CS602-Midterm
1 / 50
UV light is used in Plasma Panel displays to excite phosphor.
2 / 50
Cross product of two vectors result in a ___________.
3 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
4 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
5 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
6 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
7 / 50
The curve is always contained within the _______ of the control points
8 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
9 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
10 / 50
We can take transpose of any matrix.
11 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
12 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
13 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
14 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
15 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
16 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
17 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
18 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
19 / 50
Which of the following is not true about matrices?
20 / 50
Global coordinate systems can be defined with respect to local coordinate system
21 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
22 / 50
Shadow mask methods can display a __________ range of colours.
23 / 50
the horizontal refresh ------------------------------
24 / 50
Twice the radius of circle is called as ___________.
25 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
26 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
27 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
28 / 50
A scaling transformation alters the ______ of an object.
29 / 50
To show 256 colors , the no of bits required for each pixel are
30 / 50
31 / 50
Each number that makes up a matrix is called an __________ of the matrix.
32 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
33 / 50
Process of moving points in space is called
34 / 50
Vectors can be multiplied in a way
35 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
36 / 50
In __________ algorithm(s), old color must be read before it is invoked.
37 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
38 / 50
39 / 50
Computer Graphics are used in _______.
40 / 50
________is used to move a point, or a set of points, linearly in space
41 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
42 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
43 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
44 / 50
There are _______ basic types of polygon.
45 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
46 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
47 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
48 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
49 / 50
Discard a line with both endpoints outside clipping boundaries is called as
50 / 50
________ is the set of points that are equidistant from its origin.
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