CS602-Midterm
1 / 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.
2 / 50
Discard a line with both endpoints outside clipping boundaries is called as
3 / 50
To show 256 colors , the no of bits required for each pixel are
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Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
5 / 50
Bezier curve is tangent to the lines connecting ____.
6 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
7 / 50
UV light is used in Plasma Panel displays to excite phosphor.
8 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
9 / 50
Finding unit vector is done by simply dividing each component by the width.
10 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
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Translation moves objects without ____________.
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In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
13 / 50
We can take transpose of __________.
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15 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
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Cross product of two vectors result in a ___________.
17 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
18 / 50
Global coordinate systems can be defined with respect to local coordinate system
19 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
20 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
21 / 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.
22 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
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Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
24 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
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In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
26 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
27 / 50
The father of Computer Graphics is:
28 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
29 / 50
Various curve functions are useful in ______.
30 / 50
There are _________ basic types of polygon.
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A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
32 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
33 / 50
Three or more points that lie on the same line are called _____.
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35 / 50
Boundary Filling Algorithm can work for complex polygons.
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__________ is the process of describing an object or scene so that we can construct an image of it
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38 / 50
Save a line with both endpoints inside all clipping boundaries.
39 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
40 / 50
Rotating a point requires
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If the polygons are _______, line-clipping techniques are sufficient for clipping.
42 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
43 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
44 / 50
polygons are basically concave polygons that may have self-intersecting edges.
45 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
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47 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
48 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
49 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
50 / 50
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