CS602-Midterm
1 / 50
Finding unit vector is done by simply dividing each component by the width.
2 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
3 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
4 / 50
We can draw the circle
5 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
6 / 50
Rotation performed around a fixed point called ____________.
7 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
8 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
9 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
10 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
11 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
12 / 50
To show 256 colors , the no of bits required for each pixel are
13 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
14 / 50
We can draw the circle using _________
15 / 50
Save a line with both endpoints inside all clipping boundaries.
16 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
17 / 50
Bezier curve is tangent to the lines connecting ____.
18 / 50
Perspective projection is specified with the function glFrustum().
19 / 50
There are _________ basic types of polygon.
20 / 50
In video text memory, ______ are used to display a character.
21 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
22 / 50
Various curve functions are useful in ______.
23 / 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.
24 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
25 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
26 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
27 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
28 / 50
Twice the radius of circle is called as ___________.
29 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
30 / 50
The father of Computer Graphics is:
31 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
32 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
33 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
34 / 50
35 / 50
________ is the set of points that are equidistant from its origin.
36 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
37 / 50
In video text memory, ________ are used to display a character.
38 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
39 / 50
A unit vector has zero magnitude.
40 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
41 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
42 / 50
There are _______ basic types of polygon.
43 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
44 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
45 / 50
Vectors can be multiplied in a way
46 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
47 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
48 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
49 / 50
It is safe to assume that all raster-type monitors can accept the same input
50 / 50
Each hyperbola consists of two ___________.
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