CS602-Midterm
1 / 50
Process of moving points in space is called
2 / 50
A fractal is generally a property called ___________.
3 / 50
In ______ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.
4 / 50
Twice the radius of circle is called as ___________.
5 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
6 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
7 / 50
We can draw the circle using _________
8 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
9 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
10 / 50
We can take transpose of any matrix.
11 / 50
The curve is always contained within the _______ of the control points
12 / 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.
13 / 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.
14 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
15 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
16 / 50
In video text memory, ______ are used to display a character.
17 / 50
Two points are said to be collinear, if they lie on the
18 / 50
_________ direct view storage tube maintains the picture display.
19 / 50
20 / 50
Vectors can be multiplied in a way
21 / 50
________is used to move a point, or a set of points, linearly in space
22 / 50
Global coordinate systems can be defined with respect to local coordinate system
23 / 50
In video text memory, ________ are used to display a character.
24 / 50
Rotation performed around a fixed point called ____________.
25 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
26 / 50
the horizontal refresh ------------------------------
27 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
28 / 50
29 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
30 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
31 / 50
Computer Graphics are used in ____________.
32 / 50
Tessellation can be adaptive to the ____________ degree of curvature of a surface.
33 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
34 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
35 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
36 / 50
Polygons are basically concave polygons that may have self-intersecting edges
37 / 50
Boundary Filling Algorithm can work for complex polygons.
38 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
39 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
40 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
41 / 50
Three or more points that lie on the same line are called _____.
42 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
43 / 50
Polygons consisting of ________ can cause problems when rendering.
44 / 50
Each number that makes up a matrix is called an __________ of the matrix.
45 / 50
actual filling process in boundary filling algorithm begins when a point ____ of the figure is selected.
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
Orthographic projections that show more than one side of an object are called __________ projections.
48 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
49 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
50 / 50
We can draw eight points corresponding to each (x , y) point calculation in _________ drawing algorithm.
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