CS602-Midterm
1 / 50
Which one of the following is not the graphics library is use:
2 / 50
Polygons consisting of ________ can cause problems when rendering.
3 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
4 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
5 / 50
________ is the set of points that are equidistant from its origin.
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
Shadow mask methods can display a __________ range of colors.
8 / 50
Orthographic projections that show more than one side of an object are called __________ projections.
9 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
10 / 50
In video text memory, ______ are used to display a character.
11 / 50
12 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
13 / 50
To show 256 colors , the no of bits required for each pixel are
14 / 50
Various curve functions are useful in ______.
15 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
16 / 50
Twice the radius of circle is called as ___________.
17 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
18 / 50
Cross product of two vectors result in a ___________.
19 / 50
UV light is used in Plasma Panel displays to excite phosphor.
20 / 50
polygons are basically concave polygons that may have self-intersecting edges.
21 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
22 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
23 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
24 / 50
It is safe to assume that all raster-type monitors can accept the same input
25 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
26 / 50
“Computer Graphics” and “Computer Vision” are ____________.
27 / 50
In __________ algorithm(s), old color must be read before it is invoked.
28 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
29 / 50
The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)
30 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
31 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
32 / 50
_________ direct view storage tube maintains the picture display.
33 / 50
DDA abbreviated for ________.
34 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
35 / 50
36 / 50
37 / 50
Which of the following is not true about matrices?
38 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
39 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
40 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
41 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
42 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
43 / 50
There are _______ basic types of polygon.
44 / 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.
45 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
46 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
47 / 50
48 / 50
Boundary Filling Algorithm can work for complex polygons.
49 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
50 / 50
Translation moves objects without ____________.
Your score is
The average score is 54%
Restart quiz
