CS602-Midterm
1 / 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.
2 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
3 / 50
____is the tendency of the text to flash as it moves up or down.
4 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
5 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
6 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
7 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
8 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
9 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
10 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
11 / 50
Each number that makes up a matrix is called an __________ of the matrix.
12 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
13 / 50
25 * 10 resolution with 16 colors supports
14 / 50
If the polygons are _________ line clipping techniques are sufficient for clipping.
15 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
16 / 50
Bezier curve is tangent to the lines connecting ____.
17 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
18 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
19 / 50
Polygons are basically concave polygons that may have self-intersecting edges
20 / 50
Set up your tripod and pointing the camera at the scene
21 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
22 / 50
We can draw eight points corresponding to each (x , y) point calculation in _________ drawing algorithm.
23 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
24 / 50
“Computer Graphics” and “Computer Vision” are ____________.
25 / 50
Orthographic projections that show more than one side of an object are called __________ projections.
26 / 50
In video text memory, ______ are used to display a character.
27 / 50
Which of the following is not true about matrices?
28 / 50
Vectors can be multiplied in a way
29 / 50
30 / 50
Parity is a concept used to determine which ________ lie within a polygon.
31 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
32 / 50
To show 256 colors , the no of bits required for each pixel are
33 / 50
A scaling transformation alters the ______ of an object.
34 / 50
In __________ algorithm(s), old color must be read before it is invoked.
35 / 50
Process of moving points in space is called
36 / 50
We can take transpose of __________.
37 / 50
DDA abbreviated for ________.
38 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
39 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
40 / 50
Boundary Filling Algorithm can work for complex polygons.
41 / 50
Perspective projection is specified with the function glFrustum().
42 / 50
We can take transpose of any matrix.
43 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
44 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
45 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
46 / 50
Shadow mask methods can display a __________ range of colours.
47 / 50
Rotating a point requires
48 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
49 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
50 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
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