CS602-Midterm
1 / 50
It is safe to assume that all raster-type monitors can accept the same input
2 / 50
DDA abbreviated for _________.
3 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
4 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
5 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
6 / 50
Cross product of two vectors result in a ___________.
7 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
8 / 50
We can draw the circle using _________
9 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
10 / 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.
11 / 50
Each hyperbola consists of two ___________.
12 / 50
Each hyperbola consists of two __________ .
13 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
14 / 50
Perspective projection is specified with the function glFrustum().
15 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
16 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
17 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
18 / 50
We can draw the circle using ___________.
19 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
20 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
21 / 50
________ is the set of points that are equidistant from its origin.
22 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
23 / 50
Which of the following is NOT a modern application for Computer Graphics -------------------
24 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
25 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
26 / 50
Finding unit vector is done by simply dividing each component by the width.
27 / 50
Process of moving points in space is called
28 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
29 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
30 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
31 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
32 / 50
33 / 50
There are _________ basic types of polygon.
34 / 50
Bezier curve is tangent to the lines connecting ____.
35 / 50
36 / 50
Global coordinate systems can be defined with respect to local coordinate system
37 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
38 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
39 / 50
Each number that makes up a matrix is called an __________ of the matrix.
40 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
41 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
42 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
43 / 50
DDA abbreviated for ________.
44 / 50
We can take transpose of any matrix.
45 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
46 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
47 / 50
Discard a line with both endpoints outside clipping boundaries is called as
48 / 50
49 / 50
In video text memory, ________ are used to display a character.
50 / 50
Rotation performed around a fixed point called ____________.
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