CS602-Midterm
1 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
2 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
3 / 50
Vectors can be multiplied in a way
4 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
5 / 50
Rotation performed around a fixed point called ____________.
6 / 50
_________ direct view storage tube maintains the picture display.
7 / 50
Discard a line with both endpoints outside clipping boundaries is called as
8 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
9 / 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.
10 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
11 / 50
Rotating a point requires
12 / 50
____is the tendency of the text to flash as it moves up or down.
13 / 50
Which of the following is not true about matrices?
14 / 50
In video text memory, ________ are used to display a character.
15 / 50
A scaling transformation alters the ______ of an object.
16 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
17 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
18 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
19 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
20 / 50
Three or more points that lie on the same line are called _____.
21 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
22 / 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.
23 / 50
Cross product of two vectors result in a ___________.
24 / 50
It is safe to assume that all raster-type monitors can accept the same input
25 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
26 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
27 / 50
28 / 50
29 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
30 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
31 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
32 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
33 / 50
Shadow mask methods can display a __________ range of colours.
34 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
35 / 50
Boundary Filling Algorithm can work for complex polygons.
36 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
37 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
38 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
39 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
40 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
41 / 50
42 / 50
In video text memory, ______ are used to display a character.
43 / 50
We can take transpose of any matrix.
44 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
45 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
46 / 50
47 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
48 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
49 / 50
In 2D transformation, ______ can be achieved by rotating the object about 110 degrees.
50 / 50
UV light is used in Plasma Panel displays to excite phosphor.
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