CS602-Midterm
1 / 50
Finding unit vector is done by simply dividing each component by the width.
2 / 50
Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.
3 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
4 / 50
In __________ algorithm(s), old color must be read before it is invoked.
5 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
6 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
7 / 50
A scaling transformation alters the ______ of an object.
8 / 50
Twice the radius of circle is called as ___________.
9 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
10 / 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.
11 / 50
Monochrome Adapter (MA) is a single color adapter
12 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
13 / 50
Three or more points that lie on the same line are called _____.
14 / 50
Normalized cross product of two vectors on that surface provides normal vector
15 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
16 / 50
A unit vector has zero magnitude.
17 / 50
Polygons consisting of ________ can cause problems when rendering.
18 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
19 / 50
The curve is always contained within the _______ of the control points
20 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
21 / 50
Shadow mask methods can display a __________ range of colours.
22 / 50
Computer Graphics are used in ____________.
23 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition _____.
24 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
25 / 50
It is safe to assume that all raster-type monitors can accept the same input
26 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
27 / 50
polygons are basically concave polygons that may have self-intersecting edges.
28 / 50
Discard a line with both endpoints outside clipping boundaries is called as
29 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
30 / 50
Rotation performed around a fixed point called ____________.
31 / 50
We can draw the circle using ___________.
32 / 50
____is the tendency of the text to flash as it moves up or down.
33 / 50
Rotating a point requires
34 / 50
35 / 50
Intensity of the electron beam is controlled by setting __________ levels on the control grid, a metal cylinder that fits over the cathode.
36 / 50
There are _______ basic types of polygon.
37 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
38 / 50
Tessellation can be adaptive to the ____________ degree of curvature of a surface.
39 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
40 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
41 / 50
Set up your tripod and pointing the camera at the scene
42 / 50
43 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
44 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
45 / 50
Perspective projection is specified with the function glFrustum().
46 / 50
DDA abbreviated for ________.
47 / 50
48 / 50
Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.
49 / 50
We can draw the circle using _________
50 / 50
Various curve functions are useful in ______.
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