CS602-Midterm
1 / 50
Discard a line with both endpoints outside clipping boundaries is called as
2 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
3 / 50
Finding unit vector is done by simply dividing each component by the width.
4 / 50
A scaling transformation alters the ______ of an object.
5 / 50
Vectors can be multiplied in a way
6 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
7 / 50
Monochrome Adapter (MA) is a single color adapter
8 / 50
We can draw the circle using ___________.
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
DDA abbreviated for ________.
11 / 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.
12 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
13 / 50
Tessellation can be adaptive to the ____________ degree of curvature of a surface.
14 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
15 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
16 / 50
Three or more points that lie on the same line are called _____.
17 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
18 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
19 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
20 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
21 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
22 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
23 / 50
Each hyperbola consists of two ___________.
24 / 50
polygons are basically concave polygons that may have self-intersecting edges.
25 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
26 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
27 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
28 / 50
Rotating a point requires
29 / 50
Boundary Filling Algorithm can work for complex polygons.
30 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
31 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
32 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
33 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
34 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
35 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
36 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
37 / 50
Twice the radius of circle is called as ___________.
38 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
39 / 50
Various curve functions are useful in ______.
40 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
41 / 50
In video text memory, ______ are used to display a character.
42 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
43 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
44 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
45 / 50
46 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
47 / 50
To show 256 colors , the no of bits required for each pixel are
48 / 50
DDA abbreviated for _________.
49 / 50
The curve is always contained within the _______ of the control points
50 / 50
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The average score is 54%
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