CS602-Midterm
1 / 50
Polygons are basically concave polygons that may have self-intersecting edges
2 / 50
A scaling transformation alters the ______ of an object.
3 / 50
Shadow mask methods can display a __________ range of colours.
4 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
5 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
6 / 50
Bezier curve is tangent to the lines connecting ____.
7 / 50
There are _______ basic types of polygon.
8 / 50
We can draw eight points corresponding to each (x , y) point calculation in _________ drawing algorithm.
9 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
10 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
11 / 50
Cross product of two vectors result in a ___________.
12 / 50
25 * 10 resolution with 16 colors supports
13 / 50
Finding unit vector is done by simply dividing each component by the width.
14 / 50
Normalized cross product of two vectors on that surface provides normal vector
15 / 50
We can take transpose of __________.
16 / 50
In __________ algorithm(s), old color must be read before it is invoked.
17 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
18 / 50
Two matrices are said to be equal, if they have
19 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
20 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
21 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
22 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
23 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
24 / 50
Set up your tripod and pointing the camera at the scene
25 / 50
There are _________ basic types of polygon.
26 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
27 / 50
Global coordinate systems can be defined with respect to local coordinate system
28 / 50
Computer Graphics are used in ____________.
29 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
30 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
31 / 50
Translation moves objects without ____________.
32 / 50
polygons are basically concave polygons that may have self-intersecting edges.
33 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
34 / 50
In video text memory, ________ are used to display a character.
35 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
36 / 50
37 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
38 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
39 / 50
Various curve functions are useful in ______.
40 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
41 / 50
42 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
43 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
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
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
46 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
47 / 50
The actual filling process in boundary filling algorithm begins when a point _________ of the figured is selected.
48 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
49 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
50 / 50
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