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
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
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
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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