CS602-Midterm
1 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
2 / 50
Global coordinate systems can be defined with respect to local coordinate system
3 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
4 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
5 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
6 / 50
Shadow mask methods can display a __________ range of colors.
7 / 50
Polygons consisting of ________ can cause problems when rendering.
8 / 50
UV light is used in Plasma Panel displays to excite phosphor.
9 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
10 / 50
Which of the following is NOT a modern application for Computer Graphics -------------------
11 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
12 / 50
Each number that makes up a matrix is called an __________ of the matrix.
13 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
14 / 50
A unit vector has zero magnitude.
15 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
16 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
17 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
18 / 50
There are _________ basic types of polygon.
19 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
20 / 50
Which one of the following is not the graphics library is use:
21 / 50
A scaling transformation alters the ______ of an object.
22 / 50
23 / 50
Vectors can be multiplied in a way
24 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
25 / 50
Twice the radius of circle is called as ___________.
26 / 50
Finding unit vector is done by simply dividing each component by the width.
27 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
28 / 50
Rotating a point requires
29 / 50
________ is the set of points that are equidistant from its origin.
30 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
31 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
32 / 50
Boundary Filling Algorithm can work for complex polygons.
33 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
34 / 50
35 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
36 / 50
The father of Computer Graphics is:
37 / 50
38 / 50
A fractal is generally a property called ___________.
39 / 50
In video text memory, ________ are used to display a character.
40 / 50
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43 / 50
Because clipping against one edge is independent to all others, so it is ________ arrange the clipping stages in a pipeline.
44 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
45 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
46 / 50
We can draw the circle using ___________.
47 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
48 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
49 / 50
polygons are basically concave polygons that may have self-intersecting edges.
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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