CS602-Midterm
1 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
2 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
3 / 50
Twice the radius of circle is called as ___________.
4 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
5 / 50
Shadow mask methods can display a __________ range of colors.
6 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
7 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
8 / 50
The curve is always contained within the _______ of the control points
9 / 50
There are _________ basic types of polygon.
10 / 50
A scaling transformation alters the ______ of an object.
11 / 50
Which of the following is not true about matrices?
12 / 50
In __________ algorithm(s), old color must be read before it is invoked.
13 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
14 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
15 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
16 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
17 / 50
Set up your tripod and pointing the camera at the scene
18 / 50
The circle and ellipse are symmetric across 1 octants.
19 / 50
Three or more points that lie on the same line are called _____.
20 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
21 / 50
Normalized cross product of two vectors on that surface provides normal vector
22 / 50
Computer Graphics are used in _______.
23 / 50
If the polygons are _________ line clipping techniques are sufficient for clipping.
24 / 50
Tessellation can be adaptive to the ____________ degree of curvature of a surface.
25 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
26 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
27 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
28 / 50
29 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
30 / 50
Rotation performed around a fixed point called ____________.
31 / 50
We can draw the circle using ___________.
32 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
33 / 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.
34 / 50
Vectors can be multiplied in a way
35 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
36 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
37 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
38 / 50
Various curve functions are useful in ______.
39 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
40 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
41 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
42 / 50
It is safe to assume that all raster-type monitors can accept the same input
43 / 50
polygons are basically concave polygons that may have self-intersecting edges.
44 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
45 / 50
46 / 50
Which of the following is NOT a modern application for Computer Graphics -------------------
47 / 50
48 / 50
Parity is a concept used to determine which ________ lie within a polygon.
49 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
50 / 50
Two matrices are said to be equal, if they have
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