CS602-Midterm
1 / 50
Save a line with both endpoints inside all clipping boundaries.
2 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
3 / 50
Twice the radius of circle is called as ___________.
4 / 50
Perspective projection is specified with the function glFrustum().
5 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
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
In video text memory, ______ are used to display a character.
9 / 50
________ is the set of points that are equidistant from its origin.
10 / 50
Parity is a concept used to determine which ________ lie within a polygon.
11 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
12 / 50
Vectors can be multiplied in a way
13 / 50
Shadow mask methods can display a __________ range of colors.
14 / 50
________is used to move a point, or a set of points, linearly in space
15 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
16 / 50
Various curve functions are useful in ______.
17 / 50
Computer Graphics are used in _______.
18 / 50
19 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
20 / 50
the horizontal refresh ------------------------------
21 / 50
UV light is used in Plasma Panel displays to excite phosphor.
22 / 50
Boundary Filling Algorithm can work for complex polygons.
23 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
24 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
25 / 50
26 / 50
If the polygons are _________ line clipping techniques are sufficient for clipping.
27 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
28 / 50
29 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
30 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
31 / 50
Normalized cross product of two vectors on that surface provides normal vector
32 / 50
33 / 50
Rotating a point requires
34 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
35 / 50
Which of the following is not true about matrices?
36 / 50
We can draw the circle
37 / 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.
38 / 50
Bezier curve is tangent to the lines connecting ____.
39 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
40 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
41 / 50
Because clipping against one edge is independent to all others, so it is ________ arrange the clipping stages in a pipeline.
42 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
43 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
44 / 50
A scaling transformation alters the ______ of an object.
45 / 50
46 / 50
Each hyperbola consists of two ___________.
47 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
48 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
49 / 50
Two matrices are said to be equal, if they have
50 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
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