CS602-Midterm
1 / 50
The circle and ellipse are symmetric across 1 octants.
2 / 50
There are _________ basic types of polygon.
3 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
4 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
5 / 50
Rotating a point requires
6 / 50
Cross product of two vectors result in a ___________.
7 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
8 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
9 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
10 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
11 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
12 / 50
Two matrices are said to be equal, if they have
13 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
14 / 50
____is the tendency of the text to flash as it moves up or down.
15 / 50
Two points are said to be collinear, if they lie on the
16 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
17 / 50
The curve is always contained within the _______ of the control points
18 / 50
We can take transpose of any matrix.
19 / 50
The father of Computer Graphics is:
20 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
21 / 50
“Computer Graphics” and “Computer Vision” are ____________.
22 / 50
Boundary Filling Algorithm can work for complex polygons.
23 / 50
If the polygons are _________ line clipping techniques are sufficient for clipping.
24 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
25 / 50
DDA abbreviated for _________.
26 / 50
Save a line with both endpoints inside all clipping boundaries.
27 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
28 / 50
Vectors can be multiplied in a way
29 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
30 / 50
Finding unit vector is done by simply dividing each component by the width.
31 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
32 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
33 / 50
Which of the following is not true about matrices?
34 / 50
A scaling transformation alters the ______ of an object.
35 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
36 / 50
________is used to move a point, or a set of points, linearly in space
37 / 50
DDA abbreviated for ________.
38 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
39 / 50
25 * 10 resolution with 16 colors supports
40 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
41 / 50
In video text memory, ________ are used to display a character.
42 / 50
43 / 50
Various curve functions are useful in ______.
44 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
45 / 50
Bezier curve is tangent to the lines connecting ____.
46 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
47 / 50
Which one of the following is not the graphics library is use:
48 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
49 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
50 / 50
Shadow mask methods can display a __________ range of colours.
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