CS602-Midterm
1 / 50
Two points are said to be collinear, if they lie on the
2 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
3 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
4 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
5 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
6 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
7 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
8 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
9 / 50
10 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
11 / 50
In video text memory, ______ are used to display a character.
12 / 50
Translation moves objects without ____________.
13 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
14 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
15 / 50
DDA abbreviated for _________.
16 / 50
Boundary Filling Algorithm can work for complex polygons.
17 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
18 / 50
We can draw the circle using ___________.
19 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
20 / 50
Each number that makes up a matrix is called an __________ of the matrix.
21 / 50
We can take transpose of any matrix.
22 / 50
A unit vector has zero magnitude.
23 / 50
Polygons are basically concave polygons that may have self-intersecting edges
24 / 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.
25 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
26 / 50
Various curve functions are useful in ______.
27 / 50
28 / 50
Orthographic projections that show more than one side of an object are called __________ projections.
29 / 50
30 / 50
Bezier curve is tangent to the lines connecting ____.
31 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
32 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
33 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
34 / 50
In __________ algorithm(s), old color must be read before it is invoked.
35 / 50
A scaling transformation alters the ______ of an object.
36 / 50
We can take transpose of __________.
37 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
38 / 50
39 / 50
Which of the following is not true about matrices?
40 / 50
Shadow mask methods can display a __________ range of colours.
41 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
42 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
43 / 50
A fractal is generally a property called ___________.
44 / 50
Monochrome Adapter (MA) is a single color adapter
45 / 50
Shadow mask methods can display a __________ range of colors.
46 / 50
The curve is always contained within the _______ of the control points
47 / 50
Rotating a point requires
48 / 50
Save a line with both endpoints inside all clipping boundaries is called as ____.
49 / 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.
50 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
Your score is
The average score is 54%
Restart quiz
