ORIENTAL GROUP OF INSTITUTES, JABALPURQUIZ QUESTIONSBRANCH: IT VITH SEM SUBJECT: computer graphics (IT-602) Unit 1

1. In which graphics system, objects are treated as collection of lines, rather than as patterns of individual dots.A) Raster Graphics b) Vector Graphics c) Multimedia Graphics d) Computer Graphics

2. What is the advantage of random scan system a) very high resolution b) Easy draw at different position? c) Limited color capabilities d) a and b

3. This number gives ratio of vertical point to horizontal point necessary to produce equal length line in both directions on the screen. A) Resolution b) Persistence c) aspect ratio d) All of the above

4. DVST stands for a) Digital View Stable Table b) Direct View Storage Tube c) Diagram Visible Stable Table d) Digital Visible Stable Tuber)

5. What I/P device is used to scan over a drawing & then set of discrete co ordinate position are generated.

a) Graphics Table b)Optical Mask reader c) Magnetic Strip d)Digitizer6. MSI stands for a. Medium Scale Integrated Circuits b. Medium System Integrated Circuits c. Medium Scale Intelligent Circuit d. Medium System Intelligent Circuit7. The capacity of 3.5 inch floppy disk is a. 1.40 MB b. 1.44 GB c. 1.40 GB d. 1.44 MB8. MICR stands for a. Magnetic Ink Character Reader b. Magnetic Ink Code Reader c. Magnetic Ink Cases Reader d. None9. EBCDIC stands for a. Extended Binary Coded Decimal Interchange Code b. Extended Bit Code Decimal Interchange Code c. Extended Bit Case Decimal Interchange Code d. Extended Binary Case Decimal Interchange Code10. Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above

UNIT II11 IN which algorithm we can find many pitfalls also it works on floating point algorithm

a) DDA b)Bresenhams line c)Line Drawing algorithm d)Mid point line algorithm

12 Method of scan conversion of circle are 1 DDA 2 Mid Pint algorithm 3 ellipse axis rotation 4 Bresenham algorithms 5 Polynomial 6 Trigonometrica) 1 to 4 b) 4 to 6 c) 1 to 6 except 3 d) 1 to 5 except 2

13 This algo is incremental method for scan converting line based on selection of sub sequent pixela) BLA b)DDA c)POLY nominal d)INCREMENTAL

14 Start plotting the point from (0,r) increment x by a small quantity and for each X value obtain the y value using relation y=√ r2-x2

This procedure belong to a) Trigonometric metho b) Polynomial method c)Mid Point Circle d)All of the above

15 Which curve are constructed a sequence of cubic segments rather then linear one’sa) BEZIER CURVE b)B -Spline Curve c)Hamilton Curve d)Square curve

16. Which of the following produces the best quality graphics reproduction?a. Laser printer b. Ink jet printer c. Plotter d. Dot matrix printer17. Which of the following printing devices an output composed of a series of data?a. Wire matrix printer b. Band printer c. Wang image printer d. Both a and c

18. The metal disks, which are permanently housed in, sealed and contamination free containers are calleda. Hard disks b. Floppy disk c. Winchester disk d. Flexible disk19. An application program that helps the user to change any number and immediately see the result of that change isa. Desktop publishing program b. Database c. Spreadsheet d. All of above20. The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known asa. Magnetic core memory b. Magnetic tape memory c. Magnetic disk memory d. Magnetic bubble memory

UNIT III21 Which algo perform binary search for inter section by always dividing the line

a) LIANG BARSKY b)Mid Point c)Cohen Sutherland d)All above

22 In Sutherland Hodgeman polygon clipping if both vertices are inside then a) Nothing is added to o/p list b)Only the 2nd vertex is added c) Only the edge intersecting the window boundary is added d)2nd vertex is added.

