CS602-Midterm
1 / 50
Various curve functions are useful in ______.
2 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
3 / 50
Save a line with both endpoints inside all clipping boundaries.
4 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
5 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
6 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
7 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
8 / 50
Computer Graphics are used in _______.
9 / 50
Each hyperbola consists of two __________ .
10 / 50
________is used to move a point, or a set of points, linearly in space
11 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
12 / 50
DDA abbreviated for ________.
13 / 50
By preserving the original shape of an object with a scaling is called _______ scaling.
14 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
15 / 50
A scaling transformation alters the ______ of an object.
16 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
17 / 50
Twice the radius of circle is called as ___________.
18 / 50
Rotating a point requires
19 / 50
__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.
20 / 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.
21 / 50
Vectors can be multiplied in a way
22 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
23 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
24 / 50
25 / 50
A * B = |A| * |B| * cos(?) where ? is the angle between the two vectors
26 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
27 / 50
28 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
29 / 50
Monochrome Adapter (MA) is a single color adapter
30 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
31 / 50
Two matrices are said to be equal, if they have
32 / 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.
33 / 50
Boundary Filling Algorithm can work for complex polygons.
34 / 50
A unit vector has zero magnitude.
35 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
36 / 50
________ is the set of points that are equidistant from its origin.
37 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
38 / 50
In __________ algorithm(s), old color must be read before it is invoked.
39 / 50
40 / 50
Discard a line with both endpoints outside clipping boundary is called as ____________
41 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
42 / 50
Bernstein polynomial functions are the basic functions of _____ curves.
43 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
44 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
45 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
46 / 50
Finding unit vector is done by simply dividing each component by the width.
47 / 50
In video text memory, ______ are used to display a character.
48 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
49 / 50
Perspective projection is specified with the function glFrustum().
50 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
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