)
45 Windows are area on the screen where graphical information can be displayed(T)
46 View ports size can be larger than its window size(F)
47 Converting the world coordinates into the screen coordinates is called viewing transform(T)
48 OMG stands for Object Management Groups(T)
49 ORB stands for Object Request Broker(T)
50 RPC stands for Remote procedure call(T)
