CS602-Midterm
1 / 50
We can draw the circle
2 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
3 / 50
Normalized cross product of two vectors on that surface provides normal vector
4 / 50
If the polygons are _________ line clipping techniques are sufficient for clipping.
5 / 50
Discard a line with both endpoints outside clipping boundaries is called as
6 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
7 / 50
The father of Computer Graphics is:
8 / 50
In video text memory, ________ are used to display a character.
9 / 50
Polygons consisting of ________ can cause problems when rendering.
10 / 50
In 2D transformation, ______ can be achieved by rotating the object about 110 degrees.
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
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
13 / 50
polygons are basically concave polygons that may have self-intersecting edges.
14 / 50
We can draw the circle using ___________.
15 / 50
Finding unit vector is done by simply dividing each component by the width.
16 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
17 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
18 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
19 / 50
Computer Graphics are used in _______.
20 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
21 / 50
Tessellation can be adaptive to the ____________ degree of curvature of a surface.
22 / 50
Vectors can be multiplied in a way
23 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
24 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
25 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
26 / 50
UV light is used in Plasma Panel displays to excite phosphor.
27 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
28 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
29 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
30 / 50
We can take transpose of any matrix.
31 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
32 / 50
Each number that makes up a matrix is called an __________ of the matrix.
33 / 50
Twice the radius of circle is called as ___________.
34 / 50
Which of the following is NOT a modern application for Computer Graphics -------------------
35 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
36 / 50
Various curve functions are useful in ______.
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38 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
39 / 50
A fractal is generally a property called ___________.
40 / 50
Save a line with both endpoints inside all clipping boundaries is called as ____.
41 / 50
Because clipping against one edge is independent to all others, so it is ________ arrange the clipping stages in a pipeline.
42 / 50
43 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
44 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
45 / 50
46 / 50
Perspective projection is specified with the function glFrustum().
47 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
48 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
49 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
50 / 50
_________ direct view storage tube maintains the picture display.
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