CS602-Midterm
1 / 50
Discard a line with both endpoints outside clipping boundaries is called as
2 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
3 / 50
A fractal is generally a property called ___________.
4 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
5 / 50
It is safe to assume that all raster-type monitors can accept the same input
6 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
7 / 50
Global coordinate systems can be defined with respect to local coordinate system
8 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
9 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
10 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 1 represents condition_____.
11 / 50
the horizontal refresh ------------------------------
12 / 50
polygons are basically concave polygons that may have self-intersecting edges.
13 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
14 / 50
15 / 50
We can draw the circle
16 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
17 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
18 / 50
Which one is not valid out code to perform trivial accept / reject test in line clipping:
19 / 50
__________ is the process of describing an object or scene so that we can construct an image of it
20 / 50
Bezier curve is tangent to the lines connecting ____.
21 / 50
We can take transpose of any matrix.
22 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
23 / 50
A unit vector has zero magnitude.
24 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
25 / 50
Parity is a concept used to determine which ________ lie within a polygon.
26 / 50
We can draw the circle using _________
27 / 50
25 * 10 resolution with 16 colors supports
28 / 50
To show 256 colors , the no of bits required for each pixel are
29 / 50
Save a line with both endpoints inside all clipping boundaries.
30 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
31 / 50
Various curve functions are useful in ______.
32 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
33 / 50
The equation of hyperbola centered at origin (if the transverse axis is along x -axis) can be given as:
34 / 50
35 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
36 / 50
Two points are said to be collinear, if they lie on the
37 / 50
Twice the radius of circle is called as ___________.
38 / 50
Orthographic projections that show more than one side of an object are called __________ projections.
39 / 50
Two matrices are said to be equal, if they have
40 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 3 represents condition_____.
41 / 50
Tessellation can be adaptive to the ____________ degree of curvature of a surface.
42 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
43 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
44 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
45 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
46 / 50
DDA abbreviated for ________.
47 / 50
The curve is always contained within the _______ of the control points
48 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
49 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
50 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
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