CS602-Midterm
1 / 50
Global coordinate systems can be defined with respect to local coordinate system
2 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
3 / 50
Vectors can be multiplied in a way
4 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
5 / 50
Which one of the following is not the graphics library is use:
6 / 50
_________ direct view storage tube maintains the picture display.
7 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
8 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
9 / 50
In video text memory, ________ are used to display a character.
10 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
11 / 50
In video text memory, ______ are used to display a character.
12 / 50
“Computer Graphics” and “Computer Vision” are ____________.
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
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
15 / 50
Process of moving points in space is called
16 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
17 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
18 / 50
The father of Computer Graphics is:
19 / 50
Various curve functions are useful in ______.
20 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
21 / 50
Bezier curve can represent the more complex piecewise ___________ curve.
22 / 50
23 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
24 / 50
Which of the following is not true about matrices?
25 / 50
Because clipping against one edge is independent to all others, so it is ________ arrange the clipping stages in a pipeline.
26 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
27 / 50
28 / 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.
29 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
30 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
31 / 50
Boundary Filling Algorithm can work for complex polygons.
32 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
33 / 50
The circle and ellipse are symmetric across 1 octants.
34 / 50
35 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
36 / 50
Each hyperbola consists of two ___________.
37 / 50
38 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
39 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
40 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
41 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
42 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
43 / 50
44 / 50
Rotating a point requires
45 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
46 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
47 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
48 / 50
If the polygons are _________ line clipping techniques are sufficient for clipping.
49 / 50
A scaling transformation alters the ______ of an object.
50 / 50
Computer Graphics are used in _______.
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