CS602-Midterm
1 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
2 / 50
We can draw the circle using _________
3 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
4 / 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.
5 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
6 / 50
In video text memory, ______ are used to display a character.
7 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
8 / 50
Finding unit vector is done by simply dividing each component by the width.
9 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
10 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
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
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
13 / 50
Translation moves objects without ____________.
14 / 50
Various curve functions are useful in ______.
15 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
16 / 50
Rotating a point requires
17 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
18 / 50
In video text memory, ________ are used to display a character.
19 / 50
There are _______ basic types of polygon.
20 / 50
To show 256 colors , the no of bits required for each pixel are
21 / 50
Shadow mask methods can display a __________ range of colours.
22 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
23 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
24 / 50
Normalized cross product of two vectors on that surface provides normal vector
25 / 50
In __________ algorithm(s), old color must be read before it is invoked.
26 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
27 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
28 / 50
Monochrome Adapter (MA) is a single color adapter
29 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
30 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
31 / 50
Shadow mask methods can display a __________ range of colors.
32 / 50
Each number that makes up a matrix is called an __________ of the matrix.
33 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
34 / 50
________is used to move a point, or a set of points, linearly in space
35 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
36 / 50
Cross product of two vectors result in a ___________.
37 / 50
If the polygons are _________ line clipping techniques are sufficient for clipping.
38 / 50
polygons are basically concave polygons that may have self-intersecting edges.
39 / 50
Which of the following is NOT a modern application for Computer Graphics -------------------
40 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
41 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
42 / 50
We can take transpose of any matrix.
43 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
44 / 50
The father of Computer Graphics is:
45 / 50
We can draw the circle
46 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
47 / 50
Vectors can be multiplied in a way
48 / 50
49 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
50 / 50
_________ direct view storage tube maintains the picture display.
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