CS602-Midterm
1 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
2 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
3 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
4 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
5 / 50
Discard a line with both endpoints outside clipping boundaries is called as
6 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
7 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
8 / 50
Bezier curve is tangent to the lines connecting ____.
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
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
11 / 50
Various curve functions are useful in ______.
12 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
13 / 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.
14 / 50
Boundary Filling Algorithm can work for complex polygons.
15 / 50
16 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
17 / 50
There are _________ basic types of polygon.
18 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
19 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
20 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
21 / 50
____is the tendency of the text to flash as it moves up or down.
22 / 50
the horizontal refresh ------------------------------
23 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
24 / 50
Computer Graphics are used in _______.
25 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
26 / 50
We can draw the circle
27 / 50
To show 256 colors , the no of bits required for each pixel are
28 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
29 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
30 / 50
Each number that makes up a matrix is called an __________ of the matrix.
31 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
32 / 50
The curve is always contained within the _______ of the control points
33 / 50
Vectors can be multiplied in a way
34 / 50
We can take transpose of __________.
35 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
36 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
37 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
38 / 50
polygons are basically concave polygons that may have self-intersecting edges.
39 / 50
40 / 50
________ is the set of points that are equidistant from its origin.
41 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
42 / 50
UV light is used in Plasma Panel displays to excite phosphor.
43 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
44 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
45 / 50
A scaling transformation alters the ______ of an object.
46 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
47 / 50
48 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
49 / 50
Each hyperbola consists of two __________ .
50 / 50
In 2D transformation, ______ can be achieved by rotating the object about 110 degrees.
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