23. X 1 P 0 X Y = 0 1 0 Y 1 0 0 1 1Represent an x direction shearing relative to x axis when q=0 is this statement a) True b) False c) Transformation matrix belong to inverse transformation d) none of the above24. Two scaling transformation are A) commutative S1S2=S2S1 B) 2D rotation about originWhich one is true a) A b) B c) Both d) None

25. This is a rectangular region of screen which is selected for displaying the object.a) Window port b)Area clipping c)View port d) Clipping window

26.if the line joining any two interior point of the polygon lies completely inside the polygon. A polygon is said to be

a) Convex b)Concave c)Positive d)Negative

27. Which filling method inspect all surroundings 8 pixels to see where the boundary extend is reached

a) Boundary filling area filling b)Flood filling c)Scan line Filling d)None of the above

28. This projection technique has the direction of projection perpendicular to the viewing plane, and the viewing direction is perpendicular to one of the principle faces. a)Orthographic Parallel Projection b)Axonometric Parallel Projection c)Oblique Parallel Projection

29. This projection technique does NOT have the direction of projection perpendicular to the viewing plane.

a) Orthographic Parallel Projection b)Axonometric Parallel Projection c)Oblique Parallel Projection

30. True or false: In the Phong Reflection model, ambient light is the same everywhere.a) True b) False

Unit VI31. Today computers are sensitive to our voice & touch. To improve interaction between a person & the machine, we use

a) Multimedia technology b)Branching c)Dithering d)Animation

32. To create information path through a large volume of related text or data or to append notes to any information we need

a) SCSI b)IDE c)MCI d)Hypertext Multimedia

33. Floptical disk 1)Use barium ferrite surface coating. 2)3.5 inch disk shell & capacity 120MB 3) Kind of magneto optical disk

a) All true b)All false c)Only 2 is true d)Only 3 is true

34. for development of multimedia applications represent to which tool is useda) Multimedia Tool b)Object Oriented Tool c)Authoring Time based Tool d)All of the

above

35. Sound quality is measured in terms of frequency & the no umber of bits used to representsA) Pixels b) Frames c) Amplitude d) Sampling rate

36. The chain for key technology issues includes: a)Peripheral Board b)Server c) Software accepting the input d)All of the above

37. Header chunk organized as 1)first 4 char string as data size 2)second 4 char string store MIDI data 3) Last 6 bytes contains data for header chunks.Which one is correct? a)1 b)2 c)3 d)None

38. JPEG is acompression standards for still color image otherwise known as A) Gray scale image b) Full scale Image c) Continous Tone Image d) All of the above

39. PAL & DIB are belong to which format a) TIFF b)RTF c)MPEG d)RIFF

40. Which committee utilize & modifies READ algorithm.a)RLE b)CCITT Group3 2D c)Modified RLE d)CCITT Group4 2D

Unit V41. Still video uses ______________ for selecting the video input source & capturing video frames.

a) Branching b) Dithering c) Animation d) Specialized circuitry

42. CCD stands for a) Charge Coupled device b) Coupled Charge diode a)Charge Cell Dimension d) None

43. VFG card consist a)Video ADC b)Video DAC c)Image Frame Buffer d)All of the above

44.Storage & retrieval technology includes a)magnetic media b)cache memory c)optical media d)All

45.The software used to create multimedia experiences can be placed into categories:a) Audio Software b) Graphics Software c) Video Software d)All

46. Animation is the rapid display of a sequence of images of 2-D or 3-D artwork or model positions in order to create an illusion of movement. A) True B) False

47. 23. Choose the input devices that can be used in a Multimedia PC?a) Trackball b) Touch screens c) Flat – bed scanner d) Optical Character Recognition e)All

48. What are the applications of Computer graphics a) Computer Aided Design (CAD) b) Graphical User Interface (GUI) c) Animation d) All of the above

49. Produce picture by passing polarized light from the surrounding or from an internal light source through a liquid crystal materials.A) TFT b)LCD c)MPEG d)JPEG

50. Video display devices includes:a) random scan display b) electron gun-heated metal cathode c)control grid, d)focusing system. e) All