CS602 Midterm Online Quiz

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CS602-Midterm

1 / 50

Two points are said to be collinear, if they lie on the

2 / 50

Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:

3 / 50

If the polygons are _______, line-clipping techniques are sufficient for clipping.

4 / 50

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

5 / 50

__________ is the process of describing an object or scene so that we can construct an image of it

6 / 50

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

7 / 50

Both Boundary Filling and Flood filling algorithms are non-recursive techniques.

8 / 50

In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.

9 / 50

__________ is the process of describing an object or scene so that we can construct an image of it

10 / 50

The axonometric projection is ___________ where the direction of projection makes same angle with all axes.

11 / 50

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

12 / 50

Translation moves objects without ____________.

13 / 50

By preserving the original shape of an object with a scaling is called _______ scaling.

14 / 50

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

15 / 50

DDA abbreviated for _________.

16 / 50

Boundary Filling Algorithm can work for complex polygons.

17 / 50

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

18 / 50

We can draw the circle using ___________.

19 / 50

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

20 / 50

Each number that makes up a matrix is called an __________ of the matrix.

21 / 50

We can take transpose of any matrix.

22 / 50

A unit vector has zero magnitude.

23 / 50

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

24 / 50

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.

25 / 50

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

26 / 50

Various curve functions are useful in ______.

27 / 50

Boundary Filling Algorithm can work for complex polygons.

28 / 50

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

29 / 50

We can take transpose of any matrix.

30 / 50

Bezier curve is tangent to the lines connecting ____.

31 / 50

When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.

32 / 50

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

33 / 50

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

34 / 50

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

35 / 50

A scaling transformation alters the ______ of an object.

36 / 50

We can take transpose of __________.

37 / 50

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

38 / 50

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

39 / 50

Which of the following is not true about matrices?

40 / 50

Shadow mask methods can display a __________ range of colours.

41 / 50

__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.

42 / 50

A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.

43 / 50

A fractal is generally a property called ___________.

44 / 50

Monochrome Adapter (MA) is a single color adapter

45 / 50

Shadow mask methods can display a __________ range of colors.

46 / 50

The curve is always contained within the _______ of the control points

47 / 50

Rotating a point requires

48 / 50

Save a line with both endpoints inside all clipping boundaries is called as ____.

49 / 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.

50 / 50

Which one is not valid out code to perform trivial accept / reject test in line clipping:

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