CS602-Midterm
1 / 50
In video text memory, ______ are used to display a character.
2 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
3 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
4 / 50
Vectors can be multiplied in a way
5 / 50
Twice the radius of circle is called as ___________.
6 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
7 / 50
Tessellation can be adaptive to the ____________ degree of curvature of a surface.
8 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
9 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
10 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
11 / 50
12 / 50
“Computer Graphics” and “Computer Vision” are ____________.
13 / 50
Monochrome Adapter (MA) is a single color adapter
14 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
15 / 50
Perspective projection is specified with the function glFrustum().
16 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
17 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
18 / 50
We can draw the circle
19 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
20 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
21 / 50
The circle and ellipse are symmetric across 1 octants.
22 / 50
The father of Computer Graphics is:
23 / 50
Save a line with both endpoints inside all clipping boundaries.
24 / 50
We can draw the circle using _________
25 / 50
In __________ algorithm(s), old color must be read before it is invoked.
26 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
27 / 50
There are _________ basic types of polygon.
28 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
29 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
30 / 50
31 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
32 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
33 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
34 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
35 / 50
36 / 50
Polygons are basically concave polygons that may have self-intersecting edges
37 / 50
38 / 50
Boundary Filling Algorithm can work for complex polygons.
39 / 50
A scaling transformation alters the ______ of an object.
40 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
41 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
42 / 50
In 2D transformation, ______ can be achieved by rotating the object about 110 degrees.
43 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
44 / 50
Because clipping against one edge is independent to all others, so it is ________ arrange the clipping stages in a pipeline.
45 / 50
Which one of the following is not the graphics library is use:
46 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
47 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
48 / 50
49 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
50 / 50
____is the tendency of the text to flash as it moves up or down.
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