CS602-Midterm
1 / 50
Process of moving points in space is called
2 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
3 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
4 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
5 / 50
There are _______ basic types of polygon.
6 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
7 / 50
A scaling transformation alters the ______ of an object.
8 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
9 / 50
25 * 10 resolution with 16 colors supports
10 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
11 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
12 / 50
Parity is a concept used to determine which ________ lie within a polygon.
13 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
14 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
15 / 50
Various curve functions are useful in ______.
16 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
17 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
18 / 50
In video text memory, ________ are used to display a character.
19 / 50
Bezier curve is tangent to the lines connecting ____.
20 / 50
Two matrices are said to be equal, if they have
21 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
22 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
23 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
24 / 50
Boundary Filling Algorithm can work for complex polygons.
25 / 50
Rotating a point requires
26 / 50
In __________ algorithm(s), old color must be read before it is invoked.
27 / 50
________ is the set of points that are equidistant from its origin.
28 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
29 / 50
We can take transpose of any matrix.
30 / 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.
31 / 50
Three or more points that lie on the same line are called _____.
32 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
33 / 50
Twice the radius of circle is called as ___________.
34 / 50
The curve is always contained within the _______ of the control points
35 / 50
“Computer Graphics” and “Computer Vision” are ____________.
36 / 50
Vectors can be multiplied in a way
37 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
38 / 50
39 / 50
UV light is used in Plasma Panel displays to excite phosphor.
40 / 50
41 / 50
Normalized cross product of two vectors on that surface provides normal vector
42 / 50
It is safe to assume that all raster-type monitors can accept the same input
43 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
44 / 50
We can draw the circle
45 / 50
Shadow mask methods can display a __________ range of colours.
46 / 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.
47 / 50
48 / 50
Translation moves objects without ____________.
49 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
50 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
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