CS602 Midterm Online Quiz

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CS602-Midterm

1 / 50

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

2 / 50

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

3 / 50

Vectors can be multiplied in a way

4 / 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.

5 / 50

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

6 / 50

The circle and ellipse are symmetric across 1 octants.

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

Polygons consisting of ________ can cause problems when rendering.

12 / 50

In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.

13 / 50

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

14 / 50

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

15 / 50

Twice the radius of circle is called as ___________.

16 / 50

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

17 / 50

( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.

18 / 50

Rotation performed around a fixed point called ____________.

19 / 50

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

20 / 50

Cross product of two vectors result in a ___________.

21 / 50

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

22 / 50

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

23 / 50

A scaling transformation alters the ______ of an object.

24 / 50

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

25 / 50

Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________

26 / 50

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

27 / 50

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

28 / 50

In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.

29 / 50

Discard a line with both endpoints outside clipping boundaries is called as

30 / 50

In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.

31 / 50

We can take transpose of __________.

32 / 50

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

33 / 50

Bernstein polynomial functions are the basic functions of _____ curves.

34 / 50

________is used to move a point, or a set of points, linearly in space

35 / 50

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

36 / 50

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

37 / 50

Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.

38 / 50

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

39 / 50

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

40 / 50

We can draw the circle using _________

41 / 50

We can draw the circle

42 / 50

Normalized cross product of two vectors on that surface provides normal vector

43 / 50

Boundary Filling Algorithm can work for complex polygons.

44 / 50

A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane

45 / 50

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

46 / 50

Computer Graphics are used in ____________.

47 / 50

Two matrices are said to be equal, if they have

48 / 50

The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.

49 / 50

In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.

50 / 50

Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.

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