CS602 Midterm Online Quiz

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CS602-Midterm

1 / 50

Which one of the following is not the graphics library is use:

2 / 50

Polygons consisting of ________ can cause problems when rendering.

3 / 50

The process of subdivision an entity or surface into one or more non-overlapping primitives.

4 / 50

A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors

5 / 50

________ is the set of points that are equidistant from its origin.

6 / 50

Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.

7 / 50

Shadow mask methods can display a __________ range of colors.

8 / 50

Orthographic projections that show more than one side of an object are called __________ projections.

9 / 50

Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?

10 / 50

In video text memory, ______ are used to display a character.

11 / 50

In video text memory, ______ are used to display a character.

12 / 50

In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.

13 / 50

To show 256 colors , the no of bits required for each pixel are

14 / 50

Various curve functions are useful in ______.

15 / 50

To move a _________ from one location to another, we translate the center point and redraw the same using new center point.

16 / 50

Twice the radius of circle is called as ___________.

17 / 50

Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.

18 / 50

Cross product of two vectors result in a ___________.

19 / 50

UV light is used in Plasma Panel displays to excite phosphor.

20 / 50

polygons are basically concave polygons that may have self-intersecting edges.

21 / 50

A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.

22 / 50

_________ OpenGL function is used for aiming and positioning the camera towards the object

23 / 50

In Trimetric the direction of projection makes unequal angle with the three principal axes

24 / 50

It is safe to assume that all raster-type monitors can accept the same input

25 / 50

Which one of the following step is not involved to write pixel using video BIOS services.

26 / 50

“Computer Graphics” and “Computer Vision” are ____________.

27 / 50

In __________ algorithm(s), old color must be read before it is invoked.

28 / 50

Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon

29 / 50

The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)

30 / 50

Computer graphics is very helpful in producing graphical representations for scientific visualization.

31 / 50

If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.

32 / 50

_________ direct view storage tube maintains the picture display.

33 / 50

DDA abbreviated for ________.

34 / 50

Plasma-panel displays use a gas mixture that usually includes ____.

35 / 50

Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon

36 / 50

Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon

37 / 50

Which of the following is not true about matrices?

38 / 50

Discard a line with both endpoints outside clipping boundary is called as ____________

39 / 50

actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.

40 / 50

Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.

41 / 50

Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.

42 / 50

Silhouette edges occur when dot product of surface normal vector and the view vector is __________.

43 / 50

There are _______ basic types of polygon.

44 / 50

The dot product of two vectors A and B is __________. Iff the angle between them is less than 20 or greater than 270 degrees.

45 / 50

Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines

46 / 50

Concave polygons are a superset of ____________ polygons, having fewer restrictions than  ___________ polygons.

47 / 50

Various curve functions are useful in ______.

48 / 50

Boundary Filling Algorithm can work for complex polygons.

49 / 50

Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.

50 / 50

Translation moves objects without ____________.

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