Quiznetik

Computer Graphics and Multimedia | Set 3

1. MIDI stands for ________________.

Correct : B. musical instrument digital interface.

2. Digital audio data is the actual representation of a ___________.

Correct : C. sound

3. Digital audio data is also called as______________.

Correct : D. samples

4. In Windows, system sounds are ___________ files.

Correct : B. .wav.

5. MIDI files are _____________ than CD quality digital audio files.

Correct : C. smaller

6. The sampling frequencies often used in multimedia are _____________.

Correct : A. KHz.

7. The value of each sample is rounded off to the nearest integer known as _____________.

Correct : B. quantization

8. The amount of information stored about each sample is the ____________.

Correct : C. sample size.

9. LEDs operate on __________ frequencies.

Correct : C. infrared

10. Digitized sound is the ___________ sound.

Correct : A. sampled.

11. Sample size are _______ bits.

Correct : D. 8

12. A 16-bit sample provides a staggering _________units.

Correct : C. 65,536.

13. Removing of dead air or blank space from a front of the recording is known as ___________.

Correct : A. trimming.

14. MIDI sounds are typically stored in files with the ______ extensions.

Correct : B. .MID.

15. A popular effect in which one image transforms into another is known as __________.

Correct : D. morphing

16. PAL stands for _________.

Correct : D. phase alternate line.

17. HDTV stands for ____________.

Correct : B. high definition television.

18. Light comes from an _____________.

Correct : C. atom

19. VGA stands for _____________.

Correct : B. visual graphics array.

20. The area on a display device to which a window is mapped is called a _______________.

Correct : B. view port

21. A world coordinate area selected for display is called ____________.

Correct : A. window.

22. The region against which an object is to clipped is called a __________.

Correct : D. clip window

23. The location of the point relative to the boundaries of the clipping rectangle is called ____________ code.

Correct : C. region

24. The region code of the clipping rectangle is ________.

Correct : A. 0000.

25. A region code is a __________ digit binary code.

Correct : C. 4

26. All-or none ____________ strategy is used to keep all of the string inside a clip window.

Correct : C. character clipping

27. The picture parts to be saved are those that are outside the region is referred as ____________ clipping.

Correct : B. exterior

28. _________ are used to describe interior properties by partitioning the spatial region containing an object into a set of small, non overlapping contiguous solids.

Correct : B. Space partitioning representation

29. ____________ generally refers to any time sequence of visual changes in a scene

Correct : A. Computer animation.

30. Analogy with two-dimensional polar co-ordinates the dimensions unit for solid angles is called the ________.

Correct : A. steradian.

31. A _______ model is a method for explaining the properties or behavior of color within some particular control.

Correct : C. color

32. The dominant frequency is also called as the ______.

Correct : A. hue.

33. The team ______ is used to refer collectively two properties describing color characteristics purity and dominant frequency.

Correct : B. chromaticity

34. _________as the most commonly used boundary presentation for a 3-D graphics object

Correct : B. Surface polygon

35. A three dimensional object can also be represented using_______

Correct : B. Equation

36. ___________is a simple object space algorithm that removes about half of the total polygon in an image as about half of the faces of objects are back faces

Correct : D. Back face removal

37. By which ,we can take a view of an object from different directions and different distances

Correct : A. Projection

38. The projection that can be viewed as the projection that has a centre of projection at a finite distance from the plane of projection are called

Correct : B. Perspective projection

39. The surfaces that is blocked or hidden from view in a 3D scene are known as _________

Correct : A. Hidden surface

40. _____________ surface algorithm is based on perspective depth.

Correct : B. Z-buffer or depth-buffer algorithm

41. In ___________ year Z- buffer algorithm are described.

Correct : B. 1974

42. Z -buffer algorithm are _____________.

Correct : A. Simplest algorithm

43. The painter algorithm are based on the property of ______________.

Correct : B. Frame buffer

44. __________________ type of projection does not have the projection rays parallel to each other.

Correct : D. perspective projection

45. ________________are the three principal planes in orthographic projection.

Correct : D. frontal, horizontal, profile

46. The painter algorithm were developed on __________

Correct : A. 1972 by Newell

47. All the hidden surface algorithms employee image space approach except____________.

Correct : A. Back face removal

48. ___________________are the two types of projections give a pictorial view of the object without convergence.

Correct : B. oblique and axonometric

49. The name of a visible surface detection algorithm is ________________.

Correct : A. Back face detection